Updated on 2026/03/05

写真a

 
MANAKA TAKAAKI
 
Organization
School of Engineering Professor
Title
Professor
External link

News & Topics

Degree

  • Doctor of Engineering ( Tokyo Institute of Technology )

Research Interests

  • 電子物性一般

  • Electronic properties in general

Research Areas

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electric and electronic materials

Education

  • Tokyo Institute of Technology   Science of Engineering

    - 2000

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    Country: Japan

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  • Tokyo Institute of Technology   Graduate School, Division of Science and Engineering

    - 2000

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  • Tokyo Institute of Technology   School of Engineering   Dept. of Organic and Polymeric Materials

    - 1997

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    Country: Japan

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Research History

  • Tokyo Institute of Technology   Science of Engineering

    2000

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  • 日本学術振興会   特別研究員

    1997 - 1999

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Professional Memberships

Papers

  • Direct Visualization of Carrier Motion in DPP-TTT/C3N5 Blended Organic Thin-Film Transistors by Optical Second-Harmonic Generation

    Radhe Shyam, Takaaki Manaka, Rajiv Prakash

    ACS Applied Nano Materials   2025.5

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acsanm.4c06896

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  • In Situ Observation of Orientational Ordering in Polyimide Triboelectric Generators by Using Optical Second-Harmonic Generation Measurement

    Mahato Maeda, Dai Taguchi, Takaaki Manaka

    The Journal of Physical Chemistry Letters   2024.12

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    Authorship:Last author   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.jpclett.4c03044

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  • Study on the charge transport behaviour of mxene- polymer nanocomposite-based self-assembled floating films at the air-liquid interface

    Radhe Shyam, Shubham Sharma, Shyam S. Pandey, Takaaki Manaka, Rajiv Prakash

    Materials Today Electronics   2024.9

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.mtelec.2024.100112

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  • Anisotropic charge transport study of highly oriented P4T2F-HD thin film fabricated at air–liquid interface through second harmonic generation (SHG) analysis

    Radhe Shyam, Takaaki Manaka, Rajiv Prakash

    RSC Applied Interfaces   2024.8

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/D4LF00206G

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  • Fabrication of highly sensitive flexible phototransistors through a unidirectional floating film transfer method using P4T2F-HD thin films

    Radhe Shyam, Takaaki Manaka, Rajiv Prakash

    Journal of Materials Chemistry C   2024.8

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/D4TC02386B

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  • Electric power transmission in triboelectric generators activated through dipolar depolarization

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   2024.6

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/5.0216915

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  • Electrode process of mobile ions in generating space-charge polarization

    Atsushi Sawada, Takaaki Manaka

    Physical Review E   2024.3

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevE.109.034802

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  • Organic Nanomolecular Electronics: From Fundamental Aspects to Device Applications

    Shyam S. Pandey, Kazuhiro Marumoto, Takaaki Manaka

    physica status solidi (a)   2023.12

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/pssa.202300847

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  • Dipolar Energy as an Electrical Power Source: Dipole Rotation in Solids Enables a New Source for the Triboelectric Generator

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    physica status solidi (a)   220 ( 24 )   2023.6

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    Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Herein, the concept of triboelectric generators using dipolar polarization energy as an electrical power source is introduced. Dipolar polarization energy is stored in dielectric films by rubbing, and is conveyed to external circuits for use during the depolarization process. Pyromellitic dianhydride‐4,4’‐oxydianiline polyimide films are used as a possible candidate for triboelectric generators, where polarization is formed by rubbing owing to the orientational alignment of polar molecular groups. The current–voltage measurements are used to evaluate the equivalent‐circuit parameters of the generator. The current source is 0.07 nA at 30 °C, which is enhanced to 0.13 nA at 110 °C. It is indicated in these results that the depolarization process proceeds in a short time at higher temperatures, causing an increase in the current. Consequently, the maximum power increases from 18 nW (30 °C) to 33 nW (110 °C). The enhancement of the output power at higher temperatures well supports the idea of using dipolar polarization energy as a power source of triboelectric generators.

    DOI: 10.1002/pssa.202300138

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  • Activating Dipolar-Energy-Based Triboelectric Power Generation Using Pyromellitic Dianhydride-4,4'-Oxydianiline Polyimide at Elevated Temperature

    Dai TAGUCHI, Takaaki MANAKA, Mitsumasa IWAMOTO

    IEICE Transactions on Electronics   E106.C ( 6 )   202 - 207   2023.6

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    Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics, Information and Communications Engineers (IEICE)  

    DOI: 10.1587/transele.2022omp0003

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  • Dipolar polarization as an energy source of tribo-electric power generator

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Applied Physics Letters   119 ( 5 )   2021.8

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Institute of Physics Inc.  

    DOI: 10.1063/5.0058597

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  • Visualizing positive and negative charges of triboelectricity generated on polyimide film

    Dai TAGUCHI, Takaaki MANAKA, Mitsumasa IWAMOTO

    IEICE Transactions on Electronics   E104C ( 6 )   170 - 175   2021.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics Information Communication Engineers  

    DOI: 10.1587/transele.2020OMP0001

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  • Effect of 1,8-Diiodooctance additive on the charge carriers behavior in the PCPDTBT:PC71BM BHJ films investigated by using electric-field-induced optical second-harmonic generation measurement

    Ibrahim M. Alrougy, Dai Taguchi, Takaaki Manaka

    Journal of Materials Science: Materials in Electronics   32 ( 3 )   2845 - 2852   2021.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer  

    DOI: 10.1007/s10854-020-05037-4

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  • Visualization of Carrier Transport in Luminescent Polymer Thin Film by Using Transient Photoluminescence Decay Imaging

    Takaaki Manaka, Dai Taguchi, Tai-Chin Chiang

    physica status solidi (a)   217 ( 12 )   1901031 - 1901031   2020.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    DOI: 10.1002/pssa.201901031

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  • Transient carrier visualization of organic-inorganic hybrid perovskite thin films by using time-resolved microscopic second-harmonic generation (TRM-SHG)

    Lei Lei Yin Win, Dai Taguchi, Takaaki Manaka

    Organic Electronics   75   2019.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier B.V.  

    DOI: 10.1016/j.orgel.2019.105416

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  • Study of I-V Hysteresis of Tin Perovskite Solar Cells Using Capacitance-Voltage Measurement Coupled with Charge Modulation Spectroscopy

    Taishi Noma, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Molecular Crystals and Liquid Crystals   686 ( 1 )   92 - 98   2019.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Taylor and Francis Inc.  

    DOI: 10.1080/15421406.2019.1648042

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  • Imaging of triboelectric charge distribution induced in polyimide film by using optical second-harmonic generation: Electronic charge distribution and dipole alignment

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Applied Physics Letters   114 ( 23 )   2019.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Institute of Physics Inc.  

    DOI: 10.1063/1.5094171

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  • Investigation of 1,8-Diiodooctane (DIO) Additive Effect on Carrier Transport in Bulk Heterojunction Organic Solar Cell by EFISHG

    Ibrahim M. Alrougy, Dai Taguchi, Takaaki Manaka

    2019 Compound Semiconductor Week, CSW 2019 - Proceedings   2019.5

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Institute of Electrical and Electronics Engineers Inc.  

    DOI: 10.1109/ICIPRM.2019.8819268

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  • Visualization of Carrier Transport in Organic-Inorganic Perovskite Field-Effect Transistor by Electric-Field-Induced Optical Second-Harmonic Generation (EFISHG)

    Lei Lei Yin Win, Dai Taguchi, Takaaki Manaka

    2019 Compound Semiconductor Week, CSW 2019 - Proceedings   2019.5

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Institute of Electrical and Electronics Engineers Inc.  

    DOI: 10.1109/ICIPRM.2019.8819257

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  • Analysis of hysteresis behavior of tin perovskite solar cells using electric-field-induced optical second-harmonic generation measurement

    Taishi Noma, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    2019 Electron Devices Technology and Manufacturing Conference, EDTM 2019   231 - 233   2019.3

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Institute of Electrical and Electronics Engineers Inc.  

    DOI: 10.1109/EDTM.2019.8731043

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  • p- and n-Channel Photothermoelectric Conversion Based on Ultralong Near-Infrared Wavelengths Absorbing Polymers Reviewed

    Tsukasa Hasegawa, Minoru Ashizawa, Yoshihiro Hayashi, Susumu Kawauchi, Hiroyasu Masunaga, Takaaki Hikima, Takaaki Manaka, Hidetoshi Matsumoto

    ACS APPLIED POLYMER MATERIALS   1 ( 3 )   542 - 551   2019.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acsapm.8b00234

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  • Probing internal electric field in organic photoconductors by using electric-field-induced optical second-harmonic generation

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Kazuko Sakuma, Kaname Watariguchi, Masataka Kawahara

    IEICE Transactions on Electronics   E102C ( 2 )   113 - 118   2019.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics, Information and Communication, Engineers, IEICE  

    DOI: 10.1587/transele.2018OMP0002

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  • Spectroscopic study of electric field induced optical second harmonic generation from PCPDTBT and PC 71 BM thin films

    Ibrahim M. Alrougy, Dai Taguchi, Takaaki Manaka

    IEICE Transactions on Electronics   E102C ( 2 )   119 - 124   2019.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics, Information and Communication, Engineers, IEICE  

    DOI: 10.1587/transele.2018OMP0007

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  • Direct observation of carrier transport in organic-inorganic hybrid perovskite thin film by transient photoluminescence imaging measurement

    Lei Lei Yin Win, Dai Taguchi, Takaaki Manaka

    Japanese Journal of Applied Physics   58   2019

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Physics Publishing  

    DOI: 10.7567/1347-4065/ab027c

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  • Modeling and analysis of I-V hysteresis behaviors caused by defects in tin perovskite thin films

    Taishi Noma, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   124 ( 17 )   2018.11

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    DOI: 10.1063/1.5050557

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  • A Novel Microscopic Analyzing System for Characterizing Organic Light-Emitting Diodes Using EFISHG and LBIC Measurements Reviewed

    Atsuo Sadakata, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    ELECTRONICS AND COMMUNICATIONS IN JAPAN   100 ( 12 )   76 - 83   2017.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/ecj.12017

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  • Direct visualization of polarization reversal of organic ferroelectric memory transistor by using charge modulated reflectance imaging Reviewed

    Takako Otsuka, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   122 ( 18 )   2017.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/1.5004002

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  • Study of carrier-mobility of organic thin film by dark-injection time-of-flight and electric-field-induced optical second-harmonic generation measurements Reviewed

    Xin Li, Masashi Sunaga, Dai Taguchi, Takaaki Manaka, Hong Lin, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   677   50 - 54   2017.6

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    DOI: 10.1016/j.cplett.2017.03.072

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  • Determination of carrier mobility of semiconductor layer in organic metal-insulator-semiconductor diodes by displacement current and electric-field-induced optical second-harmonic generation measurements Reviewed

    Taishi Noma, Dai Taguchi, Takaaki Manaka, Hong Lin, Mitsumasa Iwamoto

    ORGANIC ELECTRONICS   43   70 - 76   2017.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.orgel.2017.01.004

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  • Mobility Control of TIPS-Pentacene Thin Films Prepared by Blade-Coating Method Reviewed

    Ryo Yamamichi, Takaaki Manaka, Dai Taguchi, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E100C ( 2 )   130 - 132   2017.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1587/transele.E100.C.130

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  • Direct observation of trapped charges under field-plate in p-GaN gate AlGaN/GaN high electron mobility transistors by electric field-induced optical second-harmonic generation Reviewed

    Takashi Katsuno, Takaaki Manaka, Narumasa Soejima, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   110 ( 9 )   2017.2

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    DOI: 10.1063/1.4977084

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  • Study of carrier energetics in ITO/P(VDF-TrFE)/pentacene/Au diode by using electric-field-induced optical second harmonic generation measurement and charge modulation spectroscopy Reviewed

    Takako Otsuka, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   121 ( 6 )   2017.2

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    DOI: 10.1063/1.4975484

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  • Direct evaluation of anisotropic carrier mobility in uniaxially aligned polymer semiconductor film by time-resolved microscopic optical second-harmonic generation measurement Reviewed

    Kentaro Abe, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF PHYSICS D-APPLIED PHYSICS   50 ( 1 )   2017.1

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    DOI: 10.1088/1361-6463/50/1/015103

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  • A novel microscopic analyzing system for characterizing organic light-emitting diodes using EFISHG and LBIC measurements Reviewed

    Atsuo Sadakata, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    IEEJ Transactions on Fundamentals and Materials   137 ( 2 )   128 - 134   2017

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electrical Engineers of Japan  

    DOI: 10.1541/ieejfms.137.128

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  • Enhancement of the carrier mobility of conducting polymers by formation of their graphene composites Reviewed

    A. K. Chauhan, S. K. Gupta, D. Taguchi, T. Manaka, P. Jha, P. Veerender, C. Sridevi, S. P. Koiry, S. C. Gadkari, M. Iwamoto

    RSC ADVANCES   7 ( 20 )   11913 - 11920   2017

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    DOI: 10.1039/c6ra26195g

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  • Three-dimensional current collapse imaging of AlGaN/GaN high electron mobility transistors by electric field-induced optical second-harmonic generation Reviewed

    Takashi Katsuno, Takaaki Manaka, Tsuyoshi Ishikawa, Narumasa Soejima, Tsutomu Uesugi, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   109 ( 19 )   2016.11

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    DOI: 10.1063/1.4967221

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  • Interfacial charge trapping in the polymer solar cells and its elimination by solvent annealing Reviewed

    A. K. Chauhan, Abhay Gusain, P. Jha, P. Veerender, S. P. Koiry, C. Sridevi, D. K. Aswal, S. K. Gupta, D. Taguchi, T. Manaka, M. Iwamoto

    AIP ADVANCES   6 ( 9 )   2016.9

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    DOI: 10.1063/1.4963014

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  • Preparation of Chiral Polydiacetylene Films by Using Three-Photon Polymerization Reviewed

    Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   16 ( 4 )   3394 - 3397   2016.4

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    DOI: 10.1166/jnn.2016.12276

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  • Influence of Pentacene Interface Layer in ITO/alpha-NPD/Alq(3)/Al Organic Light Emitting Diodes by Time-Resolved Electric-Field-Induced Optical Second-Harmonic Generation Measurement Reviewed

    Yoshiaki Oda, Atsuo Sadakata, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   16 ( 4 )   3188 - 3193   2016.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1166/jnn.2016.12290

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  • Evaluation of Thermal Stability of Organic Electro-Optic Device by Using Thermally Stimulated Current Reviewed

    Ryoma Ikemoto, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Toshiki Yamada, Akira Otomo

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   16 ( 4 )   3378 - 3382   2016.4

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    DOI: 10.1166/jnn.2016.12282

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  • Study of Electrical Conduction Mechanism of Organic Double-Layer Diode Using Electric Field Induced Optical Second Harmonic Generation Measurement Reviewed

    Shohei Nishi, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   16 ( 4 )   3364 - 3367   2016.4

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    DOI: 10.1166/jnn.2016.12305

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  • Observation of turnover of spontaneous polarization in ferroelectric layer of pentacene/poly-(vinylidene-trifluoroethylene) double-layer capacitor under photo illumination by optical second-harmonic generation measurement Reviewed

    Zhemin Shi, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   119 ( 16 )   2016.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/1.4947584

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  • Carrier Transport Mechanism in Single Crystalline Organic Semiconductor Thin Film Elucidated by Visualized Carrier Motion Reviewed

    Kohei Matsubara, Kentaro Abe, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   16 ( 4 )   3388 - 3393   2016.4

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    DOI: 10.1166/jnn.2016.12321

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  • Analysis of interfacial energy states in Au/pentacene/polyimide/indium-zinc-oxide diodes by electroluminescence spectroscopy and electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 3 )   2016.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/JJAP.55.03DC04

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  • Organic double layer element driven by triboelectric nanogenerator: Study of carrier behavior by non-contact optical method Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   646   64 - 68   2016.2

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    DOI: 10.1016/j.cplett.2016.01.002

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  • A novel electric field induced optical second harmonic generation technique for visualizing carrier-dynamics in organic electronics materials Reviewed

    Mitsumasa Iwamoto, Takaaki Manaka, Dai Taguchi

    IEEJ Transactions on Fundamentals and Materials   136 ( 11 )   678 - 684   2016

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electrical Engineers of Japan  

    DOI: 10.1541/ieejfms.136.678

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  • Direct probing of contact electrification by using optical second harmonic generation technique Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Zhong Lin Wang

    SCIENTIFIC REPORTS   5   2015.8

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    DOI: 10.1038/srep13019

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  • Analysis of current-voltage characteristics of Au/pentacene/fluorine polymer/indium zinc oxide diodes by electric-field-induced optical second-harmonic generation Reviewed

    Shohei Nishi, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   117 ( 24 )   2015.6

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    DOI: 10.1063/1.4923058

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  • Band-like transport observed in TIPS-pentacene thin film by time-resolved microscopic optical second-harmonic generation imaging Reviewed

    Kohei Matsubara, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS EXPRESS   8 ( 4 )   2015.4

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    DOI: 10.7567/APEX.8.041601

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  • Charge injection and accumulation in organic light-emitting diode with PEDOT:PSS anode Reviewed

    Martin Weis, Takako Otsuka, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   117 ( 15 )   2015.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/1.4918556

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  • Analysis of Carrier Behaviors in Double-layer Organic Devices by Displacement Current Measurement and Electric-field-induced Optical Second-harmonic Generation Measurement Reviewed

    Taishi Noma, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E98C ( 2 )   86 - 90   2015.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1587/transele.E98.C.86

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  • Investigation of carrier transit motion in PCDTBT by optical SHG technique Reviewed

    Zubair Ahmad, Shahino Mah Abdullah, Dai Taguchi, Khaulah Sulaiman, Takaaki Manaka, Mitsumasa Iwamoto

    LASER PHYSICS   24 ( 10 )   2014.10

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    DOI: 10.1088/1054-660X/24/10/105701

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  • Thiol Modified Chitosan Self-Assembled Monolayer Platform for Nucleic Acid Biosensor Reviewed

    Maumita Das Mukherjee, Pratima R. Solanki, Gajjala Sumana, Takaaki Manaka, Mitsumasa Iwamoto, Bansi D. Malhotra

    APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY   174 ( 3 )   1201 - 1213   2014.10

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    DOI: 10.1007/s12010-014-1177-7

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  • Study of multiple photovoltaic processes in stacked organic active layers Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    ORGANIC ELECTRONICS   15 ( 9 )   2014 - 2020   2014.9

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    DOI: 10.1016/j.orgel.2014.05.034

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  • Current collapse imaging of Schottky gate AlGaN/GaN high electron mobility transistors by electric field-induced optical second-harmonic generation measurement Reviewed

    Takashi Katsuno, Takaaki Manaka, Tsuyoshi Ishikawa, Hiroyuki Ueda, Tsutomu Uesugi, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   104 ( 25 )   2014.6

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    DOI: 10.1063/1.4885838

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  • Detection of pre-electrical breakdown of IZO/alpha-NPD/Alq3/Al light-emitting diodes by electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Ryo Nakamoto, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 4 )   2014.4

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    DOI: 10.7567/JJAP.53.04EK02

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  • Study of interface layer effect in organic solar cells by electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Ryota Sumiyoshi, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   51 - 53   2014.3

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  • Visualizing polarization structure of lipid Langmuir monolayer by surface second-harmonic generation technique Reviewed

    Yohei Matsuoka, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   8 - 12   2014.3

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    DOI: 10.1016/j.tsf.2013.04.099

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  • Interfacial charging of copper phthalocyanine/C-60 double-layer organic solar cells induced by photoillumination: Effect of photoconductivity change Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   158 - 161   2014.3

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    DOI: 10.1016/j.tsf.2013.04.094

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  • Probing space charge effect on electroluminescence of indium tin oxide (ITO)/N,N '-di-[(1-naphthyl)-N,N '-diphenyl]-(1,1 '-biphenyl)-4,4 '-diamine (alpha-NPD)/tris(8-hydroxy-quinolinato) aluminum (III) (Alq(3))/Al diodes by time-resolved electric-field-induced optical second-harmonic generation measurement Reviewed

    Atsuo Sadakata, Kenshiro Osada, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   110 - 113   2014.3

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    DOI: 10.1016/j.tsf.2013.08.015

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  • Direct visualization and modeling of carrier distribution in organic light emitting transistor Reviewed

    Yasuhiro Mashiko, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Martin Weis

    THIN SOLID FILMS   554   162 - 165   2014.3

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    DOI: 10.1016/j.tsf.2013.05.061

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  • Study of carrier transport in flexible organic field-effect transistors: Analysis of bending effect and microscopic observation using electric-field-induced optical second-harmonic generation Reviewed

    Yohei Abe, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   166 - 169   2014.3

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    DOI: 10.1016/j.tsf.2013.05.160

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  • Metal nanoparticles in organic field-effect transistor: Transition from charge trapping to conduction mechanism Reviewed

    Keanchuan Lee, Martin Weis, Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   554   189 - 193   2014.3

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    DOI: 10.1016/j.tsf.2013.10.013

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  • Study of effect of inserted pentacene layer in ITO/P(VDF-TrFE)/alpha-NPD/Au capacitor using electric-field-induced optical second-harmonic generation and displacement current Reviewed

    Xiaojin Cui, Dai Taguchi, Takaaki Manaka, Wei Pan, Mitsumasa Iwamoto

    ORGANIC ELECTRONICS   15 ( 2 )   537 - 542   2014.2

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    DOI: 10.1016/j.orgel.2013.12.008

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  • Analysis of carrier behavior in alpha-NPD/P(VDF-TrFE) double-layer capacitor by using electric-field-induced optical second-harmonic generation Reviewed

    Xiaojin Cui, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 2 )   2014.2

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    DOI: 10.7567/JJAP.53.02BB05

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  • Study of carrier blocking property of poly-linalyl acetate thin layer by electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Liam J. Anderson, Mohan V. Jacob

    CHEMICAL PHYSICS LETTERS   593   69 - 71   2014.2

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    DOI: 10.1016/j.cplett.2013.12.070

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  • Selective observation of photo-induced electric fields inside different material components in bulk-heterojunction organic solar cell Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   104 ( 1 )   2014.1

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    DOI: 10.1063/1.4861620

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  • Interfacial charging originated from the conductivity decrease of C-60 layer in IZO/pentacene/C-60/Al organic double-layer solar cells Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    ORGANIC ELECTRONICS   15 ( 1 )   162 - 168   2014.1

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    DOI: 10.1016/j.orgel.2013.11.005

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  • Evaluation of thermal stability of electro-optic polymer by thermally stimulated depolarization current measurement Reviewed

    Xuepeng Mo, Kazuhiko Kinemura, Toshiki Yamada, Akira Otomo, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 1 )   2014.1

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  • Modified transmission-line method for evaluation of the contact resistance: Effect of channel-length-dependent threshold voltage Reviewed

    Martin Weis, Keanchuan Lee, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 1 )   2014.1

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    DOI: 10.7567/JJAP.53.011601

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  • Impact of the interfacial traps on the charge accumulation in organic transistors Reviewed

    Keanchuan Lee, Martin Weis, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF EXPERIMENTAL NANOSCIENCE   9 ( 10 )   994 - 1002   2014

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    DOI: 10.1080/17458080.2012.762810

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  • Probing and Modelling of Carrier Transport in Organic Devices by Optical Second Harmonic Generation Reviewed

    M. Iwamoto, T. Manaka, D. Taguchi

    2014 10TH INTERNATIONAL CONFERENCE ON ADVANCED SEMICONDUCTOR DEVICES & MICROSYSTEMS (ASDAM)   25 - 28   2014

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  • Analysis of carrier behavior in C60/P(VDF-TrFE) double-layer capacitor by using electric-field-induced optical second-harmonic generation measurement Reviewed

    Xiaojin Cui, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   114 ( 23 )   2013.12

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    DOI: 10.1063/1.4853035

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  • Direct Observation of Anisotropic Carrier Transport in Organic Semiconductor by Time-Resolved Microscopic Optical Second-Harmonic Imaging Reviewed

    Takaaki Manaka, Kohei Matsubara, Kentaro Abe, Mitsumasa Iwamoto

    APPLIED PHYSICS EXPRESS   6 ( 10 )   2013.10

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    DOI: 10.7567/APEX.6.101601

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  • Voltage-induced chromatic phase transition in ferrocene substituted polydiacetylene thin films Reviewed

    Gang Zou, Wenlong Hu, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Chemical Communications   49 ( 73 )   8105 - 8107   2013.9

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    DOI: 10.1039/c3cc44467h

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  • Direct Probing of Internal Electric-fields in Fullerene Diodes Using Electric-field-induced Second-harmonic Generation Measurement Reviewed

    Dai Taguchi, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   578 ( 1 )   50 - 54   2013.9

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    DOI: 10.1080/15421406.2013.803911

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  • Coupling between transport and injection properties of pentacene field-effect transistors with different morphologies Reviewed

    Keanchuan Lee, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   52 ( 8 )   2013.8

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    DOI: 10.7567/JJAP.52.080203

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  • Master equation model for Gaussian disordered organic field-effect transistors Reviewed

    Fei Liu, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   114 ( 7 )   2013.8

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    DOI: 10.1063/1.4818497

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  • Dependence of the Carrier Transport Characteristics on the Buried Layer Thickness in Ambipolar Double-Layer Organic Field-Effect Transistors Investigated by Electrical and Optical Measurements Reviewed

    Le Zhang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   52 ( 5 )   2013.5

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  • Analyzing hysteresis behavior of capacitance-voltage characteristics of IZO/C-60/pentacene/Au diodes with a hole-transport electron-blocking polyterpenol layer by electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Kateryna Bazaka, Mohan V. Jacob

    CHEMICAL PHYSICS LETTERS   572   150 - 153   2013.5

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  • Study of Hole-Injection Assisted Layer in Double-Layer Organic Light-Emitting Diodes by Electric-Field-Induced Optical Second-Harmonic Generation Measurement Reviewed

    Atsuo Sadakata, Yoshiaki Oda, Dai Taguchi, Masahiro Fukuzawa, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   52 ( 5 )   2013.5

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    DOI: 10.7567/JJAP.52.05DC03

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  • A Novel Microscope for Visualizing Electric Fields in Organic Thin Film Devices Using Electric-Field-Induced Second-Harmonic Generation Reviewed

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto, Tetushu Karasuda, Mikio Kyomasu

    JAPANESE JOURNAL OF APPLIED PHYSICS   52 ( 4 )   2013.4

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    DOI: 10.7567/JJAP.52.04CK04

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  • Impact of Illumination on Charge Injection and Accumulation in Organic Transistor in Presence of Plasmonic Nanoparticles Reviewed

    Keanchuan Lee, Martin Weis, Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   52 ( 4 )   2013.4

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    DOI: 10.7567/JJAP.52.04CK08

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  • Analysis of interfacial charging process in pentacene/C60/ bathocuproine triple-layer organic solar cells using a Maxwell-wagner model Reviewed

    Xiangyu Chen, Dai Taguchi, Keanchuan Lee, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   52 ( 4 )   2013.4

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    DOI: 10.7567/JJAP.52.04CR05

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  • Investigation of Interfacial Charging Process of Pentacene/C-60/BCP Triple-Layer Organic Solar Cells Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E96C ( 3 )   358 - 361   2013.3

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    DOI: 10.1587/transele.E96.C.358

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  • Study of blocking effect of Cu-phthalocyanine layer in zinc oxide/pentacene/CuPc/C-60/Al organic solar cells by electric field-induced optical second harmonic generation measurement Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    ORGANIC ELECTRONICS   14 ( 1 )   320 - 325   2013.1

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    DOI: 10.1016/j.orgel.2012.11.014

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  • Anisotropic carrier transport in organic semiconductors studied by time-resolved optical second-harmonic generation

    Takaaki Manaka, Mitsumasa Iwamoto

    Proceedings of the 20th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2013   231 - 234   2013

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  • Probing a two-step channel formation process in injection-type pentacene field-effect transistors by time-resolved electric-field-induced optical second-harmonic generation measurement Reviewed

    Dai Taguchi, Hiroshi Masada, Takaaki Manaka, Mitsumasa Iwamoto, Takao Nishiura, Tetsuya Iizuka, Toshifumi Takemori

    ORGANIC ELECTRONICS   13 ( 12 )   2801 - 2806   2012.12

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  • The Maxwell-Wagner model for charge transport in ambipolar organic field-effect transistors: The role of zero-potential position Reviewed

    Yasuhiro Mashiko, Dai Taguchi, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   101 ( 24 )   2012.12

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    DOI: 10.1063/1.4771989

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  • Electrochemical methods coupled with impedance measurement for energy gap study: correlation between the energy states and charge transport properties Reviewed

    Martin Weis, Keanchuan Lee, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    SYNTHETIC METALS   162 ( 24 )   2236 - 2241   2012.12

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    DOI: 10.1016/j.synthmet.2012.11.002

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  • Memory effect in organic transistor: Controllable shifts in threshold voltage Reviewed

    Keanchuan Lee, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   551   105 - 110   2012.11

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    DOI: 10.1016/j.cplett.2012.09.022

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  • Probing interfacial charge accumulation in ITO/alpha-NPD/Alq(3)/Al diodes under two electroluminescence operational modes by electric-field induced optical second-harmonic generation Reviewed

    Atsuo Sadakata, Kenshiro Osada, Dai Taguchi, Tetsuya Yamamoto, Masahiro Fukuzawa, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   112 ( 8 )   2012.10

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    DOI: 10.1063/1.4762014

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  • Contact Resistance as an Origin of the Channel-Length-Dependent Threshold Voltage in Organic Field-Effect Transistors Reviewed

    Martin Weis, Keanchuan Lee, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 10 )   2012.10

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    DOI: 10.1143/JJAP.51.100205

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  • Optical Second-Harmonic Generation in Hydrogenated Amorphous Silicon Single- and Double-Junction Solar Cells Reviewed

    Wei Ou-Yang, Takaaki Manaka, Seiichi Naitou, Kyoji Kunitomo, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 7 )   2012.7

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    DOI: 10.1143/JJAP.51.070209

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  • Analyzing photo-induced interfacial charging in IZO/pentacene/C-60/bathocuproine/Al organic solar cells by electric-field-induced optical second-harmonic generation measurement Reviewed

    Xiangyu Chen, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   111 ( 11 )   2012.6

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    DOI: 10.1063/1.4728225

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  • Multiple-trapping in pentacene field-effect transistors with a nanoparticles self-assembled monolayer Reviewed

    Keanchuan Lee, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    AIP ADVANCES   2 ( 2 )   2012.6

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    DOI: 10.1063/1.4720399

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  • Conservation of the injection and transit time ratio in organic field-effect transistors: A thermally accelerated aging study Reviewed

    Keanchuan Lee, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   111 ( 10 )   2012.5

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    DOI: 10.1063/1.4719970

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  • Analyzing Photo Induced Internal Electric Field in Pentacene/C-60 Double-Layer Organic Solar Cells under Various External Voltages by Electric-Field-Induced Optical Second Harmonic Generation Measurement Reviewed

    Xiangyu Chen, Dai Taguchi, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 4 )   2012.4

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    DOI: 10.1143/JJAP.51.041605

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  • Electron-blocking hole-transport polyterpenol thin films Reviewed

    Mohan V. Jacob, Kateryna Bazaka, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   528   26 - 28   2012.3

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    DOI: 10.1016/j.cplett.2012.01.031

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  • Direct probing of selective electron and hole accumulation processes along the channel of an ambipolar double-layer field-effect transistor by optical modulation spectroscopy Reviewed

    Le Zhang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   100 ( 10 )   2012.3

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    DOI: 10.1063/1.3692581

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  • Mechanical strains modulate the carrier behaviors of organic field effect transistors Reviewed

    Tetsuya Yamamoto, Youhei Abe, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   111 ( 5 )   2012.3

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    DOI: 10.1063/1.3689761

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  • Analysis of Carrier Behaviors in Organic Field Effect Transistors

    IWAMOTO Mitsumasa, MANAKA Takaaki

    J. Surf. Sci. Soc. Jpn.   33 ( 2 )   75 - 80   2012.2

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    Carrier behaviors in organic field effect transistors (OFETs) have been analyzed based on dielectric physics. Maxwell-Wagner model analysis accounts for carrier accumulation and transport in OFETs, and electric field-induced optical second harmonic generation method (EFISHG) visualizes dynamic carrier motion by probing electric field generated from carriers injected from electrode. Impedance spectroscopy (IS) and charge modulation spectroscopy (CMS) are also available for probing carriers in OFETs, and effective for modeling carrier behaviors in OFETs.

    DOI: 10.1380/jsssj.33.75

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  • Two-Step Polarization Reversal Process in Pentacene/Poly(vinylidene fluoride-trifluoroethylene) Double-Layer Capacitor: Reduced Coercive Field Reviewed

    Jun Li, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 2 )   2012.2

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  • Channel Formation as an Interface Charging Process in a Pentacene Field Effect Transistor Investigated by Time-Resolved Second Harmonic Generation and Impedance Spectroscopy Reviewed

    Le Zhang, Dai Taguchi, Hiroshi Masada, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 2 )   2012.2

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    DOI: 10.1143/JJAP.51.02BK08

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  • Analysis of Anomalous Discharging Processes in Pentacene/C-60 Double-Layer Organic Solar Cell Reviewed

    Xiangyu Chen, Dai Taguchi, Keanchuan Lee, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 2 )   2012.2

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    DOI: 10.1143/JJAP.51.02BK01

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  • Effect of an Upward and Downward Interface Dipole Langmuir-Blodgett Monolayer on Pentacene Organic Field-Effect Transistors: A Comparison Study Reviewed

    Wei Ou-Yang, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 2 )   2012.2

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    DOI: 10.1143/JJAP.51.024102

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  • Analyzing a two-step polarization process in a pentacene/poly(vinylidene fluoride - trifluoroethylene) double-layer device using Maxwell-Wagner model Reviewed

    Jun Li, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   111 ( 2 )   2012.1

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    DOI: 10.1063/1.3677943

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  • Electroluminescence Generated from ITO/alpha-NPD/Alq(3)/Al Diodes by Applying AC Square Voltage Reviewed

    Atsuo Sadakata, Tetsuya Yamamoto, Dai Taguchi, Takaaki Manaka, Masahiro Fukuzawa, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   567   187 - 192   2012

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    DOI: 10.1080/15421406.2012.703806

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  • Analyzing two electroluminescence modes of ITO/α-NPD/Alq3/Al devices by using A.C. square voltages Reviewed

    Atsuo Sadakata, Dai Taguchi, Tetsuya Yamamoto, Kenshiro Osada, Masahiro Fukuzawa, Takaaki Manaka, Mitsumasa Iwamoto

    IEEJ Transactions on Electronics, Information and Systems   132 ( 9 )   4 - 1412   2012

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    DOI: 10.1541/ieejeiss.132.1408

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  • Analyzing open-voltage of double-layer organic solar cells using optical electric-field-induced second-harmonic generation Reviewed

    Dai Taguchi, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    Materials Research Society Symposium Proceedings   1390   83 - 88   2012

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    DOI: 10.1557/opl.2012.689

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  • Vertical orientation with a narrow distribution of helical peptides immobilized on a quartz substrate by stereocomplex formation Reviewed

    Hidenori Nakayama, Takaaki Manaka, Mitsumasa Iwamoto, Shunsaku Kimura

    SOFT MATTER   8 ( 12 )   2012

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    DOI: 10.1039/c2sm07070g

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  • Effect of Photogenerated Carriers on Ferroelectric Polarization Reversal Reviewed

    Martin Weis, Jun Li, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS EXPRESS   4 ( 12 )   2011.12

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    DOI: 10.1143/APEX.4.121601

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  • Analyzing photovoltaic effect of double-layer organic solar cells as a Maxwell-Wagner effect system by optical electric-field-induced second-harmonic generation measurement Reviewed

    Dai Taguchi, Tatsunori Shino, Xiangyu Chen, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   110 ( 10 )   2011.11

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    DOI: 10.1063/1.3662914

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  • Analyzing two electroluminescence modes of indium tin oxide/alpha-NPD/Alq(3)/Al diodes by using large alternating current square voltages Reviewed

    Atsuo Sadakata, Dai Taguchi, Tetsuya Yamamoto, Masahiro Fukuzawa, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   110 ( 10 )   2011.11

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    DOI: 10.1063/1.3662149

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  • Probing electric field in double-layer electroluminescence diode by optical second harmonic generation Reviewed

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   516 ( 4-6 )   254 - 256   2011.11

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  • Analysis of interface carrier accumulation and relaxation in pentacene/C-60 double-layer organic solar cell by impedance spectroscopy and electric-field-induced optical second harmonic generation Reviewed

    Xiangyu Chen, Dai Taguchi, Tatsunori Shino, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   110 ( 7 )   2011.10

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    DOI: 10.1063/1.3642964

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  • Interaction of interfacial charge and ferroelectric polarization in a pentacene/poly(vinylidene fluoride-trifluoroethylene) double-layer device Reviewed

    Jun Li, Dai Taguchi, Wei OuYang, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   99 ( 6 )   2011.8

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    DOI: 10.1063/1.3624477

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  • Bulk-trap modulated Maxwell-Wagner type interfacial carrier relaxation process in a fullerene/polyimide double-layer device investigated by time-resolved second harmonic generation Reviewed

    Le Zhang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   110 ( 3 )   2011.8

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    DOI: 10.1063/1.3610952

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  • Analyzing interfacial carrier charging in pentacene/C-60 double-layer organic solar cells by optical electric field induced second-harmonic generation measurement Reviewed

    Xiangyu Chen, Dai Taguchi, Keanchuan Lee, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   511 ( 4-6 )   491 - 495   2011.8

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    DOI: 10.1016/j.cplett.2011.06.082

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  • Direct probing of the selective electron and hole accumulation at organic/organic interfaces in a triple-layer organic device by time-resolved optical second harmonic generation Reviewed

    Le Zhang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   99 ( 8 )   2011.8

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    DOI: 10.1063/1.3626851

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  • Observation of electron behavior in ambipolar polymer-based light-emitting transistor by optical second harmonic generation Reviewed

    Yuki Ohshima, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto, Henning Sirringhaus

    JOURNAL OF APPLIED PHYSICS   110 ( 1 )   2011.7

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    DOI: 10.1063/1.3606423

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  • Observation of Continuous and Quantized Domain Size and Shape Evolution in Monolayers at Air-Water Interface Reviewed

    Martin Weis, Wei Ou-Yang, Tetsuya Yamamoto, Yohei Matsuoka, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 5 )   2011.5

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    DOI: 10.1143/JJAP.50.051601

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  • Modeling carrier transport and electric field evolution in Gaussian disordered organic field-effect transistors Reviewed

    Fei Liu, Jack Lin, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   109 ( 10 )   2011.5

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    DOI: 10.1063/1.3590154

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  • Effects of Gold Nanoparticles on Pentacene Organic Field-Effect Transistors Reviewed

    Keanchuan Lee, Martin Weis, Wei Ou-Yang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.041601

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  • Study of trap-filling effect on transient carrier transport in pentacene field effect transistors by time-resolved optical second harmonic generation Reviewed

    Yasuyuki Tanaka, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   507 ( 1-3 )   195 - 198   2011.4

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    DOI: 10.1016/j.cplett.2011.03.068

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  • Function of Interfacial Dipole Monolayer in Organic Field Effect Transistors Reviewed

    Wei Ou-Yang, Martin Weis, Keanchuan Lee, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK10

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  • Grain Boundary Effect on Charge Transport in Pentacene Thin Films Reviewed

    Martin Weis, Katarina Gmucova, Vojtech Nadazdy, Eva Majkova, Daniel Hasko, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK03

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  • Evaluation of Carrier Density in Organic Field-Effect Transistor by Charge Modulated Spectroscopy Reviewed

    Takaaki Manaka, Satoshi Kawashima, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK12

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  • Direct Probing of Carrier Behavior in Electroluminescence Indium-Zinc-Oxide/N,N '-Di-[(1-naphthyl)-N,N '-diphenyl]-(1,1 '-biphenyl)-4,4 '-diamine/Tris(8-hydroxy-quinolinato)aluminum(III)/LiF/Al Diode by Time-Resolved Optical Second-Harmonic Generation Reviewed

    Dai Taguchi, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK08

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  • Investigation of the Voltage Establishment and Relaxation Processes in a Double-Layer Device by Time-Resolved Optical Second-Harmonic Generation Reviewed

    Le Zhang, Dai Taguchi, Jun Li, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK13

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  • Carrier Propagation Dependence on Applied Potentials in Pentacene Organic Field Effect Transistors Investigated by Impedance Spectroscopy and Electrical Time-of-Flight Techniques Reviewed

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK01

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  • Direct Observation of Carrier Behavior Leading to Electroluminescence in Tetracene Field-Effect Transistor Reviewed

    Yuki Ohshima, Hideki Satou, Nobuaki Hirako, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 4 )   2011.4

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    DOI: 10.1143/JJAP.50.04DK14

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  • Study of relaxation process of dipalmitoyl phosphatidylcholine monolayers at air-water interface: Effect of electrostatic energy Reviewed

    Wei Ou-Yang, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   134 ( 15 )   2011.4

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    DOI: 10.1063/1.3581890

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  • Trapping effect of metal nanoparticle mono- and multilayer in the organic field-effect transistor Reviewed

    Keanchuan Lee, Martin Weis, Jack Lin, Dai Taguchi, Eva Majkova, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   109 ( 6 )   2011.3

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    DOI: 10.1063/1.3567916

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  • Analyzing carrier lifetime of double-layer organic solar cells by using optical electric-field-induced second-harmonic generation measurement Reviewed

    Dai Taguchi, Tatsunori Shino, Xiangyu Chen, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   98 ( 13 )   2011.3

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    DOI: 10.1063/1.3574002

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  • Direct observation of space charge field in tetracene field-effect transistor using time-resolved microscopic optical second harmonic generation Reviewed

    Hideki Satou, Yuki Ohshima, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   109 ( 5 )   2011.3

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    DOI: 10.1063/1.3554835

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  • Transport limited interfacial carrier relaxation in a double-layer device investigated by time-resolved second harmonic generation and impedance spectroscopy Reviewed

    Le Zhang, Dai Taguchi, Jun Li, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   98 ( 9 )   2011.2

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    DOI: 10.1063/1.3560054

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  • Investigation of interfacial charging and discharging in double-layer pentacene-based metal-insulator-metal device with polyterpenol blocking layer using electric field induced second harmonic generation Reviewed

    Kateryna Bazaka, Mohan V. Jacob, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   503 ( 1-3 )   105 - 111   2011.2

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    DOI: 10.1016/j.cplett.2010.12.072

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  • Probing of Maxwell-Wagner Type Interfacial Charging Process in Double-Layer Devices by Time-Resolved Second Harmonic Generation Reviewed

    Le Zhang, Dai Taguchi, Jun Li, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E94C ( 2 )   141 - 145   2011.2

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    DOI: 10.1587/transele.E94.C.141

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  • Direct Probing of Photovoltaic Effect Generated in Double-Layer Organic Solar Cell by Electric-Field-Induced Optical Second-Harmonic Generation Reviewed

    Dai Taguchi, Tatsunori Shino, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS EXPRESS   4 ( 2 )   2011.2

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    DOI: 10.1143/APEX.4.021602

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  • Probing of Electric Field Distribution in ITO/PI/P3HT/Au Using Electric Field Induced Second Harmonic Generation Reviewed

    Ryo Miyazawa, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E94C ( 2 )   185 - 186   2011.2

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    DOI: 10.1587/transele.E94.C.185

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  • Probing of Transient Electric Field Distribution in ITO/PI/P3HT/Au By Time-Resolved Optical Second Harmonic Generation Measurement Reviewed

    Ryo Miyazawa, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.015

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  • Effect of organic gate dielectric material properties on interfacial charging and discharging of pentacene MIM device Reviewed

    Kateryna Bazaka, Mohan V. Jacob, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.014

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  • Electroluminescence Enhanced from Electrode Interface in ITO/Tetracene/Al Diodes Reviewed

    Atsuo Sadakata, Yuki Ohshima, Dai Taguchi, Masahiro Fukuzawa, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   538   112 - 117   2011

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    DOI: 10.1080/15421406.2011.563671

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  • Charge modulation spectroscopy for probing ambipolar carrier injection into pentacene field effect transistors Reviewed

    Takaaki Manaka, Satoshi Kawashima, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.042

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  • Direct Observation of Electron Transit in Ambipolar Polymer-Based Light-Emitting Transistor by Optical Second Harmonic Generation Measurement Reviewed

    Yuki Ohshima, Nobuaki Hirako, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto, Eunju Lim, Henning Sirringhaus

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.046

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  • Determination of Lifetime of Double-Layer CuPc/C-60 Organic Solar Cells by Optical Electric-Field-Induced Second-Harmonic Generation Measurement Reviewed

    Dai Taguchi, Tatsunori Shino, Xiangyu Chen, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.034

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  • Carrier Propagation Dependence on Applied Potentials in OFET Investigated by Impedance Spectroscopy Reviewed

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.038

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  • Maxwell-Wagner type interfacial relaxation process in a double-layer device investigated by time and frequency domain approaches Reviewed

    Le Zhang, Dai Taguchi, Jun Li, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.011

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  • Displacement Current Analysis of Capacitors with Ferroelectric Poly(vinylidene fluoride-trifluoroethylene) Film Reviewed

    Jun Li, Le Zhang, Wei Ou-Yang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.020

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  • Effects of an Interface Monolayer with Downward Dipole Orientation on Pentacene Organic Field-Effect Transistors Reviewed

    Wei Ou-Yang, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.040

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  • Effect of carrier injection process in the organic field-effect transistor by introducing metal nanoparticle monolayer Reviewed

    Keanchuan Lee, Martin Weis, Dai Taguchi, Eva Majkova, Takaaki Manaka, Mitsumasa Iwamoto

    9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   2011

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    DOI: 10.1016/j.phpro.2011.05.049

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  • Insight into the contact resistance problem by direct probing of the potential drop in organic field-effect transistors Reviewed

    Martin Weis, Jack Lin, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   97 ( 26 )   2010.12

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    DOI: 10.1063/1.3533020

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  • Probing of interfacial charging and discharging in double-layer devices with a polyimide blocking layer by time-resolved optical second harmonic generation Reviewed

    Le Zhang, Dai Taguchi, Jun Li, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   108 ( 9 )   2010.11

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    DOI: 10.1063/1.3483929

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  • Probing and modeling of carrier motion in organic devices by optical second harmonic generation Reviewed

    Mitsumasa Iwamoto, Takaaki Manaka

    THIN SOLID FILMS   519 ( 3 )   961 - 963   2010.11

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    DOI: 10.1016/j.tsf.2010.08.022

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  • Carrier injection from polypyrrole coated gold electrode in pentacene field effect transistors Reviewed

    Irfan A. Mir, Tarushee Ahuja, Devendra Kumar, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    SYNTHETIC METALS   160 ( 19-20 )   2116 - 2120   2010.10

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    DOI: 10.1016/j.synthmet.2010.07.041

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  • Morphological evidence of chirality in poly (diacetylene) film prepared using circularly polarized light Reviewed

    Hideki Kohn, Tatsunori Shino, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    International Journal of the Society of Material Engineering for Resources   17 ( 2 )   193 - 196   2010.9

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    DOI: 10.5188/ijsmer.17.193

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  • Charge modulated reflectance topography for probing in-plane carrier distribution in pentacene field-effect transistors Reviewed

    Takaaki Manaka, Satoshi Kawashima, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   97 ( 11 )   2010.9

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    DOI: 10.1063/1.3490716

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  • Analysis of Carrier Transients in Double-Layer Organic Light Emitting Diodes by Electric-Field-Induced Second-Harmonic Generation Measurement Reviewed

    Dai Taguchi, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF PHYSICAL CHEMISTRY C   114 ( 35 )   15136 - 15140   2010.9

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    DOI: 10.1021/jp104712m

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  • Fabrication and characterization of polyterpenol as an insulating layer and incorporated organic field effect transistor Reviewed

    M. V. Jacob, K. Bazaka, M. Weis, D. Taguchi, T. Manaka, M. Iwamoto

    THIN SOLID FILMS   518 ( 21 )   6123 - 6129   2010.8

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    DOI: 10.1016/j.tsf.2010.06.014

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  • Probing and modeling of interfacial carrier motion in organic devices by optical second harmonic generation Reviewed

    Mitsumasa Iwamoto, Takaaki Manaka, Martin Weis, Dai Taguchi

    JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   28 ( 4 )   C5F12 - C5F16   2010.7

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    DOI: 10.1116/1.3454371

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  • Effect of Traps on Carrier Injection and Transport in Organic Field-effect Transistor Reviewed

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING   5 ( 4 )   391 - 394   2010.7

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    DOI: 10.1002/tee.20549

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  • Modeling of threshold voltage in pentacene organic field-effect transistors Reviewed

    Wei Ou-Yang, Martin Weis, Dai Taguchi, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   107 ( 12 )   2010.6

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    DOI: 10.1063/1.3449078

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  • Molecular structure modulated properties of azobenzene-substituted polydiacetylene LB films: Chirality formation and thermal stability Reviewed

    Gang Zou, Yali Wang, Qijin Zhang, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    POLYMER   51 ( 10 )   2229 - 2235   2010.5

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    DOI: 10.1016/j.polymer.2010.03.029

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  • Influence of traps on transient electric field and mobility evaluation in organic field-effect transistors Reviewed

    Takaaki Manaka, Fei Liu, Martin Weis, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   107 ( 4 )   2010.2

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    DOI: 10.1063/1.3285503

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  • Analysis of contact resistance and space-charge effects in organic field-effect transistors Reviewed

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    Nanoscale Interface for Organic Electronics   9 - 26   2010.1

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    DOI: 10.1142/9789814322492_0002

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  • Electron Injection into Pentacene Field-Effect Transistor Observed by Time-Resolved Optical Second Harmonic Generation Imaging Reviewed

    Takaaki Manaka, Motoharu Nakao, Fei Liu, Martin Weis, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

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    DOI: 10.1143/JJAP.49.04DK05

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  • Study of Carrier Behavior in Pentacene in a Au/Pentacene/Ferroelectric Poly(vinylidene fluoride-trifluoroethylene)/Indium Tin Oxide Structure by Electric-Field-Induced Second-Harmonic Generation Measurement Reviewed

    Jun Li, Le Zhang, Wei Ou-Yang, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 12 )   2010

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    DOI: 10.1143/JJAP.49.121601

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  • Reduction of Hysteresis in Organic Field-Effect Transistor by Ferroelectric Gate Dielectric Reviewed

    Xiangyu Chen, Wei Ou-Yang, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamotoy

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 2 )   2010

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    DOI: 10.1143/JJAP.49.021601

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  • The Charge Transport in Organic Field-Effect Transistor as an Interface Charge Propagation: The Maxwell-Wagner Effect Model and Transmission Line Approximation Reviewed

    Martin Weis, Jack Lin, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 7 )   2010

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    DOI: 10.1143/JJAP.49.071603

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  • Study of Organic Field-Effect Transistors Using Charge Modulation Spectroscopy: Behavior of Injected Carriers Reviewed

    Ryo Miyazawa, Dai Taguchi, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

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    DOI: 10.1143/JJAP.49.04DK07

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  • Chiroptical switch based on azobenzene-substituted polydiacetylene LB films under thermal and photic stimuli Reviewed

    Gang Zou, Hao Jiang, Qijin Zhang, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF MATERIALS CHEMISTRY   20 ( 2 )   285 - 291   2010

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    DOI: 10.1039/b913764e

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  • Probing of Carrier Behaviors in ITO/PI/P3HT/Au Using Optical method

    MIYAZAWA Ryo, TAGUCHI Dai, MANAKA Takaaki, IWAMOTO Mitsumasa

    ITE Technical Report   34 ( 123(EID2010 1-7) )   27 - 30   2010

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    Organic devices have been attracted for its light weight, flexibility, low cost fabrication. To improve their performance, understanding for carrier injection, accumulation and transport process is needed. However, it is difficult to comprehend these processes by only using indirect methods, e.g., I-V measurement, because of ambiguity of carrier behaviors in organic materials. On the basis of back grounds, we believe that optical methods like second harmonic generation (SHG) method is useful to understand carrier behaviors in organic materials because it can directly probe carrier motion. Using C-V measurements, we have revealed that electron were trapped by photoillumination and biasing in MIS (ITO/PI/P3HT/Au), though the location of electron traps was unknown. In this study, we conducted electric field induced second harmonic generation (EFISHG) and probed the electric field formed by electron traps. We showed the presence of electron traps in PI layers.

    DOI: 10.11485/itetr.34.27.0_27

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  • Effect of Trap Density on Carrier Propagation in Organic Field-Effect Transistors Investigated by Impedance Spectroscopy Reviewed

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamotoy

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 1 )   2010

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    DOI: 10.1143/JJAP.49.01AE14

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  • Organic Electronics: Relaxation Time Controlled Devices Reviewed

    Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

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    DOI: 10.1143/JJAP.49.04DK15

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  • Probing and modeling of interfacial carrier motion in organic devices by optical second harmonic generation Reviewed

    Mitsumasa Iwamoto, Takaaki Manaka, Martin Weis, Dai Taguchi

    Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics   28 ( 4 )   F12 - F16   2010

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    DOI: 10.1116/1.3454371

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  • Tuning of Threshold Voltage in Organic Field-Effect Transistor by Dipole Monolayer Reviewed

    Wei Ou-Yang, Xiangyu Chen, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 4 )   2010

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    DOI: 10.1143/JJAP.49.04DK04

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  • Trapping centers engineering by including of nanoparticles into organic semiconductors Reviewed

    Martin Weis, Jack Lin, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   104 ( 11 )   2008.12

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    DOI: 10.1063/1.3033403

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  • Analysis of the Contact Resistance Effect on Pentacene FET Characteristics and Optical Second Harmonic Generation Measurements Reviewed

    Eunju Lim, Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iiatantoto

    JOURNAL OF THE KOREAN PHYSICAL SOCIETY   53 ( 5 )   2531 - 2534   2008.11

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  • Electrostatic Maxwell stress model of the shapes of condensed phase domains in monolayers at the air-water interface Reviewed

    Tetsuya Yamamoto, Dai Taguchi, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   128 ( 20 )   2008.5

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    DOI: 10.1063/1.2920474

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  • Analysis of charge accumulation in pentacene feld effect transistor with ferroelectric gate insulator using Maxwell-Wagner model Reviewed

    Ryousuke Tamura, Shuhei Yoshita, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 4 )   3170 - 3173   2008.4

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    DOI: 10.1143/JJAP.47.3170

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  • Probing of electric field in pentacene using microscopic optical second harmonic generation Reviewed

    Daisuke Yamada, Takaaki Manaka, Eunju Lim, Ryousuke Tamura, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   103 ( 8 )   2008.4

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    DOI: 10.1063/1.2907965

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  • Induced optical chirality of poly(diacetylene) film by circularly polarized light and its control by changing substrate temperature Reviewed

    Hideki Kohn, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 2 )   1359 - 1362   2008.2

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    DOI: 10.1143/JJAP.47.1359

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  • Optical chirality induced in evaporated poly(diacetylene) film by circularly polarized light Reviewed

    Hideki Kohn, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    MACROMOLECULAR SYMPOSIA   268   77 - 80   2008

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    DOI: 10.1002/masy.200850816

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  • Potential drop at electrode contact of organic field-effect transistors evaluated by optical second harmonic generation Reviewed

    Takaaki Manaka, Motoharu Nakao, Eunju Lim, Mitsumasa Iwamoto

    IEICE Transactions on Electronics   E91-C ( 12 )   1856 - 1858   2008

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Institute of Electronics, Information and Communication, Engineers, IEICE  

    DOI: 10.1093/ietele/e91-c.12.1856

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  • Preparation and Characterization of Micro-patterned Hybrid Bilayer Membrane Reviewed

    Yasuhiro Nishimura, Takaaki Manaka, Mitsumasa Iwamoto

    TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 33, NO 1   33 ( 1 )   99 - 102   2008

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  • Fabricating chiral polydiacetylene film by monolayer compression and circularly polarized ultra-violet light Reviewed

    Gang Zou, Hideki Kohn, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   442 ( 1-3 )   97 - 100   2007.7

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    DOI: 10.1016/j.cplett.2007.05.059

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  • Compression induced achiral-chiral phase transition of monolayers comprised of banana-shaped achiral molecules at the air-water interface: Importance of in-plane nematic order Reviewed

    Tetsuya Yamamoto, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   479   1051 - 1069   2007

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    DOI: 10.1080/15421400701732365

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  • Analysis of organic field effect transistors as a maxwell-wagner effect element: measurement of nano-interfacial polarization and electric field distribution in organic film by optical second harmonic generation Reviewed

    Mitsumasa Iwamoto, Takaaki Manaka, Eunju Lim, Ryousuke Tamura

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   467   285 - 293   2007

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    DOI: 10.1080/15421400701224579

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  • Contribution of electrostatic energy to curvature and frank elastic energy of monolayer domains comprised of polar molecules: Shape of domains with orientational deformation Reviewed

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   479   1071 - 1085   2007

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    DOI: 10.1080/15421400701732464

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  • Analysis of pentacene field effect transistor as a Maxwell-Wagner effect element Reviewed

    Ryousuke Tamura, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   100 ( 11 )   2006.12

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    DOI: 10.1063/1.2372433

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  • Preparation of chiral polydiacetylene film from achiral monomers using circularly polarized light Reviewed

    Takaaki Manaka, Hideki Kon, Yuki Ohshima, Gang Zou, Mitsumasa Iwamoto

    CHEMISTRY LETTERS   35 ( 9 )   1028 - 1029   2006.9

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    DOI: 10.1246/cl.2006.1028

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  • Formation of Non-Mirror Symmetric Domain Shapes of Monolayers Comprised of Chiral Molecules Due to the Electric Quadrupole Effect

    Yamamoto Tetsuya, Manaka Takaaki, Iwamoto Mitsumasa

    Proceedings of Japanese Liquid Crystal Society Annual meeting   2006   72 - 72   2006

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    The electrostatic energy of monolayer domain comprised of chiral molecules is analyzed taking into account the presence of electric quadrupole moment density in liquid crystal-like phase. Shape equation of such domains is derived using Taylor expansion method. We show that the electric quadrupole moment density contributes as spontaneous curvature, and that such monolayer domains form shapes without mirror symmetry.

    DOI: 10.11538/ekitou.2006.0.72.0

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  • Surface potential and orientational ordering of evaporated liquid crystal ultra-thin films

    Taguchi Dai, Kitazawa Kazuki, Hamatsu Makoto, Manaka Takaaki, Iwamoto Mitsumasa

    Proceedings of Japanese Liquid Crystal Society Annual meeting   2006   114 - 114   2006

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    Surface potential was measured while liquid crystalline molecules (5CB) were deposited onto substrates. The surface potentials increased at the beginning of the deposition, and saturated depending on substrates. These results were discussed with taking into account (i) polar ordering of the deposited 5CB molecules and (ii) charge transfer between the metal substrates and 5CBs. The experimental results on polyimide films will be also discussed.

    DOI: 10.11538/ekitou.2006.0.114.0

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  • Nano-interfacial polarization phenomena and pentacene FET characteristics Reviewed

    T Manaka, E Lim, R Tamura, M Iwamoto

    PROCEEDINGS OF THE 2005 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING MATERIALS, VOLS, 1-3   665 - 667   2005

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  • Polyimide as a tunneling barrier in single-electron tunneling junctions Reviewed

    Yutaka Noguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Polyimides and Other High Temperature Polymers: Synthesis, Characterization and Applications, Vol 3   439 - 452   2005

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  • Detection of phase transition of 4-heptyloxy-4′-n-cyanobiphenyl langmuir films by maxwell displacement current and optical second harmonic generation measurement Reviewed

    Atsushi Tojima, Hiroshi Fujimaki, Hiroshi Ootake, Ryouhei Hiyoshi, Takaaki Manaka, Mitsumasa Iwamoto, Ou-Yang Zhong-Can

    Molecular Crystals and Liquid Crystals   412   197 - 203   2004

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    DOI: 10.1080/15421400490439824

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  • Study of orientational order parameters of 4-octyl-4′-n-cyanobiphenyl langmuir films by maxwell displacement current measurement coupled with optical second harmonic generation measurement Reviewed

    Atsushi Tojima, Ryouhei Hiyoshi, Hiroshi Fujimaki, Hiroshi Ootake, Takaaki Manaka, Mitsumasa Iwamoto

    Molecular Crystals and Liquid Crystals   412   189 - 196   2004

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    DOI: 10.1080/15421400490439815

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  • Second harmonic generation at the interface of copper tetra-tert-butyl phthalocyanine Langmuir-Blodgett film/metal Reviewed

    XM Cheng, SW Yao, CQ Li, T Manaka, M Iwamoto

    SCIENCE IN CHINA SERIES B-CHEMISTRY   46 ( 4 )   379 - 386   2003.8

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    DOI: 10.1360/02yb0043

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  • Interfacial electrostatic phenomena in polyimide Langmuir-Blodgett films in electron tunneling devices Reviewed

    M Iwamoto, T Manaka, Y Noguchi

    CURRENT APPLIED PHYSICS   3 ( 2-3 )   223 - 226   2003.4

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    DOI: 10.1016/S1567-1739(02)00206-7

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  • Compression-shear-induced tilt azimuthal orientation of amphiphilic monolayers at the air-water interface: A C∞→C2v transition in the flow of a two-dimensional hexatic structure

    Mitsumasa Iwamoto, Atsushi Tojima, Takaaki Manaka, Ou-Yang Zhong-Can

    Physical Review E - Statistical, Nonlinear, and Soft Matter Physics   67 ( 4 )   417111 - 4171114   2003.4

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  • MDC-SHG spectroscopy of organic monolayer film Reviewed

    A Tojima, R Hiyoshi, T Manaka, M Iwamoto, OY Zhongcan

    NANOTECHNOLOGY AND NANO-INTERFACE CONTROLLED ELECTRONIC DEVICES   351 - 375   2003

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  • Compression-shear-induced tilt azimuthal orientation of amphiphilic monolayers at the air-water interface: A [Formula presented] transition in the flow of a two-dimensional hexatic structure Reviewed

    Mitsumasa Iwamoto, Atsushi Tojima, Takaaki Manaka, Ou-Yang Zhong-Can

    Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics   67 ( 4 )   14   2003

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    DOI: 10.1103/PhysRevE.67.041711

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  • Analysis of second harmonic generation from the interface of CuttPc Langmuir-Blodgett film/metal Reviewed

    XM Cheng, CQ Li, T Manaka, M Iwamoto

    MATERIALS, DEVICES, AND SYSTEMS FOR DISPLAY AND LIGHTING   4918   307 - 312   2002

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  • Maxwell-Displacement Current-Optical Second Harmonic Generation (MDC-SHG) spectroscopy of organic monolayers

    Atsushi Tojima, Taka-Aki Manaka, Mitsumasa Iwamoto

    Proceedings of the Fourth International Conference on Materials Engineering for Resources   1   173 - 178   2001

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  • Resonant enhancement of second-harmonic generation of electric quadrupole origin in phthalocyanine films Reviewed

    Toshiki Yamada, Hajime Hoshi, Takaaki Manaka, Ken Ishikawa, Hideo Takezoe, Atsuo Fukuda

    Physical Review B - Condensed Matter and Materials Physics   53 ( 20 )   R13314 - R13317   1996

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    DOI: 10.1103/PhysRevB.53.R13314

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  • In-situ observation of SHG and its origin in vacuum deposited copper phthalocyanine film Reviewed

    H Hoshi, T Yamada, K Kajikawa, K Ishikawa, H Takezoe, A Fukuda

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS   267   1 - 6   1995

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    DOI: 10.1080/10587259508033964

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▼display all

Books

  • Polyimides and Other High Temperature Polymers; Polyimide as a tunneling barrier in single-electron tunneling junctions

    VSP  2005 

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  • Polyimides and Other High Temperature Polymers; Polyimide as a tunneling barrier in single-electron tunneling junctions

    VSP  2005 

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  • MDC-SHG spectroscopy of organic monolayer film in Nanotechnology and Nano-Interface Controlled Electronic Devices, Chepter 17.

    Elsevier Science  2003 

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  • MDC-SHG spectroscopy of organic monolayer film in Nanotechnology and Nano-Interface Controlled Electronic Devices, Chepter 17.

    Elsevier Science  2003 

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MISC

  • Study on Improvement of Carrier Mobility of Polymer Semiconductors by Adding Nanofillers

    間中孝彰

    電気学会全国大会講演論文集(CD-ROM)   2025   2025

  • Analyzing output power of P(VDF-TrFE) dipolar-energy-based triboelectric generators by using thermally stimulated current measurement

    岡本裕介, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   71st   2024

  • Organic Thin Films and Devices Characterization by Nonlinear Optical Spectroscopy

    間中孝彰

    電気学会基礎・材料・共通部門大会(Web)   2024   2024

  • Evaluating metal/polyethylene/ITO devices using thermally stimulated current as power sources

    高橋颯太, 中川亮, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   124 ( 239(EE2024 11-18) )   2024

  • Evaluating temperature-dependent equivalent circuit parameters of triboelectric generators using permanent dipoles in P(VDF-TrFE)

    岡本裕介, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Preparation of chiral perovskite thin films for chiral electronics and their electrical and optical properties

    間中孝彰

    電気学会全国大会講演論文集(CD-ROM)   2024   2024

  • Construction of a surface plasmon resonance measurement system for probing electric field distributions in pentacene thin films

    井上柊也, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   124 ( 7(SDM2024 1-7) )   2024

  • Orientational ordering of molecular dipoles as an electrical power source for triboelectric generators: Spontaneous free energy transitions during dipolar depolarization

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   85th   2024

  • Electrical equivalent circuit model for triboelectric generators using orientationally ordered molecular dipoles as power sources

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Probing electric field in ferroelectric polymer P(VDF-TrFE) for triboelectric generators by using EFISHG measurements

    林好古, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Optical simulation for probing electric field distribution along thickness direction of pentacene layer by using surface plasmon resonance measurements

    井上柊也, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Study on the deposition of soluble phthalocyanine thin films with oriented domains by dip-coating method

    大須賀匠, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   71st   2024

  • Evaluation of Anisotropy of Polymer Semiconductor Thin Films Aligned by Floating Film Transfer Method by Polarized Light Absorption Method

    外山啓斗, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   124 ( 322(OME2024 31-40) )   2024

  • In-situ observation of polar orientational ordering during rubbing of PMDA-ODA polyimide by using optical second-harmonic generation

    前田真晴人, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Dipolar depolarization current in organic thin film as an electrical power source of triboelectric generators using polar materials

    田口大, 間中孝彰, 岩本光正

    電気学会基礎・材料・共通部門大会(Web)   2024   2024

  • キラル有機・無機ハイブリッドペロブスカイトのキラリティー影響因子と光電変換の評価

    WEI Feng, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Maxwell Displacement Current and Electric Power Generation using Dipolar Depolarization in Organic film

    岩本光正, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2024   2024

  • Orientational ordering of molecular dipoles by rubbing as an electrical power source for triboelectric generators: A model based on Helmholtz free energy stored in polar materials

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   124 ( 172(OME2024 13-15) )   2024

  • Operando measurement toward the development of advanced nanomaterials and organic devices

    間中孝彰

    電気学会基礎・材料・共通部門大会(Web)   2023   2023

  • DCM measurement of P(VDF-TrFE) spin-coated films for triboelectric power generators

    WU Qinyang, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   123 ( 8(SDM2023 1-17) )   2023

  • Preparation of MIM Structure Devices Sandwiching Polyamic Acid Films for Producing Thermally Stimulated Current as a Source of Electric Power

    中川亮, 岡本裕介, 前田真晴人, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   123 ( 328(OME2023 67-77) )   2023

  • Evaluation of Carrier Transport in Crystal Domain of copperphthalocyanine

    西村勇亮, 田口大, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   84th   2023

  • Evaluating PMDA-ODA Polyamic Acid Spin-Coating Film as Triboelectric Generators by Using I-V Measurement

    前田真晴人, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2023   2023

  • In-situ SHG measurement system for probing triboelectric generation in PMDA-ODA polyamic acid spin-coated films

    前田真晴人, 田口大, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   84th   2023

  • Investigation of Deposition Conditions for the Preparation of Soluble Phthalocyanine Thin Films Using Solution Coating Methods

    大須賀匠, 西村勇亮, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   123 ( 300(EE2023 24-39) )   2023

  • Preparation of CH3NH3PbI3 perovskite thin films using bar-coating method and evaluation by optical absorption spectrum measurement

    武衛颯汰, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   123 ( 300(EE2023 24-39) )   2023

  • Thermally stimulated current measurement of spin-coat film of poly(vinylidenefluoride-trifluoroethylene) for triboelectric generators

    岡本裕介, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   70th   2023

  • Degradation evaluation of organic solar cells by microscopic spectroscopy and LBIC

    安達周平, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2023   2023

  • IV measurement system for evaluating equivalent circuit parameters of poly (vinylidenefluoride-trifluoroethylene) triboelectric generators with different dielectric’s relaxation time

    岡本裕介, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2023   2023

  • Equivalent circuit model for triboelectric generator as a dipolar energy source and its evaluating system by using I-V measurement: Toward triboelectronics

    田口大, 間中孝彰, 岩本光正

    電気学会研究会資料(Web)   ( DEI-22-068-083.085 )   2022

  • Preparation of polyimide acid Langmuir-Blodgett film and its electrical current measurement system for triboelectronics

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2022   2022

  • Evaluating triboelectric generator using P(VDF-TrFE) 70:30 spin-coating layer: temperature dependent current source

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2022   2022

  • I-V measurement of ferroelectric polymer film (P(VDF-TrFE)) as a triboelectric generator and evaluation of equivalent circuit model parameters

    岡本裕介, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   122 ( 327(OME2022 50-62) )   2022

  • Evaluating system for triboelectric generator at elevated temperature in dry nitrogen atmosphere: toward triboelectronics

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   122 ( 8(SDM2022 1-13) )   2022

  • Equivalent circuit model for triboelectric generator as a dipolar energy source and its evaluating system by using I-V measurement: Toward triboelectronics

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   122 ( 116(OME2022 14-24) )   2022

  • Equivalent circuit model of triboelectric generator as a dipolar energy source and its evaluation system by using current-voltage measurement

    永渕晶大, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   83rd   2022

  • Evaluation of drift and diffusion in organic semiconductors by using TRM-SHG measurement

    永坂審平, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   69th   2022

  • Deposition of PMDA-ODA Polyamic Acid by Drop Cast Method and I-V Measurement of Triboelectric Generation

    前田真晴人, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   122 ( 299(EE2022 19-29) )   2022

  • Preparation of medium density polyethylene film for triboelectric generation and triboelectric current measurement of the film

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   69th   2022

  • Study on exciton and carrier dynamics at CuPc/MoO3 interface by using time-resolved optical second harmonic generation technique

    下澤敬仁, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   68th   2021

  • Fabrication of OFET with low threshold voltage and high carrier mobility by simultaneous film formation of insulator/organic semiconductor-layers

    山岡祐太, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   68th   2021

  • Evaluating I-V characteristics of triboelectric generator using polyimide film with and without permanent dipole moment

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   68th   2021

  • Analyzing transient current during triboelectric generation as a polarization energy transfer process

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   82nd   2021

  • Equivalent circuit model for analyzing dipolar energy as a power source

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   121 ( 255(EE2021 18-30) )   2021

  • Triboelectric generation of poly(vinylidene fluoride-trifluoro ethylene) film with positive and negative spontaneous polarization

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2021   2021

  • EFISHG measurement system for study of triboelectric generation and visualized electronic charge due to triboelectrification and peeling-electrification

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   121 ( 8(SDM2021 1-11) )   2021

  • EFISHG measurement system for study of triboelectric generation and visualizing electronic charge due to triboelectrification on polyimide film rubbed by polyethylene film; Towards triboelectronics

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   121 ( 315(OME2021 35-46) )   2021

  • Equivalent circuit model for triboelectric generator as a dielectric polarization energy transfer process

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2021   2021

  • Visualizing positive and negative triboelectric charge on rubbed Kapton type polyimide by using local oscillator method in optical second-harmonic generation measurement: II

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   81st   2020

  • Analysis of photo-induced intramolecular electron transfer in self-assembled monolayers by using displacement current technique

    間中孝彰, 田口大

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2020   2020

  • Probing Electronic Charge and Dipolar Charge in Triboelectric Generator by Using Optical Second-Harmonic Generation

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会論文誌 C(Web)   J103-C ( 9 )   2020

  • Evaluation of exciton and carrier dynamics at the organic donor-acceptor interface by ultrafast nonlinear optical spectroscopy for innovative organic devices

    間中孝彰

    電気学会全国大会講演論文集(CD-ROM)   2020   2020

  • In-plane angle dependence of orientational ordering and electrostatic field induced on rubbing of PMDA-ODA polyimide surface measured by using electric-field-induced optical second-harmonic generation

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2020   2020

  • Electrical circuit to store and use stably electricity supplied by triboelectric generator

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告(Web)   120 ( 283(EE2020 16-22) )   2020

  • Study on exciton and carrier dynamics at CuPc/MoO3 interface by using time-resolved second harmonic generation technique

    下澤敬仁, 田口大, 間中孝彰

    電子情報通信学会技術研究報告(Web)   120 ( 307(OME2020 8-18) )   2020

  • In-plane angle dependence of orientational ordering and electrostatic field induced on rubbing of PMDA-ODA polyimide surface measured by using electric-field-induced optical second-harmonic generation: II

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2020   2020

  • Characteristics and solvent dependence of TIPS-pentaceneFET fabricated by phase separation method

    山岡祐太, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   67th   2020

  • Visualizing positive and negative triboelectric charge on rubbed Kapton type polyimide by using local oscillator method in optical second-harmonic generation measurement

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   67th   2020

  • Carrier transport properties of TIPS pentacene thin-film with different crystal structures

    山岡祐太, 田口大, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   81st   2020

  • Study of exciton and carrier dynamics at organic donor-acceptor interface

    間中孝彰, 田口大

    電子情報通信学会技術研究報告   119 ( 357(OME2019 48-58 )   2019

  • EFISHG measurement system for study of triboelectric generation and probing EFISHG from polyethylene film

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   119 ( 233(OME2019 17-21) )   2019

  • 電界誘起第2次光高調波発生測定による外部電圧印加で負帯電させた摩擦発電層(PMDA-ODAポリイミド)の顕微観察

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2019   2019

  • 時間分解光第二次高調波発生法を用いたC60/CuPc界面における励起子およびキャリアダイナミクス評価

    松尾魁士, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   66th   2019

  • 電界誘起光第2次高調波発生法によるトライボ発電層(カプトン型ポリイミド)の摩擦電気発生の時間分解測定

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   66th   2019

  • 光第2次高調波発生(SHG)測定による摩擦電気の正電荷と負電荷の可視化

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2019   2019

  • 第2次光高調波発生法によるトライボ発電層(カプトン型ポリイミド)の摩擦電気の可視化-摩擦電気の電荷変位と双極子配向の選択的測定-

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   80th   2019

  • 変位電流法を用いた自己組織化単分子膜における光誘起電子移動の直接観測

    吉原興宙, 田口大, 間中孝彰

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2019   2019

  • EFISHG measurement system for study of triboelectric generation and probing EFISHG from polyethylenetelephthalate (PET) film

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   119 ( 311(OME2019 22-34) )   2019

  • 変位電流法による自己組織化単分子膜の光誘起電子移動の観測と有機薄膜太陽電池の特性変化

    吉原興宙, 田口大, 間中孝彰

    電気学会全国大会講演論文集(CD-ROM)   2019   2019

  • EFISHG measurement system for visualizing positive and negative charges of triboelectricity generation

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   119 ( 65(OME2019 8-11) )   2019

  • 電界誘起光第2次高調波発生法によるトライボ発電層(カプトン型ポリイミド)の摩擦電気の可視化

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   65th   2018

  • 電界誘起第2次光高調波発生測定による外部電圧印加で帯電させた摩擦発電層(PMDA-ODAポリイミド)の電界可視化

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2018   2018

  • EFISHG measurement system for study of triboelectric generation and in-situ probing of triboelectricity generartion on rubbed Kapton polyimide film

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   118 ( 320(OME2018 14-25) )   2018

  • 電界誘起光第2次高調波発生法による2層積層膜型有機感光体試料の内部電界の選択的測定

    田口大, 間中孝彰, 岩本光正, 佐久間和子, 渡口要, 川原正隆

    電子情報通信学会大会講演論文集(CD-ROM)   2018   2018

  • EFISHG measurement system for study of triboelectric generation and probing generation and removal of tribo charges on rubbed polyimide film

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   118 ( 146(OME2018 9-13) )   2018

  • 電荷変調分光法による錫ペロブスカイト薄膜のトラップ準位の評価

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   79th   2018

  • 自己組織化単分子膜の光誘起分子内電子移動による有機薄膜太陽電池の特性変化

    吉原興宙, 長谷川司, 芦沢実, 田口大, 松本英俊, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   79th   2018

  • 電界誘起光第2次高調波発生法によるトライボ発電層(カプトン型ポリイミド)の摩擦電気の顕微観察

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   79th   2018

  • 時間分解光第二次高調波発生法を用いた有機ドナー/アクセプタ界面における励起子およびキャリアダイナミクス評価

    松尾魁士, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   65th   2018

  • DA型共重合体配向膜における光学・電気的異方性の相関評価

    土屋春樹, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   65th   2018

  • 電界誘起光第二次高調波発生(EFISHG)測定とC-f測定を用いたバルクヘテロ接合太陽電池の光照射効果による空乏層形成の評価

    藤生駿佑, 田口大, 間中孝彰

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   65th   2018

  • 電界誘起光第2次高調波発生法による錫ペロブスカイト太陽電池の内部電界評価

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   65th   2018

  • Non-destructive diagnostics for organic light-emitting diodes by using electric-field-induced optical second-harmonic generation

    田口大, 間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   2017 ( 14 )   47 - 52   2017.2

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  • Study of carrier transport in light-emitting organic semiconductor by photoluminescent decay measurement

    間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   2017 ( 14 )   37 - 40   2017.2

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  • Analysis of carrier behavior in organic light-emitting diodes using microscopic electric-field induced optical second harmonic generation measurement

    貞方敦雄, 田口大, 間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   2017 ( 14 )   41 - 45   2017.2

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  • Nondestructive OLED diagnostics by using optical EFISHG technique

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   116 ( 446 )   59 - 64   2017.1

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  • P3HT:PCBM逆型バルクヘテロ接合太陽電池の光照射による開放電圧上昇と電界誘起光第二次高調波発生法(EFISHG)による内部電界の選択的測定

    藤生駿佑, 田口大, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   2017

  • EFISHGおよびLBIC測定を用いた有機EL素子の顕微解析装置の開発

    貞方敦雄, 田口大, 間中孝彰, 岩本光正

    電気学会論文誌 A   137 ( 2 )   2017

  • Academic and Research Exchange with Asian Countries, and Next-generation Electronic Materials Technology

    岩本光正, 小野田光宜, 馬場暁, 臼井博明, 島田敏宏, 貞方敦雄, 間中孝彰, 高田達雄, 梶井博武, 工藤一浩, 尾崎良太郎, 山田俊樹

    電気学会技術報告   ( 1400 )   2017

  • EFISHG measurement system for study of triboelectric generation and probing tribo charges on rubbed polyimide film

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   117 ( 376(OME2017 49-56) )   2017

  • 第2次光高調波発生法によるトライボ発電層(PMDA-ODA型ポリイミド)の配向分極の選択的評価

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   2017

  • トライボ発電層(ポリエチレンテレフタレート)に形成する静電界の電界誘起第2次光高調波発生測定

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2017   2017

  • DA型共重合体配向膜における光学・電気的異方性の相関の評価

    土屋春樹, 田口大, 間中孝彰

    電子情報通信学会大会講演論文集(CD-ROM)   2017   2017

  • 錫ペロブスカイトから発生する電界誘起光第2次高調波の電界依存性の検討

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   2017

  • TOFおよびEFISHGによるAu/pentacene/polyimide/ITO素子のキャリア移動度測定

    須永将司, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • 各種分光学的手法を用いた有機半導体デバイスのオペランド測定

    間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • トライボ発電の分子的起源解明のための第2次光高調波発生法によるポリイミド発電層の分極評価

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • 錫ペロブスカイトから発生する電界誘起光第2次高調波発生の観測

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • 鉛ペロブスカイト層から発生するEFISHG信号の外部電圧依存性

    廣谷瞭, 野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   78th   2017

  • 狭エネルギーギャップポリマーを用いた近赤外光熱電変換素子の作製

    長谷川司, 芦沢実, 間中孝彰, 川内進, 松本英俊

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • 電界誘起光第二次高調波発生法と過渡ELイメージングによる有機発光トランジスタのキャリア挙動の評価

    波多野孝慈, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • CMS imgaingによるP(VDF-TrFE)をゲート絶縁層とするpentacene FETのチャネル内のキャリヤ分布と分極反転の解析

    大塚貴子, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • 電界誘起光第二次高調波発生(EFI-SHG)法による異なるコンタクト構造によるキャリア注入特性変化の評価

    土屋春樹, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   64th   2017

  • Mobility control of TIPS-pentacene thin films by zone-casting methods

    山道稜, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   115 ( 485 )   19 - 23   2016.3

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  • Optical second-harmonic generation measurement for probing organic device operation

    Takaaki Manaka, Mitsumasa Iwamoto

    LIGHT-SCIENCE & APPLICATIONS   5   2016.3

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    Language:English   Publishing type:Book review, literature introduction, etc.  

    DOI: 10.1038/lsa.2016.40

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  • 各種分光学的手法による有機半導体中のキャリア輸送評価

    間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2016   2016

  • 電荷変調分光法を用いたAu/pentacene/poly(vinylidene fluoride trifluoroethylene)/ITO素子の界面蓄積キャリヤのエネルギー準位評価

    大塚貴子, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 蛍光顕微イメージングによるペンタセンFETにおける電荷分布評価

    間中孝彰, 安部健太郎, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 変位電流測定と電界誘起光第2次高調波発生法による2層有機素子の移動度の評価

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 熱刺激電流(TSC)-EFISHG及びCMSによるMIS構造素子(IZO/polyimide/α-NPD/Au)のトラップ評価

    細川英機, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • Electrostatic phenomena at Donor-Acceptor interface of organic semiconductors studied by the in-situ optical second-harmonic generation measurement

    間中孝彰, 竹中友浩, 岩本光正

    電気学会誘電・絶縁材料研究会資料   DEI-16 ( 1-12 )   2016

  • Probing of carrier behaviors in ITO/poly(vinylidene fluoride trifluoroethylene)/pentacene/Au devices by charge modulation spectroscopy and electric-field-induced optical second harmonic generation measurement

    大塚貴子, 田口大, 間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   DEI-16 ( 1-12 )   2016

  • EFISHG測定を用いた有機EL素子の動作解析

    貞方敦雄, 田口大, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集(CD-ROM)   2016   2016

  • 「アジア地区における有機誘電性・機能性電気電子材料研究の次世代エレクトロニクスへの応用」に関する調査専門委員会活動概要

    岩本光正, 小野田光宜, 間中孝彰

    電気電子絶縁材料システムシンポジウム予稿集   47th   2016

  • Visualization of carrier transport in luminescent polymer thin film by photo-luminescence decay measurement.

    安部健太郎, 間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   DEI-16 ( 1-12 )   2016

  • 有機単結晶薄膜におけるキャリア輸送特性

    間中孝彰, 岩本光正

    電気学会全国大会講演論文集(CD-ROM)   2016   2016

  • 摩擦帯電のマックスウェル変位電流測定系の構築とポリエチレンテレフタレート(PET)-Cu間の摩擦帯電評価

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   77th   2016

  • 電界誘起光第二次高調波発生法による有機発光トランジスタのキャリア挙動の評価

    波多野孝慈, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   77th   2016

  • 有機デバイスの界面キャリア挙動の電気的・光学的評価

    田口大, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2016   2016

  • p型およびn型狭エネルギーギャップポリマーの合成と近赤外光熱電変換素子への応用

    長谷川司, 芦沢実, 間中孝彰, 川内進, 松本英俊

    高分子学会予稿集(CD-ROM)   65 ( 2 )   2016

  • TOFおよびEFISHGによるAu/pentacene/polyimide/ITO素子のキャリア移動度測定

    須永将司, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 電界誘起光第2次高調波法による2層積層有機EL(IZO/α-NPD/Alq3/Al)素子の長時間駆動による破壊前駆現象としての電荷蓄積現象の測定

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 電界誘起光第2次高調波発生法による摩擦帯電の直接観察系の構築~Kapton型polyimideとAlの摩擦による接触帯電~

    樽茶好彦, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 過渡蛍光減衰法によるキャリア輸送の直接観測

    安部健太郎, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   63rd   2016

  • 熱刺激電流測定・光EFISHG同時測定系の構築とAu/α-NPD/polyimide/IZO積層界面のトラップ解放過程の評価

    田口大, 細川英機, 間中孝彰, 岩本光正

    電子情報通信学会大会講演論文集(CD-ROM)   2016   2016

  • 電界誘起光第2次高調波法による有機エレクトロニクス材料内のキャリヤ挙動の可視化技術

    岩本光正, 間中孝彰, 田口大

    電気学会論文誌 A   136 ( 11 )   2016

  • Organic device operation studied by the spectroscopic and optical technique

    間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   115 ( 265 )   7 - 12   2015.10

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  • Selective probing of photo-induced electro-motive force in ITO/PEDOT:PSS/P3HT:PCBM/Al bulk-heterojunction organic solar cells by using electric-field-induced optical second-harmonic generation measurement

    三和健人, 田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   115 ( 255 )   29 - 34   2015.10

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  • Modeling and visualization of carrier motion in organic films by optical second harmonic generation and Maxwell-displacement current

    Mitsumasa Iwamoto, Takaaki Manaka, Dai Taguchi

    JOURNAL OF PHYSICS D-APPLIED PHYSICS   48 ( 37 )   2015.9

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    DOI: 10.1088/0022-3727/48/37/373001

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  • Three-dimensional electric field evaluation in organic material studied by the EFI-SHG

    間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   115 ( 104 )   51 - 56   2015.6

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  • Analysis of Carrier Behaviors in Organic Semiconductors by Electric Field Induced Optical Second Harmonic Generation

    田口大, 間中孝彰, 岩本光正

    光学   44 ( 3 )   111 - 118   2015.3

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  • 光第2次高調波発生法による有機ドナー/アクセプター界面評価

    間中孝彰, 竹中友浩, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 導電性高分子材料PEDOT:PSSを用いた二層積層有機ELのキャリア挙動解析

    大塚貴子, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • 電界誘起光第2次高調波測定を用いたバルクヘテロ型太陽電池のPEDOT:PSS層への2次ドーピングの評価

    三和健人, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • EFI-SHG法による高配向高分子半導体薄膜の注入および輸送異方性評価

    安部健太郎, 松原幸平, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • 熱刺激電流測定法及び電気光学定数測定法による有機電気光学ポリマーの熱安定性の評価

    池本龍馬, 田口大, 間中孝彰, 岩本光正, 山田俊樹, 大友明

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • 熱刺激電流(TSC)-EFISHG同時測定によるIZO/polyimide/pentacene/Au素子のキャリアトラップ評価

    田口大, 細川英機, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • EFISHGおよびLBIC測定による二層積層有機EL素子内のキャリア挙動解析

    貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • Two-dimensional distribution mapping of photovoltaic effect in double-layer organic solar cells

    平野友保, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   115 ( 255(OME2015 42-49) )   2015

  • 「アジア地区における有機誘電性・機能性電気電子材料研究の次世代エレクトロニクスへの応用」に関する調査専門委員会 活動概要

    岩本光正, 小野田光宜, 間中孝彰

    電気電子絶縁材料システムシンポジウム予稿集   46th ( CD-ROM )   2015

  • 電界誘起光第2次高調波測定を用いたバルクヘテロ型太陽電池の2波長分離測定と内部電界評価

    三和健人, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • TOFおよびEFISHGによるAl/pentacene/polyimide/ITO素子の移動度測定

    須永将司, LI Xin, LI Xin, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • レーザー光誘起電流(LBIC)と軸偏光EFISHG顕微鏡によるIZO/pentacene/C60/Al太陽電池の光起電力効果の面内分布の評価

    平野友保, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 電荷変調分光法を用いたpoly(vinylidene fluoride trifluoroethylene)/pentacene二層積層デバイスのキャリヤ挙動評価

    大塚貴子, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 熱刺激電流及び電界誘起光第二次高調波発生法を用いたIZO/polyimide/pentacene/Au素子のトラップ評価

    細川英機, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 変位電流測定と電界誘起光第2次高調波発生法による2層有機素子の放電過程の解析

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 過渡電流測定及び電界誘起光第二次高調波測定によるMIS構造中の有機半導体層のキャリア移動度評価

    中村大二郎, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • EFISHG顕微法による有機素子(IZO/polyimide/C60/Al)の絶縁破壊前駆現象の観察

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • EFISHG法によるAu/pentacene/polyimide/IZO構造素子の初期電流消失前後のキャリア挙動評価

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   76th   2015

  • 電界誘起光第二次高調波発生法による2層積層(IZO/PMMA/α-NPD/Au)有機ダイオード素子の電界分布と電気伝導機構の解析

    西翔平, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   62nd   2015

  • Evaluation of transport mechanism in highly oriented organic semiconductor thin film studied by visualizing carrier transport

    Matsubara Kohei, Abe Kentaro, Manaka Takaaki, Iwamoto Mitsumasa

    Technical report of IEICE. OME   114 ( 323 )   35 - 40   2014.11

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    Organic single crystalline film devices are known to show high mobility that exceed the mobility of amorphous silicon thin films, however there has been little information on the basic study of transport mechanism in the organic single crystals. Electric field distribution which governs the carrier behavior in the organic devices can be evaluated by using the electric field induced second harmonic generation (EFISHG) measurement. In this report we have conducted time-resolved microscopic measurement, TRM-SHG, to visualize carrier transport in anisotropic TIPS pentacene single crystals. Strong temperature dependence of the SHG signal observed at the electrode edge suggests Schottky injection process. We have directly calculated the carrier mobility taking into account the potential drop, and concluded that the Marcus theory is appropriate to explain the carrier transport in the TIPS pentacene thin film. TRM-SHG method is an effective way to directly visualize transport process and evaluates injection and transport process simultaneously.

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  • Probing and modeling of carrier motion in organic devices by electric-field-induced optical second-harmonic generation

    Mitsumasa Iwamoto, Takaaki Manaka, Dai Taguchi

    JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 10 )   2014.10

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    DOI: 10.7567/JJAP.53.100101

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  • Evaluation of Thermal Stability of Organic Electric Optical Device by Thermally Stimulated Depolarization Current Measurement(2)

    Ikemoto Ryoma, Kinemura kazuhiko, Yamada Toshiki, Otomo Akira, Taguchi Dai, Manaka Takaaki, Iwamoto Mitsumasa

    IEICE technical report. Component parts and materials   114 ( 95 )   11 - 16   2014.6

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    Organic electro-optic (EO) devices have attracted much attention as a next generation optical modulator, where EO polymers are utilized with poling. Thermal stability is a key factor for the practical application of EO polymers. Thus, the development of the evaluation method of thermal stability is necessary. Thermally stimulated current (TSC) method is available for this evaluation. In this study, for two kinds of EO polymers, i.e., Guest/host polymer SKNEO33/PMMA and Side chain polymer DR1-co-PMMA, we examined the dipolar relaxation times by employing thermally stimulated depolarization current measurements.

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  • Evaluation of Thermal Stability of Organic Electric Optical Device by Thermally Stimulated Depolarization Current Measurement(2)

    Ikemoto Ryoma, Kinemura kazuhiko, Yamada Toshiki, Otomo Akira, Taguchi Dai, Manaka Takaaki, Iwamoto Mitsumasa

    Technical report of IEICE. OME   114 ( 96 )   11 - 16   2014.6

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    Organic electro-optic (EO) devices have attracted much attention as a next generation optical modulator, where EO polymers are utilized with poling. Thermal stability is a key factor for the practical application of EO polymers. Thus, the development of the evaluation method of thermal stability is necessary. Thermally stimulated current (TSC) method is available for this evaluation. In this study, for two kinds of EO polymers, i.e., Guest/host polymer SKNEO33/PMMA and Side chain polymer DR1-co-PMMA, we examined the dipolar relaxation times by employing thermally stimulated depolarization current measurements.

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  • Preparation of chiral polydiacetylene films by using multi-photon polymerization

    Manaka Takaaki, Iwamoto Mitsumasa

    Technical report of IEICE. OME   113 ( 461 )   33 - 37   2014.3

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    Recently, we demonstrated successful preparation of chiral polydiacetylene (PDA) from achiral derivatives of diacetylene monomer via photo-polymerization using circularly polarized ultra-violet light. For the chiral induction, chiral source was only circularly polarized light (CPL), and the chiral polymers with opposite handedness was separately prepared using left- and right-CPL. A chiral conjugated polymer must be promising candidates for a fruition of novel organic devices with special electrical and optical functions, such as nano-inductor. One of the advantages to applying a photo-polymerization process is ease to make a patterning using photo-mask. However the resolution limit of the photo-patterning is dominated by a wavelength of a light for polymerization. Multi-photon polymerization is known to be suitable for making a fine structure by such as lithography. In the presentation, we demonstrate the three-photon initiated chiral formation of PDA using circularly polarized visible pulse laser.

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  • CS-1-3 Temperature dependence of the carrier transport in anisotropic organic semiconductor films

    Manaka Takaaki, Abe Kentaro, Matsubara Koei, Iwamoto Mitsumasa

    Proceedings of the IEICE General Conference   2014 ( 2 )   "S - 4"-"S-5"   2014.3

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  • Analysis of Carrier Behavior in Double-Layer Organic Light-Emitting Diodes By Microscopic Electric-Field-Induced Optical Second-Harmonic Generation Measurement

    SADAKATA Atsuo, YANO Ryota, TAGUCHI Dai, MANAKA Takaaki, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   113 ( 461 )   11 - 16   2014.3

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    A novel microscopic electric-field-induced optical second-harmonic generation (EFISHG) measurement system using a radial polarized beam has been developed. The developed system can visualize electric fields along with thickness direction, electric fields and interfacial accumulation charge distributions on emitting surface, in double-layer organic light-emitting diodes with a structure of IZO/α-NPD/Alq_3/Al. During device operation, we measured the electric field of α-NPD and EL intensity distributions on the surface of light emitting layer, and showed the relationship between the interfacial accumulation charge distribution and EL light intensity distribution. Results were analyzed based on the Maxwell-Wagner effect model.

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  • Electrochemical methods coupled with impedance measurement for energy gap study: Correlation between the energy states and charge transport properties (vol 162, pg 2236, 2012)

    Martin Weis, Keanchuan Lee, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    SYNTHETIC METALS   188   175 - 175   2014.2

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  • 研究室紹介 東京工業大学 大学院理工学研究科 電子物理工学専攻 : 電気電子物性講座 電子物性工学分野研究室

    岩本 光正, 間中 孝彰

    光アライアンス   25 ( 1 )   57 - 60   2014.1

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  • 電界誘起光第2次高調波発生法によるIZO/α-NPD/Alq3/Al積層有機EL素子中のトラップ電荷の直接測定

    田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • TRM-SHG法によるTIPSペンタセンFETにおけるキャリア輸送の温度依存性評価

    間中孝彰, 松原幸平, 田口大, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   2014

  • 過渡電流測定法及び電界誘起光第二次高調波発生法によるITO/Polyimide/C60/Alのキャリア挙動の評価とMaxwell-Wagner効果モデルによる解析

    中村大二郎, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   2014

  • Forefront of the Studies of Organic Dielectrics, Conductive Electrical and Electronic Materials and Cultural Exchange with Asian Countries

    岩本光正, 小野田光宣, 間中孝彰, 伊東栄次, 臼井博明, 大澤利幸, 奥崎秀典, 梶井博武, 鎌田俊英, 工藤一浩, 杉村明彦, 馬場暁, 山田俊樹

    電気学会技術報告   ( 1318 )   2014

  • 表面グラフト化ポリアスパルテート薄膜の配向構造と光学特性

    伊東成晃, 間中孝彰, 岩本光正, 古屋秀峰

    高分子学会予稿集(CD-ROM)   63 ( 1 )   2014

  • 軸対称偏光レーザー顕微電界誘起光第二次高調波発生測定法による有機EL素子の電界分布,界面電荷分布,発光強度分布の評価

    貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   2014

  • 熱刺激電界誘起光第2次高調波発生測定によるIZO/α-NPD/Alq3/Al積層型有機EL素子中に蓄積するホールのエネルギ準位の測定

    田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   2014

  • 電界誘起光第二次高調波発生法によるIZO/PMMA/α-NPD/Auの電界分布測定と電気伝導機構の解析

    西翔平, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   75th   2014

  • 電界誘起光第2次高調波発生(EFISHG)法による有機薄膜太陽電池の光起電力の直接測定

    住吉良太, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 電界誘起光第二次高調波発生法によるAu/pentacene/CYTOP/ITOの電界分布測定と電気伝導機構の解析

    西翔平, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 電界誘起光第二次高調波発生及びpre-bias手法を用いたペンタセンFETのキャリア挙動評価

    竹尾淳司, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • ブリュースター角顕微鏡及び光第二次高調波発生によるリン脂質Langmuir膜の分極イメージング

    福永啓, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 電界誘起光第2次高調波発生法による2層積層有機EL(ITO/CBP:Ir(ppy)3/Alq3/Al)の絶縁破壊前電荷蓄積現象の直接評価

    田口大, 海原一馬, 間中孝彰, 岩本光正, 篠竜徳

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 多光子円偏光励起によるキラルポリジアセチレン薄膜の形成

    間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • EFISHG法及び変位電流測定を用いた2層積層型有機EL素子における放電過程の解析

    海原一馬, 田口大, 貞方敦雄, 貞方敦雄, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 顕微電界誘起光第二次高調波発生測定法を用いた二層積層有機EL素子の界面蓄積電荷分布およびEL発光強度の評価

    貞方敦雄, 貞方敦雄, 矢野椋太, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 過渡電流測定法と電界誘起光第二次高調波発生法によるITO/PI/C60/Alのキャリヤ挙動解析

    中村大二郎, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 変位電流測定とEFISHG測定による2層有機素子のキャリヤ挙動解析

    野間大史, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 電界誘起光第2次高調波発生法による有機IZO/α-NPD/Alq3/Al素子の絶縁破壊前駆現象の検出

    中本遼, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • 熱刺激電流測定法による有機電気光学デバイスの熱安定性の評価 III

    杵村和彦, 杵村和彦, 池本龍馬, 池本龍馬, 山田俊樹, 山田俊樹, 大友明, 大友明, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   61st   2014

  • Evaluation of Thermal Stability of Organic Electric Optical Device by Thermally Stimulated Depolarization Current Measurement: II

    池本龍馬, 杵村和彦, 山田俊樹, 大友明, 田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   114 ( 95(CPM2014 28-42) )   2014

  • Direct observation of anisotropic carrier transport in aligned organic semiconductor films by using time-resolved EFISHG measurement

    Manaka Takaaki, ABE Kentaro, MATSUBARA Kohei, Iwamoto Mitsumasa

    Technical report of IEICE. OPE   113 ( 313 )   29 - 34   2013.11

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    Anisotropic carrier transport in single-crystalline grains of the dip-coated 6,13-Bis(triisopropylsilylethynyl) (TIPS) pentacene film and uniaxially aligned fluorine co-polymer film is studied by using the time-resolved microscopic optical second harmonic generation (TRM-SHG) measurement. The TRM-SHG imaging directly visualizes a difference in the transient carrier velocity along various transport direction in the aligned film at a time. Coupled with the temperature dependence measurement, this method enables us to evaluate the activation energies of the carrier transport along any directions.

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  • Probing of internal electric field in multilayer-type organic thin film solar cells by using electric-field-induced optical second-harmonic generation measurement

    SUMIYOSHI Ryota, TAGUCHI Dai, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report. EMD   113 ( 96 )   1 - 6   2013.6

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    By using electric-field-induced optical second-harmonic generation (EFISHG) measurement, we probed the internal electric field formed in double-layer organic solar cells (OSCs) with and without bathocuproine (BCP) interface layer (IZO/pentacene/C_<60>/Al and IZO/pentacene/C_<60>/BCP/Al). Results showed that, in OSCs without BCP layer, the internal field (|E_0|=1.6×10^4 V/cm) is pointing in the direction from the IZO to the Al electrode in OSCs without BCP layer, whereas the internal field (|E_0|=6.7×10^4 V/cm) is pointing from the Al electrode to the IZO electrode in OSCs with BCP layer. In the OSCs with BCP layer, the internal field conveys holes (electrons) to the IZO (Al) electrode. As the result, short-circuit current under illumination is enhanced in the OSCs with the BCP layer.

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  • Direct evaluation of anisotropic carrier mobility in organic semiconductor films by using time-resolved EFISHG measurement

    Abe Kentaro, Manaka Takaaki, Iwamoto Mitsumasa

    IEICE technical report. EMD   113 ( 96 )   7 - 12   2013.6

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    Anisotropic carrier transport in oriented organic polymer semiconductor film is studied by using the time-resolved microscopic optical second harmonic generation (TRM-SHG) measurement. The TRM-SHG imaging directly visualizes a difference in the transient carrier velocity along various transport direction in the oriented polymer film at a time. Coupled with the temperature dependence measurement, this method enables us to evaluate the activation energies of the carrier transport along any directions.

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  • A novel optical second-harmonic generation technique for analyzing carrier-dynamics in organic devices

    IWAMOTO Mitsumasa, MANAKA Takaaki

    応用物理   82 ( 6 )   487 - 492   2013.6

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  • Transient carrier dynamics in organic devices studied by using optical second harmonic generation

    MANAKA Takaaki, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2013 ( 49 )   35 - 39   2013.5

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  • 有機半導体薄膜における移動度異方性の直接評価

    間中 孝彰, 岩本 光正

    Molecular electronics and bioelectronics   24 ( 2 )   107(45) - 110(48)   2013.5

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  • CS-4-8 Direct evaluation of anisotropic carrier mobility in organic semiconductor films by using time-resolved microscopic SHG technique

    Manaka Takaaki, Abe Kentaro, Iwamoto Mitsumasa

    Proceedings of the IEICE General Conference   2013 ( 2 )   "S - 25"-"S-26"   2013.3

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  • 電界誘起光第2次高調波発生法による2層積層有機EL(IZO/α-NPD/Alq3/Al)の劣化前駆現象の測定

    田口大, 中本遼, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • EFISHG法によるフレキシブルOFETの曲げ変形効果の解析

    阿部洋平, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 熱刺激電流測定法による側鎖型電気光学ポリマーの熱安定性評価

    MO Xuepeng, MO Xuepeng, 杵村和彦, 杵村和彦, 山田俊樹, 山田俊樹, 大友明, 大友明, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • Evaluation of Thermal Stability of Organic Electric Optical Device by Thermally Stimulated Depolarization Currrent Measuermant

    杵村和彦, 池本龍馬, 山田俊樹, 山田俊樹, 大友明, 大友明, 田口大, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   113 ( 243(OME2013 51-67) )   2013

  • TIPSペンタセンFETにおける移動度異方性の直接的評価

    間中孝彰, 安倍健太郎, 田口大, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 交流電界下のMaxwell-Wagner効果とベシクル変形の解析と測定

    歌丸集, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 電荷変調分光法(CMS法)を用いた二層積層型OFETにおける両極性動作の評価

    小俣宏貴, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 時間分解EFISHG法による有機半導体薄膜における移動度異方性の直接観測

    安部健太郎, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 電界誘起光第二次高調波発生測定を用いた二層積層有機EL素子からEL発光モードと界面蓄積電荷の挙動についての考察

    貞方敦雄, 田口大, 福澤雅弘, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 光第二次高調波発生によるリン脂質Langmuir膜の分極イメージングとその理論解析

    松岡洋平, 福永啓, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • TRM-SHG法による両極性有機発光トランジスタのキャリヤ挙動の観測

    益子泰裕, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 電界誘起光第二次高調波発生法を用いた2層積層有機EL素子のキャリア挙動の電極依存性

    海原一馬, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • EFISHG法による積層有機太陽電池(Pentacene/C60/BCP)の内部電界測定

    田口大, 住吉良太, CHEN Xiangyu, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • トラップキャリア量制御によるペンタセンFETの過渡的移動度変化

    竹尾淳司, 間中孝彰, 岩本光正

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   60th   2013

  • 電場誘起の光第2次高調波発生測定法によるSiO2-SiN積層膜中の電荷分布評価

    竹内宏樹, 中村邦彦, 内藤康幸, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • 電界誘起光第二次高調波発生法による2層積層型有機EL素子の放電過程の解析

    海原一馬, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • 分析・計測技術の最新動向 有機太陽電池用界面電界・寿命評価装置

    田口大, 間中孝彰, 岩本光正

    クリーンテクノロジー   23 ( 9 )   2013

  • 電界誘起光第二次高調波発生およびインピーダンス分光法による有機EL素子のホール注入層の評価

    西翔平, 貞方敦雄, 田口大, 間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • 電界誘起光第2次高調波発生法・電荷変調分光法によるキャリヤ輸送の評価

    岩本光正, 間中孝彰

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • 有機デバイスの界面におけるキャリア挙動~SHG測定からわかること~

    間中孝彰, 岩本光正

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   74th   2013

  • Analysis of flexible OFET characteristics by using EFI-SHG:the effect of bending

    ABE Yohei, TAGUCHI Dai, MANAKA Takaaki, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   112 ( 295 )   13 - 18   2012.11

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    We studied the effect of bending on flexible organic field-effect transistors (active layer: TIPS pentacene, gate-insulator: polyimide) in terms of transfer characteristics. Results showed that the effective carrier mobility increased 〜30% with 1.5% mechanical strain (compressive stress), whereas it decreased 〜15% with -1.5% strain (tensile stress). Theoretical analysis based on the Maxwell-Wagner effect was carried out, and suggested that both carrier mobility and carrier density in the OFET channel were modulated due to the mechanical strains. The microscopic EFISHG image showed that the carrier transport was governed by grains of tips-pentacene. The microscopic EFISHG observation is a powerful tool to investigate carrier processes in flexible OFETs subjected to mechanical strains.

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  • Influence of grain size on evaluation of the electric field in the organic FET

    MATSUBARA Kohei, MANAKA Takaaki, TAGUCHI Dai, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   112 ( 244 )   1 - 6   2012.10

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    The electric field distribution which governs carrier behaviors in the organic devices can be evaluated by using the electric field induced second harmonic generation (EFISHG) measurement. The SHG signal strongly depends on the materials used in the devices and the fabrication process of devices. Here, we study the influence of grain size on the evaluation of electric fields in the organic FETs. EFISHG signals generated from fullerene FETs indicated that the film is optically isotropic, whereas that from pentacene FET has small anisotropy. The main reason of this difference in the SHG is ascribed to the grain size, where the grain size of the vacuum deposited fullerene and pentacene film are approximately 20nm and 500nm, respectively.

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  • CS-5-8 Optical spectroscopic measurement of Electric field and carrier distribution in organic FET

    Manaka Takaaki, Iwamoto Mitsumasa

    Proceedings of the IEICE General Conference   2012 ( 2 )   "S - 27"   2012.3

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  • 有機太陽電池用界面電界・寿命評価装置の開発 (特集 先端計測分析技術の開発)

    田口 大, 間中 孝彰, 岩本 光正

    ケミカルエンジニヤリング   57 ( 1 )   1 - 5   2012.1

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  • 有機デバイスのキャリヤ輸送の直接評価

    岩本光正, 間中孝彰

    電気学会全国大会講演論文集   2012 ( 2 )   2012

  • 熱刺激電流測定法による有機電気光学デバイスの熱安定性評価 II

    MO Xuepeng, 杵村和彦, 山田俊樹, 大友明, MO Xuepeng, 杵村和彦, 山田俊樹, 大友明, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • 電界誘起光第二次高調波発生測定による正孔注入層を用いた有機EL素子のキャリヤ挙動の評価

    貞方敦雄, 海原一馬, 尾田良晶, 田口大, 福澤雅弘, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • TRM-SHG法によるポリビニルフェノールをゲート絶縁膜とするペンタセンFETの自発的チャネル形成過程の直接観察

    正田洋, 田口大, 間中孝彰, 岩本光正, 飯塚徹也, 西浦崇雄, 竹森利郁

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 弾性歪みによる有機トランジスタのキャリア挙動の変化の解析

    山本哲也, 阿部洋平, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 光第二次高調波測定によるリン脂質Langmuir膜の分極構造の評価

    松岡洋平, 松原幸平, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • ペンタセンFET素子における過渡的なキャリア輸送とトラップ準位の評価

    間中孝彰, 竹尾淳司, 岩本光正, LIU Fei

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • 時間分解顕微光第二次高調波測定によるペンタセンFET素子のキャリア輸送とトラップ準位の評価

    田中康之, 間中孝彰, 岩本光正, LIU Fei

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 電界誘起SHG法によるPentacene/C60太陽電池の界面電荷量の測定とBCP層による開放電圧向上の検討

    田口大, 住吉良太, CHEN X., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 有機発光トランジスタの発光時における電界分布の解析

    益子泰裕, 田口大, LIM Eunju, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • EFISHG測定によるフラーレン内部電界の直接測定

    田口大, 住吉良太, CHEN X., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • 軸対称偏光SHG顕微装置による有機デバイスの膜厚方向電界測定

    田口大, 間中孝彰, 岩本光正, 烏田哲州, 京増幹雄

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 有機発光トランジスタの発光時の電界分布:EFISHG測定

    益子泰裕, 田口大, LIM Eunju, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 円偏光2光子重合によるキラルポリジアセチレン薄膜の作製

    間中孝彰, 金英輝, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 交流電界印加におけるベシクル変形

    歌丸集, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 積層構造の異なるOLED素子の電荷挙動解析

    篠竜徳, 下平祥貴, 近藤邦夫, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   73rd   2012

  • 電界誘起光第2次高調波発生法による2層積層EL素子のEL発光モードのキャリア挙動の評価

    貞方敦雄, 長田憲司朗, 田口大, 山本哲也, 福澤雅弘, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • 過渡EL測定を用いた2層積層有機EL素子のキャリヤ挙動の解析:交流矩形波電圧のデューディ比依存特性

    長田憲司朗, 貞方敦雄, 田口大, 山本哲也, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   59th   2012

  • Studying carrier behavior in solution processed TIPS pentacene FET using TRM-SHG

    MANAKA Takaaki, SHIBATA Yusuke, IWAMOTO Mitsumasa

    IEICE technical report   111 ( 109 )   47 - 52   2011.6

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    The carrier behavior inside the grain and at the grain boundary of TIPS pentacene field effect transistor (FET) was studied by the time-resolved microscopic second harmonic generation (TRM-SHG) measurement. Under the pulse voltage operation of the organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. Under the positive pulse application to the source electrode, holes are injected from source electrode and are transported along the channel. According to the carrier transport, emission band of SHG signal, which is visualized by the cooled CCD, gradually moves in the channel from source to drain electrode with an increase in delay time. In the TIPS pentacene FET, it was found that the carrier transport was smooth inside the grain; on the other hand, it was inhibited at the grain boundary. Potential drop was clearly observed at the grain boundary. After turning off the voltage, SHG emission at the boundary was remained, indicating carriers are trapped at the grain boundary.

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  • Investigation of Poly(diacetylene) Film Prepared on Chiral Surface

    KOHN Hideki, SHINO Tatsunori, OHSHIMA Yuki, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   111 ( 5 )   5 - 8   2011.4

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    Poly(diacetylene)[PDA] film can possess chirality via circularly polarized photo-polymerization (CPPP) from the precursor diacetylene (DA) film, and its morphological change between PDA films prepared using left- and right-circularly polarized light (CPL) is not observed. In this presentation, we discuss the chirality or morphological change induced at the step of preparation of DA film. Large anisotropic refractive index was shown in the PDA film evaporated on the chiral pMn.

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  • Investigation of the organic FET operation by SHG and CMS measurements

    MANAKA Takaaki, KAWASHIMA Satoshi, TANAKA Yasuyuki, IWAMOTO Mitsumasa

    IEICE technical report   111 ( 5 )   25 - 30   2011.4

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    Electric field induced second harmonic generation (EFISHG) and charge modulated spectroscopy (CMS) is employed to investigate the device operation of organic field effect transistors (OFETs). Since EFISHG process is activated by the local electric field in material, electric field distribution can be evaluated on the basis of the EFISHG measurement. Further, carrier dynamics in OFET is also studied using the time-resolved based measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel can be observed, and such transient electric field reflects the transient carrier motion. On the other hand, by using CMS imaging, we demonstrated that an in-plane carrier distribution in pentacene field effect transistors (FETs) is allowed to be directly probed under the device operation.

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  • 電荷変調分光法によるペンタセンFETにおける両極性動作の評価

    間中孝彰, 川島啓, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 光第2次高調波による有機発光トランジスタのキャリア挙動の直接観測

    大嶋優記, 平子宣明, 金英輝, 間中孝彰, 岩本光正, LIM Eunju, SIRRINGHAUS Henning

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 時間分解SHG測定によるMIS構造素子内部のキャリア挙動の評価

    宮沢亮, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 電界誘起光第2次高調波発生法による有機2層積層太陽電池のキャリアライフタイム解析

    田口大, 篠竜徳, CHEN Xiangyu, ZHANG Le, LI Jun, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 2層積層型有機薄膜太陽電池の電荷蓄積過程と内部電界の評価

    篠竜徳, 田口大, CHEN X, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • キラルなポリマー上に蒸着したDiacetylene膜の評価

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 水面上単分子膜ドメインが蓄積する静電エネルギーのFrank弾性エネルギーと異方的線張力への寄与

    山本哲也, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   72nd   2011

  • 交流電圧駆動によるITO/α-NPD/Alq3/AlのEL発光の周波数依存特性-伝達関数及びマクスウェル・ワグナー効果に基づく解析-

    貞方敦雄, 山本哲也, 田口大, 福澤雅弘, 間中孝彰, 岩本光正

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2011   2011

  • ポリビニルフェノールを絶縁膜としたペンタセンFETのTRM-SHG測定によるキャリア伝播の直接観察

    正田洋, 田口大, 間中孝彰, 岩本光正, 西浦崇雄, 飯塚徹也, 竹森利郁

    応用物理学会学術講演会講演予稿集(CD-ROM)   72nd   2011

  • EFISHG測定によるITO/PI/P3HT/Au構造素子内のP3HT層の電界分布評価

    宮沢亮, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   72nd   2011

  • Recent Research Trend of Functional Organic Thin Layer

    馬場暁, 間中孝彰, 多田和也

    電気学会誘電・絶縁材料研究会資料   DEI-11 ( 42-53 )   2011

  • 光第2次高調波発生法による2層有機EL界面電荷蓄積現象の測定と再結合発光するMaxwell-Wagner効果素子としての解析

    田口大, 間中孝彰, 岩本光正

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2011   2011

  • SHGイメージングによるペンタセンFETのチャネル形成過程の直接観測

    正田洋, 田口大, 間中孝彰, 岩本光正

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2011   2011

  • 電界誘起SHG法による積層有機太陽電池の界面蓄積電荷量の測定と開放電圧発生機構の検討

    田口大, CHEN X., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   72nd   2011

  • TIPSペンタセンFETのグレイン境界におけるキャリア挙動

    間中孝彰, 柴田雄介, 阿部洋平, 山本哲也, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   72nd   2011

  • 熱刺激電流測定法による有機EO素子の熱安定性評価

    上原茂雄, 山田俊樹, 山田俊樹, 大友明, 大友明, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • 時間分解顕微SHG法による有機FET素子のトラップキャリア評価

    田中康之, 間中孝彰, 岩本光正

    電気学会基礎・材料・共通部門大会講演論文集(CD-ROM)   2011   2011

  • IZO/α-NPD/Alq3/Al構造EL素子の発光強度の周波数依存特性

    貞方敦雄, 大嶋優記, 田口大, 福澤雅弘, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   58th   2011

  • Mechanism of electroluminescence in tetracene field-effect transistor under a pulse voltage application

    OHSHIMA Yuki, KOHN Hideki, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   110 ( 276 )   1 - 5   2010.11

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    By using electric field induced optical second harmonic generation (EFISHG), we clarified the mechanism of electroluminescence (EL) from tetracene field-effect transistor under a pulse voltage application. The results indicate that the electric field formed by accumulated holes made electrons be injected from metal electrode and the injected electrons recombined with accumulated holes leading to the EL emission. We also clarified the details of trapped hole behavior by using EFISHG measurement. This technique is useful to understand carrier behavior leading to EL.

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  • CS-7-8 Probing of Carrier Behavior in ITO/PI/P3HT/Au Device by TRM-SHG Measurement

    Miyazawa Ryo, Taguchi Dai, Manaka Takaaki, Iwamoto Mitsumasa

    Proceedings of the Society Conference of IEICE   2010 ( 2 )   "S - 19"-"S-20"   2010.8

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  • Optical measurements for investigating carrier dynamics in the organic thin-film transistors

    MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   110 ( 16 )   59 - 64   2010.4

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    The carrier dynamics in pentacene field effect transistor (FET) is studied using the time-resolved microscopic second harmonic generation (TRM-SHG) measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. The time-evolution of the electric field directly reflects the transient carrier motion, because carrier is one of the sources of electric field. Such transient carrier behaviors are analyzed on the basis of the theoretical calculation by solving a set of device equation and on the basis of the equivalent circuit model. We believe that TRM-SHG becomes one of the most powerful tools to study the carrier dynamics with high spatial and temporal resolutions.

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  • Analysis of Organic Light-Emitting Diode As a Maxwell-Wagner Effect Element by Time-Resolved Optical Second Harmonic Generation Measurement

    Dai Taguchi, Shio Inoue, Le Zhang, Jun Li, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF PHYSICAL CHEMISTRY LETTERS   1 ( 5 )   803 - 807   2010.3

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  • Carrier dynamics in organic FET

    MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   109 ( 359 )   1 - 6   2010.1

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    The carrier dynamics in pentacene field effect transistor (FET) was studied on the basis of the time-resolved microscopic second harmonic generation (TRM-SHG) measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. The time-evolution of the electric field directly reflects the transient carrier motion, because carrier is one of the sources of electric field. Such transient carrier behaviors are analyzed on the basis of the theoretical calculation by solving a set of device equation and on the basis of the equivalent circuit model. We believe that TRM-SHG becomes one of the most powerful tools to study the carrier dynamics with high spatial and temporal resolutions.

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  • 電荷変調反射イメージングによる有機FET動作時におけるキャリア分布評価

    川島啓, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • キラルポリジアセチレン薄膜の作製に及ぼす円偏光・キラル界面の効果

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    高分子学会予稿集(CD-ROM)   59 ( 2 Disk1 )   2010

  • 光第2次高調波による有機デバイスのキャリヤ輸送の評価

    岩本光正, 間中孝彰, 田口大

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • ペンタセン薄膜の光電流と光起電力効果

    篠竜徳, 金英輝, 田口大, WEIS Martin, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • 電場誘起光第2次高調波発生法による2層有機ELの過渡電荷測定とMaxwell-Wagner素子としてのキャリア挙動の解析

    田口大, ZHANG Le, LI Jun, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • 熱刺激電流測定法を用いた電気光学色素の配向緩和の評価

    上原茂雄, 上原茂雄, 山田俊樹, 山田俊樹, 大友明, 大友明, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • SHG-CMSイメージングによる有機FETチャネル間の移動度マッピング

    間中孝彰, 川島啓, 田中康之, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • IZO/Pentacene/C60/metal構造素子の光電流とEFISHGによる内部電界評価

    篠竜徳, 田口大, 金英輝, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集(CD-ROM)   71st   2010

  • 電場誘起光第2次高調波発生による有機EL積層界面の電荷蓄積と輝度劣化特性の評価

    田口大, ZHANG Le, WEIS Martin, WEIS Martin, 長田憲司朗, LI Jun, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • 電界誘起光第2次高調波測定によるペンタセンFET素子のトラップキャリヤの評価

    田中康之, 間中孝彰, 岩本光正, LIU Fei

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • 時間分解SHGによるペンタセンFETにおける両極性動作の評価

    間中孝彰, 田中康之, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • キラルなポリジアセチレン薄膜を用いた発光現象の検討

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • EFISHGおよびCMSによるITO/PI/P3HT/Au構造素子の電界分布測定

    宮沢亮, 田口大, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • 直流及び交流電界下の単層テトラセンのEL発光強度の測定

    貞方敦雄, 福澤雅弘, 日高正輝, 間中孝彰, 田口大, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • 電場変調吸収法およびEFI-SHG法によるITO/α-NPD/Alq3/Al素子内の電界分布評価

    井上志生, 田口大, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • Preparation of Chiral Poly(diacetylene) Film and Study of Its Polymerization Process

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   110 ( 99(EMD2010 9-16) )   2010

  • 有機EL現象における材料内部の電界分布とキャリア挙動の評価

    大嶋優記, 佐藤英樹, 平子宣明, 金英輝, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集(CD-ROM)   57th   2010

  • Dipolar electrostatic energy effect on relaxation process of monolayers at air-water interface: Analysis of thermodynamics and kinetics

    Wei Ou-Yang, Martin Weis, Keanchuan Lee, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   131 ( 24 )   244709   2009.12

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  • Probing of carrier behavior in organic electroluminescent diode using electric field induced optical second-harmonic generation measurement

    Dai Taguchi, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   95 ( 26 )   263310/1-263310/3   2009.12

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  • Probing the electric field in organic double layer-system by optical second harmonic generation

    Eunju Lim, Yoshinori Shibata, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   893 - 895   2009.11

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  • Solid polymerization and supramolecular chirality formation of azobenzene substituted diacetylene Langmuir-Blodgett films

    Gang Zou, Xian You, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   750 - 753   2009.11

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  • Thermionic emission model for contact resistance in organic field-effect transistor

    Martin Weis, Motoharu Nakao, Jack Lin, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   795 - 798   2009.11

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  • Effect of orientational order of tris(8-hydroxyquinolinato)aluminum(III) on electroabsorption

    Dai Taguchi, Shio Inoue, Ryo Miyazawa, Wangcen Qin, Takashi Kawate, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   754 - 757   2009.11

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  • Space charge field effect on light emitting from tetracene field-effect transistor under AC electric field

    Yuki Ohshima, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   583 - 587   2009.11

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  • Transient charge accumulation in pentacene field effect transistor with silver electrode

    Takaaki Manaka, Motoharu Nakao, Martin Weis, Fei Liu, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   485 - 488   2009.11

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  • Preparation of chiral poly(diacetylene) films from 10,12-pentacosadiynoic acid using circularly polarized light

    Hideki Kohn, Tatsunori Shino, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   842 - 844   2009.11

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  • Carrier injection and transport in organic field-effect transistor investigated by impedance spectroscopy

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   518 ( 2 )   448 - 451   2009.11

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  • Analysis of Transient Currents in Organic Field Effect Transistor: The Time-of-Flight Method

    Martin Weis, Jack Lin, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF PHYSICAL CHEMISTRY C   113 ( 43 )   18459 - 18461   2009.10

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  • Study of phase transition of two-dimensional ferroelectric copolymer P(VDF-TrFE) Langmuir monolayer by Maxwell displacement current and Brewster angle microscopy

    Wei Ou-Yang, Martin Weis, Xiangyu Chen, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   131 ( 10 )   104702   2009.9

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  • Carrier and electric field distribution in organic FET studied by the microscopic SHG and Raman imaging

    MANAKA Takaaki, KAWASHIMA Satoshi, TANAKA Yasuyuki, IWAMOTO Mitsumasa

    IEICE technical report   109 ( 184 )   13 - 18   2009.8

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    Since current flowing in the materials is expressed as J=enμE, evaluation of each parameters, i.e., carrier density (en), mobility (μ) and electric field (E), is of great importance to discuss the device operation from a fundamental point of view. Recently, we have developed a procedure for evaluating electric field distribution in the organic thin-film transistors (OTFT) on the basis of the electric field induced SHG. Using this method, electric field distribution in the OFET could be evaluated with high spatial resolution. In this study, Raman imaging is conducted to observe the injected carrier distribution in the OTFT. It was found that Raman distribution strongly depends on the bias condition. And interestingly, large Raman signal was observed at source edge, and it decreased along the channel toward drain electrode at the on state of the OTFT. This clearly reflects the carrier distribution in the channel under the device operation. Well-known current equation J=enμE indicates that the carrier density and the electric field has a complementally relation, whdn mobility is constant. In the presentation, relationship between the carrier density and the electric field those are respectively evaluated by the Raman and SHG measurements will be discussed.

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  • Displacement current analysis of carrier behavior in pentacene field effect transistor with poly(vinylidene fluoride and tetrafluoroethylene) gate insulator

    Shuhei Yoshita, Ryousuke Tamura, Dai Taguchi, Martin Weis, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   106 ( 2 )   24505   2009.7

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  • Probing of channel region in pentacene field effect transistor by optical second harmonic generation

    Eunju Lim, Daisuke Yamada, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   477 ( 1-3 )   221 - 224   2009.7

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  • Probing carrier injection into pentacene field effect transistor by time-resolved microscopic optical second harmonic generation measurement

    Motoharu Nakao, Takaaki Manaka, Martin Weis, Eunju Lim, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   106 ( 1 )   14511   2009.7

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  • Study of injected carrier energetics in organic-field-effect-transistor by charge modulation spectroscopy

    MIYAZAWA Ryo, TAGUCHI Dai, WEIS Martin, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   109 ( 90 )   23 - 26   2009.6

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    We measured CMS spectra and C-V characteristics of P3HT MIS diodes. The CMS spectra and C-V characteristics showed that injected holes from base-Au electrode were accumulated at the semiconductor/insulator interface in P3HT layer. Photo-illumination and d.c biasing caused threshold voltage shift, suggesting the accumulation of excited electrons form P3HT as well as of injected holes form electrodes. Experimental results and analysis show the presence of interfacial states at the P3HT and PI interface as well as polaron states in the P3HT.

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  • Mobility Measurement Based on Visualized Electric Field Migration in Organic Field-Effect Transistors

    Takaaki Manaka, Fei Liu, Martin Weis, Mitsumasa Iwamoto

    APPLIED PHYSICS EXPRESS   2 ( 6 )   61501   2009.6

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  • Studying Transient Carrier Behaviors in Pentacene Field Effect Transistors Using Visualized Electric Field Migration

    Takaaki Manaka, Fei Liu, Martin Weis, Mitsumasa Iwamoto

    JOURNAL OF PHYSICAL CHEMISTRY C   113 ( 23 )   10279 - 10284   2009.6

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  • Effect of insulating layer on the transport properties of pentacene FET : Interfacial trap effect observed by the TRM-SHG

    MANAKA Takaaki, LIU Fei, NAKAO Motonaru, MARTIN Weis, IWAMOTO Mitsumasa

    IEICE technical report   109 ( 48 )   49 - 54   2009.5

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    The carrier behavior in pentacene field effect transistor (FET) was studied by the time-resolved microscopic second harmonic generation (TRM-SHG) measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. Under the positive pulse application to the drain electrode, emission band of SHG signal, which is visualized by the cooled CCD, gradually moves in the channel from source to drain electrode with an increase in delay time. It was found that the visualized electric field profiles were significantly different between the pentacene organic field-effect transistors (OFETs) with the insulators SiO_2 and polymethyl methacrylate (PMMA). These differences is attributed to a higher trapped carrier density in the OFETs with the PMMA insulator. Theoretical calculation based on the multiple trapping and releasing model successfully reproduced such a carrier dynamics in these devices.

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  • Electrostatic origin of the Frank elastic energy and anisotropic line tension of the domains in monolayers at the air-water interface

    T. Yamamoto, T. Manaka, M. Iwamoto

    European Physical Journal E   29 ( 1 )   1 - 8   2009.5

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  • Preparation and atomic force microscopy observation of lipid membranes on micro-patterned self-assembled monolayers

    Yasuhiro Nishimura, Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   517 ( 11 )   3227 - 3229   2009.4

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  • Effect of Space-Charge Field on Injection Properties in Organic Sandwiched Structures

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 4 )   04C173   2009.4

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  • Preparation and atomic force microscopy observation of lipid membranes on micro-patterned self-assembled monolayers

    Yasuhiro Nishimura, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   517 ( 11 )   3227 - 3229   2009.4

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  • C-13-3 Preparation of chiral polydiacetylene film by circularly polarized light irradiation and an effect of substrate temperature

    Kohn Hideki, Shino Tatsunori, Ohshima Yuki, Manaka Takaaki, Iwamoto Mitsumasa

    Proceedings of the IEICE General Conference   2009 ( 2 )   164 - 164   2009.3

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  • Effect of external electrostatic charge on condensed phase domains at the air-water interface: Experiment and shape equation analysis

    Wei Ou-Yang, Martin Weis, Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   130 ( 10 )   2009.3

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  • Effect of external electrostatic charge on condensed phase domains at the air-water interface: Experiment and shape equation analysis

    Wei Ou-Yang, Martin Weis, Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   130 ( 10 )   104706   2009.3

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  • Analysis of pentacene field-effect transistor with a ferroelectric P(VDF-TeFE) gate insulator as an element of Maxwell-Wagner effect system

    Ryousuke Tamura, Shuhei Yoshita, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   48 ( 2 )   21501   2009.2

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  • Analysis of Pentacene Field-Effect Transistor with a Ferroelectric P(VDF-TeFE) Gate Insulator as an Element of Maxwell-Wagner Effect System

    Ryousuke Tamura, Shuhei Yoshita, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 2 )   21501   2009.2

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  • Probing Electric Field Distribution in Underlayer of an Organic Double-Layer System by Optical Second-Harmonic Generation Measurement

    Yoshinori Shibata, Motoharu Nakao, Takaaki Manaka, Eunju Lim, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   48 ( 2 )   021504   2009.2

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  • Origin of electric field distribution in organic field-effect transistor: Experiment and analysis

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   105 ( 2 )   24505   2009.1

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  • Carrier injection and transport in organic field-effect transistor investigated by impedance spectroscopy

    Jack Lin, Martin Weis, Dai Taguchi, Takaaki Manaka, MITSUMASA IWAMOTO

    Thin Solid Films   518 ( 2 )   448 - 451   2009

  • Observation of electron injection in organic field-effect transistor with electroluminescence

    Yuki Ohshima, Hideki Kohn, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    Materials Science Poland   27 ( 3 )   719   2009

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  • Circular dichroism and electroluminescence of poly(diacetylene) film with chirality

    H. Kohn, M. Fukada, Y. Ohshima, T. Manaka, M. Iwamoto

    MATERIALS SCIENCE-POLAND   27 ( 3 )   727 - 734   2009

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  • Analysis of Pentacene Field-Effect Transistor with a Ferroelectric P(VDF-TeFE) Gate Insulator as an element of Maxwell-Wagner Effect System

    Ryousuke Tamura, Shuhei Yoshita, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   48   21501   2009

  • Origin of electric field distribution in organic field-effect transistor: Experiment and analysis

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    J. Appl. Phys.   105   024505   2009

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  • Spontaneous Orientational Ordering of Liquid Crystal Layer During Evaporation onto Silica

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    Molecular Crystals and Liquid Crystals   2009

  • Spontaneous Orientational Ordering of Liquid Crystal Layer During Evaporation onto Silica

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   512   1946 - 1954   2009

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  • Origin of electric field distribution in organic field-effect transistor: Experiment and analysis

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   105 ( 2 )   024505   2009

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  • Observation of electron injection in an organic field-effect transistor with electroluminescence

    Y. Ohshima, H. Kohn, E. Lim, T. Manaka, M. Iwamoto

    MATERIALS SCIENCE-POLAND   27 ( 3 )   719 - 726   2009

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  • Ambipolar injection into pentacene field effect transistor observed by time-resolved optical second harmonic generation imaging

    T. Manaka, M. Nakao, E. Lim, M. Iwamoto

    MATERIALS SCIENCE-POLAND   27 ( 3 )   709 - 717   2009

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  • Spontaneous Orientational Ordering of Liquid Crystal Layer During Evaporation onto Silica

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   512   1946 - 1954   2009

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  • Circular dichroism and electroluminescence of poly(diacetylene) film with chirality

    H. Kohn, M. Fukada, Y. Ohshima, T. Manaka, M. Iwamoto

    MATERIALS SCIENCE-POLAND   27 ( 3 )   727 - 734   2009

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  • Spontaneous Orientational Ordering of Liquid Crystal Layer During Evaporation onto Silica

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    Molecular Crystals and Liquid Crystals   2009

  • Preparation and atomic force microscopy observation of lipid membranes on micro-patterned self-assembled monolayers

    Yasuhiro Nishimura, Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   2009

  • Effect of external electrostatic charge on condensed phase domains at the air-water interface: experiment and shape equation analysis

    Wei Ou-Yang, Martin Weis, Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    2009

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  • Origin of electric field distribution in organic field-effect transistor: Experiment and analysis

    Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   105 ( 2 )   24505   2009

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  • Spontaneous Orientational Ordering of Liquid Crystal Layer During Evaporation onto Silica

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   512   1946 - 1954   2009

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  • Evaluation of charge accumulation time in organic electroluminescence device by optical electric-field induced second-harmonic generation measurement

    田口大, 長田憲司朗, WEIS Martin, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   109 ( 283 )   19 - 23   2009

  • Observation of electron injection in an organic field-effect transistor with electroluminescence

    Y. Ohshima, H. Kohn, E. Lim, T. Manaka, M. Iwamoto

    MATERIALS SCIENCE-POLAND   27 ( 3 )   719 - 726   2009

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  • Control and modulation of chirality for azobenzene-substituted polydiacetylene LB films with circularly polarized light

    Gang Zou, Hao Jiang, Hideki Kohn, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL COMMUNICATIONS   48 ( 37 )   5627 - 5629   2009

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  • 電場変調吸収法によるITO/α-NPD/Alq3/Au素子内の電界評価

    井上志生, QIN W.C., 田口大, MARTIN Weis, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • 有機EL多層薄膜の作製と直流電圧印加における発光の測定

    福澤雅弘, 清原剛士, 松尾健志, 間中孝彰, 岩本光正

    電気関係学会九州支部連合大会講演論文集(CD-ROM)   62nd   2009

  • 表面・界面を観る非線形分光の新しい展開 電場変調吸収法によるAlq3・α-NPD薄膜の電界評価

    井上志生, 田口大, 間中孝彰, 岩本光正

    表面・界面を観る非線形分光の新しい展開 ミニ公開シンポジウム要旨集 理研シンポジウム 平成21年   2009

  • 電場誘起光第2次高調波発生(EFISHG)法による有機EL素子の過渡電界分布評価

    田口大, 長田憲司朗, WEIS M., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • 結晶構造の異なる高分子絶縁材料における不平等電界下の空間電荷電界の測定

    福澤雅弘, 江川賢祐, 岡山真治, 山根隆博, 間中孝彰, 岩本光正

    電気関係学会九州支部連合大会講演論文集(CD-ROM)   62nd   2009

  • 光第二次高調波(SHG)観測によるテトラセンFET内の電界イメージング

    佐藤英樹, 大嶋優記, 金英輝, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • 直流及び交流電界下の単層テトラセンのEL発光強度の測定

    福澤雅弘, 貞方敦雄, 日高正輝, 間中孝彰, 岩本光正

    電気関係学会九州支部連合大会講演論文集(CD-ROM)   62nd   2009

  • Measurement of EL Intensity enhanced from tetracene film under DC and AC electtric fields

    貞方敦雄, 福澤雅弘, 日高正輝, 田口大, 間中考彰, 岩本光正

    九州産業大学工学部研究報告   ( 46 )   2009

  • 電場変調分光法によるMIS構造内の蓄積キャリアの評価

    宮沢亮, 田口大, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • 直流及び交流電界下の単層テトラセンのEL発光強度の測定

    貞方敦雄, 福澤雅弘, 日高正輝, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • キラルなポリジアセチレン薄膜の作製とその発光評価

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    ポリマー材料フォーラム講演予稿集   18th   2009

  • 変位電流法によるP(VDF-TeFE)ゲート絶縁膜を持つペンタセンFETの解析

    吉田周平, 田村亮祐, 田口大, LIM E., WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • ゲート絶縁膜誘電率と有機FETキャリア移動度の関係についての解析:鏡像電荷の及ぼす効果

    田口大, WEIS M., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • 電界誘起SHG法による強誘電性ゲート絶縁膜を用いたペンタセンFET内の電界分布評価

    田村亮祐, 吉田周平, LIM E., Martin Weis, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • チャネル部のラマンイメージングによるペンタセンFETの動作評価

    間中孝彰, 川島啓, 田中康之, 岩本光正

    応用物理学会学術講演会講演予稿集   70th ( 3 )   2009

  • ペンタセンFETキャリア注入特性に及ぼす空間電荷電界の検討

    中尾元春, 間中孝彰, WEIS Martin, LIM E., 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • 第二次高調波発生法によるパラレル・アンチパラレルセル界面分子配向の評価

    川手隆司, 宮沢亮, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • パルス電圧駆動下のペンタセンFETにおけるキャリア輸送に対するトラップの影響

    間中孝彰, LIU F., WEIS M., 中尾元春, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • 電荷変調分光法による有機FET内の蓄積キャリアの評価

    宮沢亮, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • 表面・界面を観る非線形分光の新しい展開 光第2次高調波発生法による水面上・固体基板上液晶界面膜の配向評価

    田口大, 間中孝彰, 岩本光正

    表面・界面を観る非線形分光の新しい展開 ミニ公開シンポジウム要旨集 理研シンポジウム 平成21年   2009

  • 表面・界面を観る非線形分光の新しい展開 光第二次高調波測定による有機膜界面のキャリヤ挙動の評価

    岩本光正, 間中孝彰

    表面・界面を観る非線形分光の新しい展開 ミニ公開シンポジウム要旨集 理研シンポジウム 平成21年   2009

  • 制御された円二色性を持つポリジアセチレン薄膜の作製

    金英輝, 篠竜徳, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • 蛍光材料を用いた有機FETからの電界誘起SHG観測

    大嶋優記, 佐藤英樹, 金英輝, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   56th ( 3 )   2009

  • Probing motion of electric dipoles and carriers in organic monolayers by Maxwell Displacement Current and optical second harmonic generation

    Mitsumasa Iwamoto, Takaaki Manaka, Tetsuya Yamamoto, Eunju Lim

    Thin Solid Films   517 ( 4 )   1312 - 1316   2008.12

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  • Evaluation of carrier injection process under AC electric field using organic EL

    OHSHIMA Yuki, KOHN Hideki, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   108 ( 348 )   19 - 24   2008.12

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    Electrons and holes were injected alternately from Au source electrode into tetracene and the electroluminescence (EL) was generated by the recombination of them in accordance with applying square wave AC voltage to the source electrode of tetracene field-effect transistor (FET). This type of EL was localized at the interface between the source electrode and the tetracene. The energy depth of the trapping states could be estimated from the analysis of EL spectrum. The EL decayed periodically and the decay had a certain time constant. We could understand the carrier behavior with the analysis of this decay. The space charge field effect could be also estimated using the AC voltage with DC bias voltage.

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  • Probing motion of electric dipoles and carriers in organic monolayers by Maxwell Displacement Current and optical second harmonic generation

    Mitsumasa Iwamoto, Takaaki Manaka, Tetsuya Yamamoto, Eunju Lim

    THIN SOLID FILMS   517 ( 4 )   1312 - 1316   2008.12

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  • Orientational ordering of 4-pentyl-4 '-cyanobiphenyl molecules evaporated on multi-layered polyimide film

    Dai Taguchi, Takashi Kawate, Ryo Miyazawa, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   517 ( 4 )   1407 - 1410   2008.12

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  • Observation of channel formation carriers in pentacene field-effect transistor by electric field induced optical second harmonic generation

    Eunju Lim, Daisuke Yamada, Ryousuke Tamura, Martin Weis, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   517 ( 4 )   1321 - 1323   2008.12

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  • Study of electrostatic energy contribution on monolayer domains size

    Martin Weis, Wei Ou-Yang, Takahiro Aida, Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   517 ( 4 )   1317 - 1320   2008.12

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  • 時間分解SHイメージングによる有機トランジスタ中キャリア走行の直接観測

    間中 孝彰, 林 銀珠, 田村 亮祐, 岩本 光正

    Molecular electronics and bioelectronics   19 ( 4 )   209 - 214   2008.11

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  • Injected carrier distribution in a pentacene field effect transistor probed using optical second harmonic generation

    Daisuke Yamada, Takaaki Manaka, Eunju Lim, Ryousuke Tamura, Martin Weis, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   104 ( 7 )   074502   2008.10

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  • CS-4-2 Characterization of orientational ordering of liquid crystal at the interface by optical and electrical measurements

    Taguchi Dai, Kawate Takashi, Miyazawa Ryo, Martin Weis, Manaka Takaaki, Iwamoto Mitusmasa

    Proceedings of the Society Conference of IEICE   2008 ( 2 )   "S - 10"-"S-11"   2008.9

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  • Analysis of pentacene field-effect transistor with contact resistance as an element of a Maxwell-Wagner effect system

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   104 ( 5 )   054511   2008.9

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  • Diffusionlike electric-field migration in the channel of organic field-effect transistors

    Takaaki Manaka, Fei Liu, Martin Weis, Mitsumasa Iwamoto

    PHYSICAL REVIEW B   78 ( 12 )   121302   2008.9

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  • Analysis of pentacene FET with ferroelectric gate insulator : effect of Source and Drain electrodes

    YOSHITA Shuhei, TAMURA Ryosuke, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    電子情報通信学会技術研究報告   108 ( 110 )   53 - 57   2008.6

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  • Chiral phase separation of a monolayer domain comprised of racemic mixture of chiral phospholipids due to the electrostatic energy

    Tetsuya Yamamoto, Takahiro Aida, Takaaki Manaka, Mitsumasa Iwamoto

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   321 ( 1-3 )   151 - 157   2008.5

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    DOI: 10.1016/j.colsurfa.2007.12.036

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  • Chiral phase separation of a monolayer domain comprised of racemic mixture of chiral phospholipids due to the electrostatic energy

    Tetsuya Yamamoto, Takahiro Aida, Takaaki Manaka, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   321 ( 1-3 )   151 - 157   2008.5

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  • Evaluation of carrier velocity using time-resolved optical second harmonic generation measurement

    Takaaki Manaka, Motoharu Nakao, Eunju Lim, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   92 ( 14 )   142106   2008.4

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  • Probing of channel formation in organic field-effect transistors by optical second harmonic generation measurement

    Eunju Lim, Hosik Lee, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 4 )   3179 - 3184   2008.4

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  • Orientational reordering of liquid crystalline monolayers by cooperative molecular field effect

    Dai Taguchi, Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 4 )   3142 - 3146   2008.4

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  • Observation of carrier behavior in organic field-effect transistors with electroluminescence under AC electric field

    Yuki Ohshima, Hideki Kohn, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 4 )   3200 - 3203   2008.4

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  • Observation of orientational ordering processes of 4-n-pentyl-4′-cyanobiphenyl molecules during evaporation onto polyimide Langmuir-Blodgett films by optical polarized absorption measurements

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   516 ( 9 )   2656 - 2659   2008.3

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  • Optical second harmonic generation measurements for investigating electron injection into a pentacene field effect transistor with Au source and drain electrodes

    Eunju Lim, Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2513 - 2517   2008.3

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  • Analysis of threshold voltage shift of pentacene field effect transistor with ferroelectric gate insulator as a Maxwell-Wagner effect

    Ryousuke Tamura, Eunju Lim, Shuhei Yoshita, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2753 - 2757   2008.3

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  • The interacting electrostatic charge model on the shape formation of monolayer domains at the air-water interface comprised of tilted dipoles with orientational deformation

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2660 - 2665   2008.3

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  • Domain observation and molecular orientation of chiral dipalmitoylphosphatidylcholine monolayer by Brewster angle microscopy and Maxwell displacement current

    Wei Ou-yang, Tetsuya Yamamoto, Takahiro Aida, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2649 - 2651   2008.3

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  • Investigation of space charge at pentacene/Au interface with UV/ozone treatment by a near-field microwave microprobe

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto, Barry Friedman, Arsen Babajanyan, Songhui Kim, Youngwoon Yoon, Seunghwan Kim, Kiejin Lee

    THIN SOLID FILMS   516 ( 9 )   2573 - 2576   2008.3

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  • Analysis of threshold voltage shift of pentacene field effect transistor with ferroelectric gate insulator as a Maxwell-Wagner effect

    Ryousuke Tamura, Eunju Lim, Shuhei Yoshita, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2753 - 2757   2008.3

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  • Observation of orientational ordering processes of 4-n-pentyl-4 '-cyanobiphenyl molecules during evaporation onto polyimide Langmuir-Blodgett films by optical polarized absorption measurements

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2656 - 2659   2008.3

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  • Hole trapping in polydiacetylene field effect transistor studied by optical second harmonic generation

    T. Manaka, H. Kohn, Y. Ohshima, E. Lim, M. Iwamoto

    THIN SOLID FILMS   516 ( 9 )   2779 - 2782   2008.3

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  • Charge Storage and Carrier Transport at Organic Semiconductor-Insulator Interface

    IWAMOTO Mitsumasa, MANAKA Takaaki, LIM Eunju, TAMURA Ryousuke

    Journal of the Surface Science Society of Japan   29 ( 2 )   105 - 113   2008.2

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  • Transient optical second-harmonic generation measurement for monitoring carrier injection into organic field-effect transistors

    Takaaki Manaka, Eunju Lim, Ryousuke Tamura, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 2 )   1301 - 1306   2008.2

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  • Observation of electron injection into organic field-effect transistor with au electrodes using electroluminescence under AC electric field

    Yuki Ohshima, Hideki Kohn, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 2 )   1297 - 1300   2008.2

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  • Study of domain shapes and orientational structure of phospholipid monolayers using Maxwell displacement current and Brewster angle microscopy

    Takahiro Aida, Tetsuya Yamamoto, Wei Ou-Yang, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 1 )   411 - 415   2008.1

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  • Pentacene field-effect transistor with ferroelectric gate insulator as Maxwell-Wagner effect element

    Ryousuke Tamura, Shuhei Yoshita, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS   47 ( 1 )   476 - 479   2008.1

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  • Observation of Electroluminescence from Chiral Poly(diacetylene) Polymerized by Circularly Polarized Light

    金英輝, 深田正憲, 大嶋優記, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   108 ( 59 )   51   2008

  • Trapping centers engineering by including of nanoparticles into organic semiconductors

    Martin Weiss, Takaaki Manaka, Mitsumasa Iwamoto

    ISEIM 2008: PROCEEDINGS OF 2008 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING   104   103 - 103   2008

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  • Preparation of hybrid lipid membrane on solid substrate and its dielectric property

    西村保広, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   108 ( 112 )   21 - 24   2008

  • Ambipolar injection into pentacene FET evaluated by the time-resolved SHG imaging

    MANAKA Takashi, NAKAO Motonaru, LIM Eunju, IWAMOTO Mitsumasa

    IEICE technical report   108 ( 112 )   37 - 42   2008

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    Ambipolar carrier injection from gold electrode into pentacene was investigated by the time-resolved optical second harmonic generation (TRM-SHG) imaging. For organic electronic devices such as organic field effect transistors, injected carriers dominates the device operation, and thus ambipolar behavior in OFETs was observed by using appropriate electrode metals, i.e. electrons and holes are selectively injected from electrode with small and large work function, respectively. Smoothly hole injection is verified by rapid decrease of the SHG intensity at electrode edge, indicating the absence of injection barrier. In contrast, TRM-SHG results clearly indicated the presence of electron injection from the high-work function metal into electrode. However after injection, motion of the emission band of the SHG stopped in the channel indicating that electrons were trapped in the channel and could not contribute to the conduction.

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  • Trapping centers engineering by including of nanoparticles into organic semiconductors

    Martin Weiss, Takaaki Manaka, Mitsumasa Iwamoto

    ISEIM 2008: PROCEEDINGS OF 2008 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING   104   103 - 103   2008

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  • In-plane anisotropy of electric field in organic field effect transistor observed by optical second harmonic generation measurement

    NAKAO MOTOHARU, MANAKA Takaaki, WEIS Martin, LIM Eunju, IWAMOTO Mitsumasa

    IEICE technical report   108 ( 293 )   23 - 28   2008

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    Electric field E, mobility μ and carrier density en are key parameters used to discuss the operation mechanism of Organic Field transistors (OFETs). OFETs are mainly ruled by carriers injected from the source electrode. Hence space charge field is formed in OFETs. It is a significant issue to evaluate electric field distribution along the FET channel. In our previous studies, we proposed a novel technique for evaluating the electric field distribution in OFETs using the second harmonic generation (SHG) activated by the d.c. electric field induced polarization of organic semiconductor. In this work, in-plane anisotropy of electric field in pentacene FET was investigated with polarized SH light. Consequently, d.c. electric field along the channel is shown to be determined for pentacene films with crystalline domain size of about 1μm.

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  • Electrode metal dependence of carrier behavior in organic FET : direct observation of carrier using TRM-SHG-

    MANAKA Takaaki, NAKAO Motoharu, WEIS Martin, LIU Fei, LIM Eunju, IWAMOTO Mitsumasa

    電子情報通信学会技術研究報告   108 ( 112 )   59 - 64   2008

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  • The interacting electrostatic charge model on the shape formation of monolayer domains at the air窶努ater interface comprised of tilted dipoles with orientational deformation

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    516 ( 9 )   2660 - 2665   2008

  • In-plane anisotropy of electric field in organic field effect transistor observed by optical second harmonic generation measurement

    Motoharu Nakao, Takaaki Manaka, Martin Weis, Eunju Lim, Mitsumasa Iwamoto

    IEICE Technical Report   108 ( 293 )   23 - 28   2008

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    Electric field E, mobility μ and carrier density en are key parameters used to discuss the operation mechanism of Organic Field transistors (OFETs). OFETs are mainly ruled by carriers injected from the source electrode. Hence space charge field is formed in OFETs. It is a significant issue to evaluate electric field distribution along the FET channel. In our previous studies, we proposed a novel technique for evaluating the electric field distribution in OFETs using the second harmonic generation (SHG) activated by the d.c. electric field induced polarization of organic semiconductor. In this work, in-plane anisotropy of electric field in pentacene FET was investigated with polarized SH light. Consequently, d.c. electric field along the channel is shown to be determined for pentacene films with crystalline domain size of about 1μm.

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  • ポリイミドLB膜上液晶蒸着単分子膜の配向秩序形成過程のその場観察

    田口大, 宮沢亮, 川手隆司, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   69th ( 3 )   2008

  • 5CB大気中蒸着における表面電位測定

    福澤雅弘, 園田大輔, 藤本靖広, 山形壮弥, 田口大, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2008 ( 2 )   2008

  • ポリイミドLB膜を配向膜にもつ液晶セル基板界面液晶分子の光学的配向評価

    川手隆司, 宮沢亮, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 光第2次高調波発生法によるポリイミドLB膜アンチパラレル液晶セルの界面極性配向の評価

    川手隆司, 田口大, 宮沢亮, WEIS Martin, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2008   2008

  • ポリイミド絶縁膜を用いたペンタセンFETの閾値電圧シフトの評価:トラップの効果

    田村亮祐, 吉田周平, LIM E., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 5CB大気中蒸着における表面電位測定

    園田大輔, 川島秀清, 清原剛士, 福澤雅弘, 田口大, 間中孝彰, 岩本光正

    電気関係学会九州支部連合大会講演論文集(CD-ROM)   61st   2008

  • 交流電界ELによる有機FETへの電荷注入評価

    大嶋優記, 金英輝, LIM Eunju, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   69th ( 3 )   2008

  • 電圧印加下の固体上脂質膜の形状観測と解析

    西村保広, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   69th ( 3 )   2008

  • 円偏光誘起によるキラルなポリジアセチレン薄膜の作製

    金英輝, 大嶋優記, 間中孝彰, 岩本光正

    高分子学会予稿集(CD-ROM)   57 ( 2 Disk1 )   2008

  • 時間分解SHG測定によるペンタセンFETキャリア注入過程の解析

    中尾元春, 間中孝彰, WEIS Martin, LIM E., 岩本光正

    応用物理学会学術講演会講演予稿集   69th ( 3 )   2008

  • 顕微時間分解SHG測定による強誘電性ゲート絶縁膜を用いたペンタセンFETの評価

    田村亮祐, 吉田周平, LIM E., WEISS Martin, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   69th ( 3 )   2008

  • 脂肪酸からなる水面上単分子膜のドメイン形状のShape equationによる解析

    山本哲也, 田口大, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 光学的手法による有機エレクトロニクスデバイスの新しい評価手法の確立

    岩本光正, 間中孝彰, LIM Eunju, 田村亮祐

    日本化学会講演予稿集   88th ( 1 )   2008

  • 電界誘起SHG測定によるペンタセンFETの電界評価

    中尾元春, 間中孝彰, 田村亮祐, LIM E., 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 顕微SHG法によるペンタセンFETチャネル内の電界分布の計測と解析

    山田大介, 間中孝彰, LIM E., 田村亮祐, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 交流電界下の有機EL現象を利用したFET構造素子中の電荷注入観測

    大嶋優記, 金英輝, LIM Eunju, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 円偏光を用いて作製したキラルポリジアセチレン薄膜の電気・光物性

    金英輝, 深田正憲, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 液晶蒸着膜の配向秩序形成過程のその場観察

    田口大, 宮沢亮, 川手隆司, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • 波長選択性を利用した電界誘起SHG法による有機多層構造体の電界評価

    柴田佳典, 中尾元春, 林銀珠, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • Maxwell変位電流法及びBrwester角顕微鏡を用いたリン脂質単分子膜のドメイン形状と配向状態の評価

    相田崇裕, 山本哲也, OU-YANG Wei, WEIS Martin, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   55th ( 3 )   2008

  • Measurement of Organic EL Intensity under DC and AC electric fields

    福澤雅弘, 貞方敦雄, 河野良太, 須田義行, 間中考彰, 岩本光正

    九州産業大学工学部研究報告   ( 45 )   2008

  • Temperature dependence on surface potential of evaporated 5CB molecules(DEPARTMENT OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)

    FUKUZAWA Masahiro, SONODA Daisuke, FUJIMOTO Yasuhiro, YAMAGATA Takaya, TAGUCHI Dai, MANAKA Takaaki, IWAMOTO Mitsumasa

    九州産業大学工学部研究報告   44 ( 45 )   35 - 40   2007.12

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    Control of orientational alignment of molecule on substrate is important in liquid crystal applications. In this report, orientational ordering process was examined by surface potential measurement, using evaporated 5CB (4-cyano-4'-pentylbiphenyl) liquid crystal molecules. The experiments were carried at various substrate temperatures, evaporation temperatures, and others, using various metal electrodes.

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  • Carrier mobility in organic FET evaluated by time-resolved microscopic SHG measurement

    MANAKA Takaaki, LIM Eunju, TAMURA Ryosuke, IWAMOTO Mitsumasa

    IEICE technical report   107 ( 321 )   29 - 34   2007.11

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    The carrier mobility in pentacene field effect transistor (FET) was evaluated by the time-resolved microscopic second harmonic generation (SHG) measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. Under the positive pulse application to the drain electrode, emission band of SHG signal, which is visualized by the cooled CCD, gradually moves in the channel from source to drain electrode with an increase in delay time. On the other hand, the position of the SHG peak never moves; when the SHG signals are concentrated around the edge of source electrode under the negative pulse application. The position of the emission band represents the position of the wave front of the carrier sheet traveling in the channel. The carrier velocity can be evaluated using the relationship between the wave front position of traveling carrier sheet and the delay time. The time-resolved SHG technique enables us to evaluate carrier velocity by tracing motion of the SH peak.

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  • Observation and analysis of electroluminescence in organic field-effect transistor under AC electric field

    OHSHIMA Yuki, KOHN Hideki, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   107 ( 322 )   23 - 27   2007.11

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    Electrons and holes were injected alternately from Au source electrode into tetracene in accordance with applying square wave AC voltage to the source electrode of tetracene field-effect transistor. Consequently, electrolu-minescence (EL) was generated at the interface between tetracene and source electrode owing to the recombination of electrons and holes. Electron injection rules this EL because the tetracene FET functions as a p-channel type element. The EL intensity was dependent on the frequency and amplitude of applied AC voltage, indicating that the amount of injected carriers and the frequency of carrier injection could be controlled by the AC applied voltage.

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  • Carrier mobility in organic FET evaluated by time-resolved microscopic SHG measurement

    MANAKA Takaaki, LIM Eunju, TAMURA Ryosuke, IWAMOTO Mitsumasa

    IEICE technical report   107 ( 322 )   29 - 34   2007.11

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    The carrier mobility in pentacene field effect transistor (FET) was evaluated by the time-resolved microscopic second harmonic generation (SHG) measurement. Under the pulse operation of organic FET (OFET), time-evolution of the electric field distribution along the channel is observed by changing the delay time between laser pulses and voltage pulses that drive OFET. Under the positive pulse application to the drain electrode, emission band of SHG signal, which is visualized by the cooled CCD, gradually moves in the channel from source to drain electrode with an increase in delay time. On the other hand, the position of the SHG peak never moves; when the SHG signals are concentrated around the edge of source electrode under the negative pulse application. The position of the emission band represents the position of the wave front of the carrier sheet traveling in the channel. The carrier velocity can be evaluated using the relationship between the wave front position of traveling carrier sheet and the delay time. The time-resolved SHG technique enables us to evaluate carrier velocity by tracing motion of the SH peak.

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  • Observation and analysis of electroluminescence in organic field-effect transistor under AC electric field

    OHSHIMA Yuki, KOHN Hideki, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   107 ( 321 )   23 - 27   2007.11

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    Electrons and holes were injected alternately from Au source electrode into tetracene in accordance with applying square wave AC voltage to the source electrode of tetracene field-effect transistor. Consequently, electroluminescence (EL) was generated at the interface between tetracene and source electrode owing to the recombination of electrons and holes. Electron injection rules this EL because the tetracene FET functions as a p-channel type element. The EL intensity was dependent on the frequency and amplitude of applied AC voltage, indicating that the amount of injected carriers and the frequency of carrier injection could be controlled by the AC applied voltage.

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  • Analysis of polar orientational order controlled by nanometer-thick polyimide Langmuir-Blodgett films

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   449 ( 1-3 )   138 - 143   2007.11

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  • Optical second harmonic generation imaging for visualizing in-plane electric field distribution

    Takaaki Manaka, Motoharu Nakao, Daisuke Yamada, Eunju Lim, Mitsumasa Iwamoto

    OPTICS EXPRESS   15 ( 24 )   15964 - 15971   2007.11

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  • Direct imaging of carrier motion in organic transistors by optical secondharmonic generation

    Takaaki Manaka, Eunju Lim, Ryousuke Tamura, Mitsumasa Iwamoto

    NATURE PHOTONICS   1 ( 10 )   581 - 584   2007.10

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  • Probing of channel formation in organic field effect transistors by optical second harmonic generation measurement

    LIM Eunju, LEE Ho Shik, MANAKA Takaaki, IWAMOTO Mitsumasa

    2007   1086 - 1087   2007.9

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  • COLL 451-Direct probing of surface polarization in organic molecular films by Maxwell-displacement-current and electric field induced optical second harmonic generation

    Mitsumasa Iwamoto, Takaaki Manaka, Eunju Lim, Ryousuke Tamura

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY   234   2007.8

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  • COLL 456-Investigation of trapped charge causing the carrier injection with light-emitting in pentacene field effect transistor by optical second harmonic generation measurement

    Eunju Lim, Yuki Ohshima, Ryousuke Tamura, Takaaki Manaka, Mitsumasa Iwamoto

    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY   234   2007.8

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  • Cooperative molecular field effect and induced orientational ordering effect in polar liquid crystalline films on metals

    Dai Taguchi, Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   127 ( 4 )   044703   2007.7

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  • Maxwell-Wagner 効果素子としての有機FETの解析

    岩本 光正, 間中 孝彰, 田村 亮介, 林 銀珠

    Molecular electronics and bioelectronics   18 ( 2 )   127 - 132   2007.6

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  • Observation of Electron Injection into Organic Field Effect Transistors with Au Electrodes by Electroluminescence under AC Electric Field

    OHSHIMA Yuki, KOHN Hideki, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   107 ( 47 )   11 - 15   2007.5

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    The electroluminescence (EL) from tetracene field effect transistor was examined with applying an AC voltage to elucidate electron injection from the Au source and drain electrodes. The EL intensity was in proportion to the AC frequency up to 500 kHz, but it decayed rapidly with elapsed time under applying the AC voltage. The EL spectra corresponded well with the photoluminescence spectra. These results indicate that holes and electrons are injected into the tetracene alternately in accordance with AC applied voltage, and the EL is radiated due to the recombination of the injected holes and electrons, while the space charge formation leading to the gradually decay of the EL proceeds owing to the accumulation and trapping of excessive injected carriers.

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  • Analysis of carrier injection, accumulation and transport process of pentacene field effect transistors using a Maxwell-Wagner model

    Eunju Lim, Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iwamoto

    CURRENT APPLIED PHYSICS   7 ( 4 )   356 - 359   2007.5

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  • Pentacene field effect transistor as an injection-type element: Maxwell-Wagner type interfacial polarization and carrier transport

    Mitsumasa Iwamoto, Takaaki Manaka, Eunju Lim, Ryousuke Tamura

    CURRENT APPLIED PHYSICS   7 ( 4 )   334 - 337   2007.5

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  • Analysis of hysteresis behavior of pentacene field effect transistor characteristics with capacitance-voltage and optical second harmonic generation measurements

    Eunju Lim, Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   101 ( 9 )   094505-1-8   2007.5

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  • Electrical transport properties of polydiacetylene films during thermochromic process

    Gang Zou, Eunju Lim, Norifumi Kajimoto, Hideki Kohn, Yuki Ohshima, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 5A )   3071 - 3076   2007.5

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  • Cooperative molecular field effect on the surface potential of tris(8-quinolinato)aluminum films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2740 - 2744   2007.4

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  • Optical second-harmonic generation measurements of hole carrier injection and trapping in pentacene field-effect transistor

    Eunju Lim, Takaaki Manaka, Ryosuke Tamuraj, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2722 - 2726   2007.4

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  • Analysis of threshold voltage shift of pentacene field effect transistor based on a Maxwell-Wagner effect

    Ryosuke Tamura, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2709 - 2713   2007.4

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  • Direct observation of trapped carriers in polydiacetylene films by optical second harmonic generation

    Takaaki Manaka, Hideki Kohn, Yuki Ohshima, Eunju Lim, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   90 ( 17 )   171119-1-3   2007.4

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  • Investigation of pentacene field-effect transistor operation by optical second-harmonic generation

    Takaaki Manaka, Eunju Lim, Ryosuke Tamura, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 4B )   2687 - 2691   2007.4

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  • Investigation of space charge at pentacene/metal interfaces by a near-field scanning microwave microprobe

    Arsen Babajanyan, Kiejin Lee, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto, Barry Friedman

    APPLIED PHYSICS LETTERS   90 ( 18 )   182104-1-3   2007.4

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  • Electric quadrupole model on the formation of molecular chirality dependent domain shapes of lipid monolayers at the air-water interface

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   126 ( 12 )   125106-1-17   2007.3

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  • Analysis of carrier injection into a pentacene field effect transistor by optical second harmonic generation measurements

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   101 ( 2 )   024515-1-6   2007.1

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  • Analysis of carrier injection into a pentacene field effect transistor by optical second harmonic generation measurements

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   101 ( 2 )   024515-1-6   2007.1

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  • Electric quadrupole model on the formation of molecular chirality dependent domain shapes of lipid monolayers at the air-water interface

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Chemical Physics   126 ( 12 )   125106-1-17   2007

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  • Probing of Carrier Injection into Organic Field Effect Transistor by Optical Second Harmonic Generation

    LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEEJ Transactions on Fundamentals and Materials   127 ( 5 )   261 - 264   2007

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    To probe the carrier injection from Au source electrode into the channel of pentacene field effect transistors (FET), optical second harmonic generation (SHG) measurement is employed. SHG is enhanced at the off state due to Laplace electric field formation, whereas it is diminished at the on state. As the generation of SHG signal is in proportional to the electric field formed in the channel, we concluded that SHG measurement can probe the change of the electric field in the pentacene FET channel due to the injected and subsequently trapped holes.

    DOI: 10.1541/ieejfms.127.261

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  • Pentacene field effect transistor as an injection-type element: Maxwell窶展agner type interfacial polarization and carrier transport

    Mitsumasa Iwamoto, Takaaki Manaka, Eunju Lim, Ryosuke Tamura

    Current Applied Physics   7 ( 4 )   334 - 337   2007

  • Probing of carrier injection into organic field effect transistor by optical second harmonic generation

    Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    IEEJ Transactions on Fundamentals and Materials   127 ( 5 )   261 - 264   2007

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    Language:English   Publisher:The Institute of Electrical Engineers of Japan  

    To probe the carrier injection from Au source electrode into the channel of pentacene field effect transistors (FET), optical second harmonic generation (SHG) measurement is employed. SHG is enhanced at the off state due to Laplace electric field formation, whereas it is diminished at the on state. As the generation of SHG signal is in proportional to the electric field formed in the channel, we concluded that SHG measurement can probe the change of the electric field in the pentacene FET channel due to the injected and subsequently trapped holes.

    DOI: 10.1541/ieejfms.127.261

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  • Cooperative molecular field effect and induced orientational ordering effect in polar liquid crystalline films on metals

    Dai Taguchi, Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Chemical Physics   127 ( 4 )   044703   2007

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    DOI: 10.1063/1.2754677

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  • Cooperative molecular field effect on the surface potential of Alq3 films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   46 ( 4B )   2740 - 2744   2007

  • 円偏光照射に棋るポリジアセチレンキャスト膜のキラリティー誘起

    金英輝, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • 偏光吸光度法及び光第2次高調波法による蒸着液晶分子の界面配向変化の測定:ポリイミドLB配向膜の膜厚変化依存性

    浜津誠, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • 時間分解顕微SHG測定による有機FET中キャリア走行の実時間観測

    間中孝彰, LIM E., 山田大介, 田村亮祐, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • Maxwell変位電流法及びBrewster角顕微鏡を用いたリン脂質単分子膜のドメイン形状と配向状態の測定

    相田崇裕, 山本哲也, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2007   2007

  • ジアセチレン蒸着膜の作製と円偏光照射によるキラリティー誘起:基板温度依存性

    金英輝, 大嶋優記, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   68th ( 3 )   2007

  • 時間分解SHイメージングによるペンタセンFET中キャリア走行の直接観測

    間中孝彰, LIM E., 山田大介, 田村亮祐, 岩本光正

    応用物理学会学術講演会講演予稿集   68th ( 3 )   2007

  • 界面での非対称なポテンシャルエネルギのアンカリングエネルギへの寄与

    田口大, 川手隆司, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2007   2007

  • 液晶単分子膜蒸着過程における配向秩序形成過程のその場観察

    田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • パターンニングされたSAM層を用いた脂質二分子膜の形成とAFMによる表面観察

    西村保広, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • Temperature dependence on surface potential of evaporated 5CB molecules

    福澤雅弘, 園田大輔, 藤本靖広, 山形壮弥, 田口大, 間中孝彰, 岩本光正

    九州産業大学工学部研究報告   ( 44 )   2007

  • 液晶蒸着膜の表面電位特性

    北澤和紀, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • 交流電界発光による有機FET内への電荷注入観測

    大嶋優記, 金英輝, LIM Eunju, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   68th ( 3 )   2007

  • Maxwell Wagnerモデルに基づいた強誘電性ゲート絶縁膜を持つペンタセンFETの解析 II

    田村亮祐, 吉田周平, LIM E., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   68th ( 3 )   2007

  • Surface observation of micro-patterned lipid bilayer on substrate

    西村保広, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   107 ( 122(CPM2007 30-35) )   2007

  • Maxwell Wagnerモデルに基づいた強誘電性ゲート絶縁膜を持つペンタセンFETの解析

    田村亮祐, 吉田周平, LIM E., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • 二次元界面分子膜の幾何パターン制御と新規電気光現象の発現

    岩本光正, 間中孝彰

    応用物理学関係連合講演会講演予稿集   54th   2007

  • 5CB大気中蒸着における表面電位測定

    福澤雅弘, 園田大輔, 藤本靖広, 山形壮弥, 田口大, 間中孝彰, 岩本光正

    応用物理学会九州支部学術講演会講演予稿集   33   2007

  • 注入電荷が誘起する金属上液晶単分子膜の再配向の解析

    田口大, 梶本典史, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2007   2007

  • リン脂質ラセミ混合単分子膜のドメイン形状とドメイン内の構造

    相田崇裕, 山本哲也, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   68th ( 3 )   2007

  • 交流電界発光によるAu電極有機FETの電子注入現象の観測

    大嶋優記, KOHN H., LIM E., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • Maxwell変位電流法およびBrewster角顕微鏡を用いたdipalmitoyl-phosphatidylcholine単分子膜のドメイン形状と配向状態の評価

    相田崇裕, 山本哲也, OU-YANG Wei, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • ラセミ混合膜のドメイン内部でのキラル相分離現象の静電エネルギーモデル:Bragg-Williams理論に基づく解析

    山本哲也, 相田崇裕, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2007   2007

  • 有機界面における幾何学の概念

    岩本光正, 間中孝彰

    日本化学会講演予稿集   87th ( 1 )   2007

  • Bathocuproine(BCP)蒸着膜で発生する表面電位の減衰過程の評価

    梶本典史, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   54th ( 3 )   2007

  • Analysis of carrier injection into pentacene FET using Maxwell-Wagner model

    Ryosuke Tamura, Eunju Lim, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E89C ( 12 )   1760 - 1764   2006.12

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  • Investigation of the carrier trapping in organic FET by the optical second-harmonic generation

    MANAKA Takaaki, LIM Eunju, TAMURA Ryosuke, OHSHIMA Yuki, KOHN Hideki, IWAMOTO Mitsumasa

    IEICE technical report   106 ( 339 )   31 - 35   2006.11

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    Carrier injection and trapping in polydiacetylene field effect transistor (PDA-FET) was shown to be detectable by optical second harmonic generation (SHG). The SHG signal probed successfully and non-destructively the trapping and detrapping process of the pentacene FET. In these measurements, source and drain electrodes were connected, and voltage was applied between these source and drain electrodes and gate electrode. With applying negative bias to the source and drain electrodes, SHG signal was enhanced during application of the voltage indicating the Laplace field formation. On the other hand, with applying positive bias, the SHG signal was not enhanced during application of the voltage, whereas the SHG signal was observed after turning off the applied voltage. In this situation, holes are injected smoothly from electrode into the PDA layer, and these injected holes are immediately captured in the traps. Since these holes work as the excess charges and form a space charge field, the SHG signal is activated even if there is no external bias voltage.

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  • Electrostatic energies stored in dipolar films and analysis of decaying process of a large surface potential of Alq3 films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Chemical Physics Letters   430 ( 4-6 )   340 - 344   2006.10

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  • Decay process of a large surface potential across as-deposited Alq_3 films : Analysis from view point of electrostatic energies stored in dipolar layer

    KAJIMOTO Norifumi, MANAKA Takaaki, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2006 ( 59 )   15 - 19   2006.10

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  • Analysis of organic FET operation and memory effect using a Maxwell-Wagner model

    TAMURA Ryousuke, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2006 ( 59 )   35 - 38   2006.10

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  • Surface potential measurements and analysis of the interfacial structure of the evaporated liquid crystal thin film

    KITAZAWA Kazuki, TAGUCHI Dai, HAMATSU Makoto, MANAKA Takaaki, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2006 ( 59 )   5 - 8   2006.10

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  • Electrostatic energies stored in dipolar films and analysis of decaying process of a large surface potential of Alq(3) films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    CHEMICAL PHYSICS LETTERS   430 ( 4-6 )   340 - 344   2006.10

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  • Investigation of the surface potential formed in Alq3 films on metal surface by Kelvin probe and nonlinear optical measurement

    Takaaki Manaka, Kei Yoshizaki, Mitsumasa Iwamoto

    CURRENT APPLIED PHYSICS   6 ( 5 )   877 - 881   2006.9

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  • Decay process of a large surface potential of Alq(3) films by heating

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    JOURNAL OF APPLIED PHYSICS   100 ( 5 )   053707   2006.9

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  • Investigation of the surface potential formed in Alq3 films on metal surface by Kelvin probe and nonlinear optical measurement

    Takaaki Manaka, Kei Yoshizaki, Mitsumasa Iwamoto

    Current Applied Physics   6 ( 5 )   877 - 881   2006.9

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  • Studying the chirality of polymerized 10,12-tricosadynoic acid LB films using SHG polarized angle dependence and SHG-CD method

    Gang Zou, Takaaki Manaka, Dai Taguchi, Mitsumasa Iwamoto

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   284-285 ( No. )   424 - 429   2006.8

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    DOI: 10.1016/j.colsurfa.2005.11.044

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  • Orientational ordering process of 4′-n-pentyl-4-cyanobiphenyl molecules deposited on polyimide Langmuir-Blodgett films

    Dai Taguchi, Makoto Hamatsu, Kazuki Kitazawa, Takaaki Manaka, Mitsumasa Iwamoto

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   284-285 ( No. )   263 - 266   2006.8

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    DOI: 10.1016/j.colsurfa.2005.10.043

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  • Surface morphology and electrical transport properties of polydiacetylene-based organic field-effect transistors

    Gang Zou, Eunju Lim, Ryosuke Tamura, Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 8A )   6436 - 6441   2006.8

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  • Surface polarization phenomena of organic monolayers and electron transport

    Mitsumasa Iwamoto, Takaaki Manaka

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   29 - 34   2006.8

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  • Analysis of the orientational structure of monolayers comprised of banana-shaped achiral molecules at an air-water interface

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   154 - 160   2006.8

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  • Studying the chirality of polymerized 10,12-tricosadynoic acid LB films using SHG polarized angle dependence and SHG-CD method

    Gang Zou, Takaaki Manaka, Dai Taguchi, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   424 - 429   2006.8

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  • Chirality of citronelloxy-cyanobiphenyl monolayer at the air-water interface investigated by the second harmonic generation measurement

    Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   409 - 413   2006.8

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  • Probing of the electric field distribution in organic field effect transistor channel by microscopic second-harmonic generation

    Takaaki Manaka, Eunju Lim, Ryosuke Tamura, Daisuke Yamada, Mitsumasa Iwamoto

    APPLIED PHYSICS LETTERS   89 ( 7 )   072113   2006.8

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  • Measurement of dielectric polarizations for analyzing the orientational order of Langmuir monolayers

    Robert Wagner, Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   147 - 153   2006.8

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  • Orientational ordering process of 4 '-n-pentyl-4-cyanobiphenyl molecules deposited on polyimide Langmuir-Blodgett films

    Dai Taguchi, Makoto Hamatsu, Kazuki Kitazawa, Takaaki Manaka, Mitsumasa Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   284 ( No. )   263 - 266   2006.8

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  • Preparation of Chiral Polydiacetylene films from achiral monomer and their opitcal and electrical properties

    KON Hideki, OHSHIMA Yuki, ZOU Gang, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   106 ( 183 )   5 - 9   2006.7

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    We prepared evaporation films of diacetylene monomer on glass substrate and proceeded a photopolymerization using right and left circular polarized light (CPL). As a result, the CPL polymerized polydiacetylene [Poly(TDA)] films possess optical chirality, and we confirmed by CD spectrum that the optical chirality could be completely controlled using right and left CPL. In addition, we changed the phase of chiral Poly (TDA) film from a blue phase (640nm) into a red phase (550nm) with annealing process. Optical chirality was kept after the sample experiences such phase transition. On the other hand, we fabricated top contact FET of a chiral Poly (TDA) and studied carrier transport mechanism due to the difference of chirality.

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  • Compression induced chiral symmetry breaking of monolayers comprised of banana-shaped achiral molecules at an air-water interface: Williams-Bragg approach

    Tetsuya Yamamoto, Takaaki Manaka, Dai Taguchi, Mitsumasa Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   125 ( 3 )   034704   2006.7

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  • Manipulation of two dimensional interface

    Mitsumasa Iwamoto, Takaaki Manaka

    Thin Solid Films   509 ( 1-2 )   69 - 74   2006.6

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  • Generation of Maxwell displacement current across 10, 12-tricosadynoic acid monolayer before and after polymerization

    G Zou, S Oguchi, T Manaka, M Iwamoto

    THIN SOLID FILMS   509 ( 1-2 )   94 - 101   2006.6

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  • Analysis of pentacene FET characteristics based on the Maxwell-Wagner model

    E Lim, R Tamura, T Manaka, M Iwamoto

    JOURNAL OF THE KOREAN PHYSICAL SOCIETY   48 ( 6 )   1481 - 1487   2006.6

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  • 界面分子膜の物性とMDC及びSHG法による評価

    岩本 光正, 間中 孝彰, 山本 哲也, 小口 聡

    Molecular electronics and bioelectronics   17 ( 2 )   95 - 100   2006.6

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  • Interfacial polarization phenomena in organic molecular films

    M Iwamoto, T Manaka

    ANALYTICA CHIMICA ACTA   568 ( 1-2 )   65 - 69   2006.5

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    DOI: 10.1016/j.aca.2005.12.018

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  • Maxwell-Wagner model analysis for the capacitance-voltage characteristics of pentacene field effect transistor

    E Lim, T Manaka, R Tamura, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 4B )   3712 - 3716   2006.4

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  • CS-11-3 Geometrical structure of molecular films and evaluation of their opto- electrical properties

    Iwamoto Mitsumasa, Manaka Takaaki

    Proceedings of the IEICE General Conference   2006 ( 2 )   "S - 56"-"S-57"   2006.3

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  • Preparation and surface morphology change observation of hybrid bilayer membranes

    Y Nishimura, R Wagner, T Manaka, M Iwamoto

    THIN SOLID FILMS   499 ( 1-2 )   40 - 43   2006.3

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  • Orientational order of 4 '-n-pentyl-4-cyanobiphenyl molecules deposited on azobenzene monolayers

    D Taguchi, T Manaka, M Iwamoto

    THIN SOLID FILMS   499 ( 1-2 )   229 - 233   2006.3

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  • Control of the nano electrostatic phenomena at a pentacene/metal interface for improvement of the organic FET devices

    T Manaka, E Lim, R Tamura, M Iwamoto

    THIN SOLID FILMS   499 ( 1-2 )   386 - 391   2006.3

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  • Measurement of interfacial dielectric polarization for the investigation of the orientational structure of monolayers comprised of banana-shaped molecules at an air-water interface

    T Yamamoto, S Oguchi, T Manaka, M Iwamoto

    THIN SOLID FILMS   499 ( 1-2 )   242 - 248   2006.3

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  • Monolayer alignment on azobenzene surfaces during UV light irradiation: Analysis of optical polarized absorption measurement results and theoretical treatment

    AV Zakharov, D Taguchi, T Manaka, M Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   124 ( 2 )   024701   2006.1

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  • Decay process of a large surface potential of Alq3 films by heating

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   100 ( 5 )   053707   2006

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    DOI: 10.1063/1.2338137

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  • Orientation order of 4'-n-pentyl-4-cyanobiphenyl molecules deposited on azobenzene monolayer

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   499   229 - 233   2006

  • Electrostatic energies stored in dipolar films and analysis of decaying process of a large surface potential of Alq3 films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Chemical Physics Letters   430   340 - 344   2006

  • Orientational ordering process of liquid crystalline molecules evaporated on azobenzene monolayer: Optical polarized absorption measurements and adsorption kinetics

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    International Journal of the Society of Material Engineering for Resources   13 ( 2 )   109 - 111   2006

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    DOI: 10.5188/ijsmer.13.109

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  • Orientational Ordering Process of Liquid Crystalline Molecules Evaporated on Azobenzene Monolayer: Optical Polarized Absorption Measurements and Adsorption Kinetics

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    International Jornal of The Soceity of Materials Engineering for Resources   13 ( 2 )   109 - 111   2006

  • Compression induced chiral symmetry breaking of monolayers comprised of banana-shaped achiral molecules at an air-water interface: Williams-Bragg approach

    Tetsuya Yamamoto, Takaaki Manaka, Dai Taguchi, Mitsumasa Iwamoto

    Journal of Chemical Physics   125 ( 3 )   034704   2006

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  • Decay process of a large surface potential of Alq3 films by heating

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Applied Physics   100 ( 5 )   053707   2006

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  • Electrostatic energies stored in dipolar films and analysis of decaying process of a large surface potential of Alq3 films

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    Chemical Physics Letters   430 ( 4 )   340 - 344   2006

  • Chirality of citronelloxy-cyanobiphenyl monolayer at the air/water interface investigated by the second harmonic generation measurement

    Takaaki Manaka, Ryosuke Tamura, Mitsumasa Iwamoto

    Colloids and Surfaces A   284-285 ( No. )   409 - 413   2006

  • Analysis of the orientational structure of monolayers comprised of banana-shaped achiral molecules at an air/water interface

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    Colloids and Surfaces A   284-285 ( No. )   154 - 160   2006

  • Characterization of orientational ordering of liquid crystalline molecules deposited on polyimide Langmuir-Blodgett films by optical polarized absorption and optical second-harmonic generation measurements

    D. Taguchi, T. Manaka, M. Iwamoto

    K.L.Mittal (Ed.), Proceedings of the Fourth International Symposium on Polyimides and Other High Temperature Polymers   accepted for publication   2006

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  • Determination of Electric field Distribution in Pentacene FET channel by Microscopic optical Second Harmonic Generation measurement

    山田大介, 間中孝彰, LIM Eunju, 田村亮祐, 岩本光正

    電気電子絶縁材料システムシンポジウム予稿集   37th   2006

  • Surface potential measurement of evaporated 5CB molecules (II)

    山本圭佑, 園田大輔, 高瀬旭, 田口大, 間中孝彰, 岩本光正, 福澤雅弘

    九州産業大学工学部研究報告   ( 43 )   2006

  • Nano-interface Surface Dielectric Polarizaion Phenomena: Detection and Application

    Mitsumasa Iwamoto, Takaaki Manaka

    Int. J. Soc. Mater. Eng. Resour.   14 ( 1/2 )   12 - 17   2006

  • 5CB大気中蒸着における表面電位測定

    山本圭佑, 園田大輔, 高瀬旭, 田口大, 間中孝彰, 岩本光正, 福澤雅弘

    応用物理学会九州支部学術講演会講演予稿集   32   2006

  • Maxwell変位電流法およびBrewster角顕微鏡を用いたキラルdipalmitoyl-phosphatidylcholine単分子膜のドメイン形状と配向状態の評価

    相田崇裕, 山本哲也, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • Brewster角顕微鏡-Maxwell変位電流法によるキラルdipalmitoyl-phosphatidylcholine単分子膜の配向状態とドメイン形状の評価

    山本哲也, 相田崇弘, WEI Ou-Yang, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集(CD-ROM)   2006   2006

  • 永久双極子の秩序配向の消失に伴う注入電子の緩和過程の評価

    梶本典史, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • アルミ電極上のAlq3蒸着膜における巨大表面電位の減衰過程の評価

    梶本典史, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • 円偏光を用いたアキラルモノマーからのキラルポリマー生成

    金英輝, 大嶋優記, 間中孝彰, ZOU Gang, 岩本光正

    分子構造総合討論会講演要旨集(CD-ROM)   2006   2006

  • 有機薄膜の界面物性評価とFET特性

    岩本光正, 間中孝彰

    日本化学会講演予稿集   86th ( 1 )   2006

  • 5CB大気中蒸着による表面電位測定

    福沢雅弘, 山本圭佑, 石井裕樹, 古川英明, 田口大, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2006 ( 2 )   2006

  • 顕微SHG法によるポリジアセチレンFETにおける電荷注入と捕獲に関する検討

    間中孝彰, LIM E., 田村亮祐, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • MDC・SHG測定によるヘミシアニン水面上単分子膜の構造評価

    小口聡, 山本哲也, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • 水面上単分子膜のドメイン形状の自発曲率とFrankの弾性エネルギーにおける静電相互作用の寄与

    山本哲也, 相田崇裕, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構 III

    田村亮祐, LIM E., 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • 液晶分子蒸着膜の表面電位測定

    北澤和紀, 田口大, 浜津誠, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • Hybrid Bilayer Membraneの作製と表面形状の観測 II

    西村保広, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • Maxwell Wagnerモデルを用いた有機FETの解析:トラップの効果

    田村亮祐, LIM E., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • 顕微SHGによるペンタセンFETのチャネル間電界強度分布測定

    間中孝彰, LIM E., 田村亮祐, 山田大介, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • Kelvinプローブ法によるアルミニウム基板上液晶超薄膜の配向秩序連続観察

    田口大, 北沢和紀, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   53rd ( 3 )   2006

  • 5CB大気中蒸着による表面電位測定

    福澤雅弘, 山本圭佑, 園田大輔, 高瀬旭, 田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   67th ( 3 )   2006

  • Observation of the pentacene FET operation by the optical second-harmonic generation

    MANAKA Takaaki, LIM Eunju, TAMURA Ryosuke, YAMADA Daisuke, IWAMOTO Mitsumasa

    IEICE technical report   105 ( 425 )   59 - 63   2005.11

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    Language:Japanese   Publisher:The Institute of Electronics, Information and Communication Engineers  

    Channel formation process of the pentacene field effect transistor (FET) was shown to be detectable by the optical second harmonic generation (SHG). The SHG signal probed successfully and non-destructively the off- and on-states of the FET. The enhancement of the SHG signal at the off-state due to the EFISHG was observed with applying the source-and drain voltage in the absence of the gate voltage. On the other hand, the enhanced EFISHG remarkably decayed with applying the gate voltage, indicating the channel formation leading to the increase of the channel conductance. It was shown that holes injected from the Source electrode are main carriers in the FET channel, and the potential profile in pentacene film at the off-state is changed by these injected holes, resulting in the channel formation leading to the SHG decrease.

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  • Investigation of giant surface potential of Alq3 films by Kelvin probe method and second-harmonic generation measurement

    KAJIMOTO Norifumi, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report   105 ( 425 )   23 - 27   2005.11

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    In order to futher clarify the decaying process of a large surface potential of as-deposited Alq3 films on a metal electrode by photoirradiation and heating, Kelvin probe method and second harmonic generation (SHG) measurement were employed. SH intensity did not change up to a temperature of 100℃, whereas the surface potential decayed. This result indicates that the disordering of Alq3 molecules was not an origin of the potential decay by heating whereas the electron injection was the main contributor. On the other hand, the potential decay accompanied the disordering of Alq3 molecules by photoirradiation.

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  • Modulation in optical second harmonic generation signal from channel of pentacene field effect transistors during device operation

    T Manaka, E Lim, R Tamura, M Iwamoto

    APPLIED PHYSICS LETTERS   87 ( 22 )   222107-1-3   2005.11

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  • Maxwell-Wagner effect and operation of organic FET

    TAMURA Ryousuke, LIM Eunju, MANAKA Takaaki, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2005 ( 90 )   43 - 48   2005.10

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  • Observation of the pentacene FET operation by the optical second-harmonic generation

    MANAKA Takaaki, LIM Eunju, TAMURA Ryosuke, IWAMOTO Mitsumasa

    電気学会誘電・絶縁材料研究会資料   2005 ( 90 )   49 - 52   2005.10

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  • PA05 Chiral phase transition of monolayers comprised of banana-shaped achiral molecules induced by the monolayer compression

    Yamamoto Tetsuya, Manaka Takaaki, Taguchi Dai, Iwamoto Mitsumasa

    2005 ( 2005 )   247 - 248   2005.9

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  • Determination of the complete dielectric polarization of Langmuir monolayers

    R Wagner, T Yamamoto, T Manaka, M Iwamoto

    REVIEW OF SCIENTIFIC INSTRUMENTS   76 ( 8 )   83902   2005.8

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  • Determination of Orientational Order at Liquid Crystal-Substrate Interface by Optical Measurements

    TAGUCHI Dai, HAMATSU Makoto, KITAZAWA Kazuki, MANAKA Takaaki, IWAMOTO Mitsumasa

    IEICE technical report. EMD   105 ( 139 )   27 - 32   2005.6

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    Orientational ordering process of 4'-n-pentyl-4-cyanobiphenyl (5CB) molecules on silica substrates covered with mono-/multi-layered Kapton-type polyimide LB films were determined, in situ, by orientational order parameter Sn (n=1,2,3). The polarized absorption measurements (PAM) and the second harmonic generation (SHG) measurements were employed to determine S2 and S1(or S3), respectively. It was found that 5CB molecules tend to lose centrosymmetry while molecules tend to orient their molecular-long axis parallel to substrate surface as the number of polyimide LB layers increases.

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  • Analysis of dielectric polarization of organic monolayer at the air-water interface by MDC and SHG spectroscopy

    Mitsumasa Iwamoto, Takaaki Manaka, Z. C. Ou-Yang

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   257-258 ( 1 )   155 - 159   2005.5

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    Language:English   Publisher:Elsevier  

    DOI: 10.1016/j.colsurfa.2004.10.018

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  • Orientation of liquid crystal molecules on command surface LB monolayer studied by the surface potential and SHG technique

    Takaaki Manaka, Dai Taguchi, Dai Nakamura, Hajime Higa, Mitsumasa Iwamoto

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   257-258 ( 1 )   319 - 323   2005.5

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    Language:English   Publisher:Elsevier  

    DOI: 10.1016/j.colsurfa.2004.10.022

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  • Optical chirality of citronelloxy-cyanobiphenyl monolayer at an air-water interface studied by the MDC and SHG measurement

    R Tamura, T Manaka, M Iwamoto, T Itoh, J Watanabe

    CHEMICAL PHYSICS LETTERS   407 ( 4-6 )   337 - 341   2005.5

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  • Nano-interfacial space charge and single electron tunneling conduction in metal/polyimide/metal junctions

    Y Noguchi, T Manaka, M Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   345 - 349   2005.5

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  • Analysis of shear induced flow in liquid crystal monolayer

    M Iwamoto, T Manaka, T Yamamoto, ZC Ou-Yang

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   51 - 56   2005.5

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  • Analysis of dielectric polarization of organic monolayer at the air-water interlace by MDC and SHG spectroscopy

    M Iwamoto, T Manaka, ZC Ou-Yang

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   155 - 159   2005.5

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  • Electrostatic properties of polyethylene LB films on metal electrodes

    T Manaka, H Ohta, M Iwamoto, M Fukuzawa

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   287 - 290   2005.5

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  • SHG and MDC spectroscopy of chiral organic monolayer at the air-water interface

    T Manaka, H Fujimaki, H Ohtake, M Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   79 - 83   2005.5

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  • Orientation of liquid crystal molecules on command surface LB monolayer studied by the surface potential and SHG technique

    T Manaka, D Taguchi, D Nakamura, H Higa, M Iwamoto

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   257-58 ( 1 )   319 - 323   2005.5

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  • Study of interfacial polarization phenomena in organic films by MDC, SHG and surface potential measurement

    M Iwamoto, T Manaka, K Yoshizaki

    CURRENT APPLIED PHYSICS   5 ( 4 )   317 - 320   2005.5

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  • Detection of flexoelectric effect from 4-heptyloxy- 4′ -cyanobiphenyl monolayers at an air-water interface by Maxwell displacement current and optical second harmonic generation

    Tetsuya Yamamoto, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Chemical Physics   122 ( 16 )   164703   2005.4

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    DOI: 10.1063/1.1884597

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  • Investigation of the electrostatic phenomena at pentacene/metal interface by second-harmonic generation

    T Manaka, Y Suzue, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 4B )   2818 - 2822   2005.4

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  • Detection of nano-interfacial space charge field at metal-organic film interface by SHG and surface potential

    M Iwamoto, T Manaka, CQ Li

    CURRENT APPLIED PHYSICS   5 ( 2 )   171 - 173   2005.2

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  • Enhancement of surface potential buildup and decay of tris(8-quinolinato)aluminum film deposited on ultraviolet/ozone-treated gold electrodes

    N Kajimoto, MR Muhamad, SA Rahman, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 2 )   1091 - 1094   2005.2

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  • In situ observations of orientational ordering process of 4 &apos;-n-pentyl-4-cyanobiphenyl ultra-thin film using polarized absorption measurements

    D Taguchi, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 2 )   1037 - 1040   2005.2

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  • In situ observations of orientational ordering process of 4′-n-pentyl-4-cyanobiphenyl ultra-thin film using polarized absorption measurements

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   44 ( 2 )   1037 - 1040   2005.2

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  • Investigation of the interfacial electrostatic phenomena and its modification by the surface treatment

    MANAKA Takaaki, TAMURA Ryosuke, LIM Eunju, IWAMOTO Mitsumasa

    電子情報通信学会技術研究報告   2005 ( 44 )   47 - 50   2005.1

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  • Large surface potential of Alq(3) film and its decay

    K Yoshizaki, T Manaka, M Iwamoto

    JOURNAL OF APPLIED PHYSICS   97 ( 2 )   23703   2005.1

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  • Nanometric interfacial polarization phenomena in organic monolayer films studied by Maxwell displacement current-second harmonic generation spectroscopy

    R Tamura, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 1B )   519 - 522   2005.1

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  • Current-voltage characteristics of pentacene films: Effect of UV/ozone treatment on Au electrodes

    Y Suzue, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 1B )   561 - 565   2005.1

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    IPAP Conference Series   6   184 - 186   2005

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  • Detection of nano-interfacial space charge field at metal-organic film interface by SHG and surface potential

    Mitsumasa Iwamoto, Takaaki Manaka, Cheng-Quan Li

    Current Applied Physics   5 ( 2 )   171 - 173   2005

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    Language:English   Publisher:Elsevier  

    DOI: 10.1016/j.cap.2004.06.022

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  • Experimental Evidence of Surface Polarization in Organic Films and Control of Current-Voltage Characteristics by the Surface Polarization

    Mitsumasa Iwamoto, Takaaki Manaka

    IPAP Conference Series   6   63 - 68   2005

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    Norifumi Kajimoto, Takaaki Manaka, Mitsumasa Iwamoto

    IPAP Conference Series   6   184 - 186   2005

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  • Enhancement of Surface Potential Buildup and Decay of Alq3 Film Deposited on Ultraviolet/Ozone-Treated Gold Electrodes

    Norifumi Kajimoto, Muhamad, Rasat Muhamad, Saadah Abdul-Rahman, Takaaki Manaka, Mitsumasa Iwamoto

    Japanese Journal of Applied Physics   44 ( 2 )   1091 - 1094   2005

  • Detection of flexoelectric effect from 4-heptyloxy-4'-cyanobiphenyl monolayers at an air-water interface by Maxwell displacement current and optical second harmonic generation

    Tetsuya Yamamoto, Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Journal of Chemical Physics   122 ( 16 )   164703   2005

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  • Experimental Evidence of Surface Polarization in Organic Films and Control of Current-Voltage Characteristics by the Surface Polarization

    Mitsumasa Iwamoto, Takaaki Manaka

    IPAP Conference Series   6   63 - 68   2005

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  • Hybrid Bilayer Membrane(HBM)sの作製と表面形状の観測

    西村保広, WAGNER Robert, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • アゾベンゼン高分子膜上の5CB蒸着超薄膜の配向秩序評価

    田口大, 浜津誠, 北沢和紀, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

  • Maxwell変位電流法と光第二次高調波発生によるバナナ型分子からなる水面上単分子膜の配向評価

    山本哲也, 小口聡, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • ボトムコンタクト型ペンタセンFETにおけるC-V特性と界面処理効果

    LIM E, 間中孝彰, 田村亮祐, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構

    間中孝彰, LIM E, 田村亮祐, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • Brewster角反射光測定法による水面上有機単分子膜の配向評価

    WAGNER R, 山本哲也, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構 II

    田村亮祐, LIM E., 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

  • Alq3蒸着膜の巨大表面電位に対する電極処理効果

    梶本典史, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • 有機FETにおけるチャネル形成と界面電荷の評価

    間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2005 ( 2 )   2005

  • ポリエチレンLB膜のTSC電荷の測定

    福沢雅弘, 上原貴文, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2005 ( 2 )   2005

  • ペンタセンFETのチャネル部からの光第2次高調波発生

    間中孝彰, LIM E., 田村亮祐, 岩本光正

    応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

  • ナノ界面における液晶分子の配向方向と自発分極の関係

    田口大, 浜津誠, 北沢和紀, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   52nd ( 3 )   2005

  • 有機分子・バイオエレクトロニクス分科会奨励賞受賞記念講演 積層型有機単一電子トンネル接合における光誘起ゲート効果

    野口裕, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

  • Measurement of TSC charge of polyethylene LB film

    上原貴文, 中島章, 高野弘行, 今村光良, 間中孝彰, 岩本光正, 福沢雅弘

    九州産業大学工学部研究報告   ( 42 )   2005

  • MDC・SHG同時測定によるヘミシアニン水面上単分子膜の配向評価

    小口聡, 間中孝彰, 岩本光正

    分子構造総合討論会講演要旨集(CD-ROM)   2005   2005

  • ナノ界面の新規光電子機能

    岩本光正, 間中孝彰

    応用物理学関係連合講演会講演予稿集   52nd   2005

  • Surface potential measurement of evaporated 5CB molecules

    福沢雅弘, 山本圭佑, 石井裕樹, 古川英明, 田口大, 間中孝彰, 岩本光正

    九州産業大学工学部研究報告   ( 42 )   2005

  • 表面エネルギーと5CB液晶分子の配向秩序の関係

    田口大, 浜津誠, 北沢和紀, 間中孝彰, 岩本光正

    日本液晶学会討論会講演予稿集   2005   2005

  • Alq3蒸着膜に見られる巨大表面電位測定とその電位減衰機構に関する検討

    梶本典史, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   66th ( 3 )   2005

  • In-situ observation of 4 '-n-pentyl-4-cyanobiphenyl evaporated film growth by polarized absorption measurement

    D Taguchi, T Manaka, M Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E87C ( 12 )   2129 - 2131   2004.12

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  • Investigation of giant surface potential builtup across the Alq_3 films on a metal electrode by Kelvin probe and second-harmonic generation

    KAJIMOTO Norifumi, MANAKA Takaaki, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   104 ( 453 )   29 - 33   2004.11

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    Enhancement of the giant surface potential across the Alq_3 (Tris(S-quinolinolato) aluminum) evaporated films on Al electrode subjected to UV/ozone treatment was measured by Kelvin probe method, and the result was discussed based on a model of alignment of dipoles. It was found that orientaional order parameter and orientation angle of Alq_3 deposited on Al electrode varied from S_1=0.036 (θ=87.9°) to S_1=0.058 (θ=86.7°) by UV/ozone treatment. On the other hand, surface potential on UV/ozone treated Al was charged more negatively than that of Alq3 films deposited on untreated electrode. This indicates that the UV/ozone treatment caused the change of energetics of organic films at interface region. The potential decay of Alq_3 were observed; The potential of Alq_3 on UV/ozone treated Al decreased at a temperature of about 80-90 °C, whereas that of Alq_3 on untreated Al was decreased at a temperature of about 50-60℃. It indicates that the effective barrier height is enhanced by UV/ozone treatment.

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  • Monolayer dielectrics and generation of Maxwell-displacement current and optical second harmonics

    M Iwamoto, T Manaka, OY Zhong-Can

    IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION   11 ( 5 )   785 - 796   2004.10

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  • Measurement of surface potential at metal/organic-material interfaces by electro-absorption method

    XM Cheng, SW Yao, CQ Li, T Manaka, M Iwamoto

    CHINESE PHYSICS LETTERS   21 ( 10 )   2026 - 2028   2004.10

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  • 1D08 In-situ Observation of the Orientational Order Parameter S_2 of the Liquid Crystalline Ultra Thin Film on 6Az10PVA Monolayer

    Taguchi Dai, Kitazawa Kazuki, Hamatsu Makoto, Manaka Takaaki, Iwamoto Mitsumasa

    2004 ( 2004 )   32 - 33   2004.9

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    The orientational order parameter S_2 of the 4'-n-4-pentyl-cyanobiphenyl (5CB) ultra thin film on the 6Az10PVA (azobenzene side-chain polymer) monolayer was determined during 5CB deposition in the region of layer thickness between submonolayer thickness and several manometers. It was revealed that S_2 of the 5CB on the trans-form 6Az10PVA is greater than that of cis-form 6Az10PVA even in a few molecular thickness region. For 5CB film on the trans-form 6Az10PVA, S_2 reaches maximum in the first 5CB layer.

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  • 3D11 The characterization of the crystalline and liquid crystalline properties of organic monolayers at the air-water interface by means of the Maxwell displacement current and optical second harmonic generation technique

    Yamamoto Tetsuya, Taguchi Dai, Ohtake Hiroshi, Manaka Takaaki, Iwamoto Mitsumasa

    2004 ( 2004 )   100 - 101   2004.9

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    Organic monolayers at the air-water interface show the characteristic surface polarization phenomena, such as spontaneous polarization and non-linear polarization, due to their asymmetric structure. Maxwell displacement current (MDC) and second harmonic generation (SHG) measurement can detect these surface polarization phenomena, thus allows us to analyze the structure of monolayers. In the present study, the liquid crystalline properties of the monolayers, such as flow orientation and the flexoelectric effect, are investigated by MDC and SHG. It is concluded that monolayers at the air-water interface have the liquid crystalline property as well as the crystalline property.

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  • Electric-field-induced second harmonic generation from vacuuni-evaporated metallophthalocyanine film/metal electrode interface

    CQ Li, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   43 ( 4B )   2330 - 2334   2004.4

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  • Photoinduced gate modulation and temperature dependence in the Coulomb staircase of organic single electron tunneling junctions

    Y Noguchi, T Manaka, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   43 ( 4B )   2357 - 2361   2004.4

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  • Spectroscopic consideration of the surface potential built across phthalocyanine thin films on a metal electrode

    T Manaka, CQ Li, XM Cheng, M Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   120 ( 16 )   7725 - 7732   2004.4

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  • Investigation of single monolayer formation of the evaporated liquid crystalline molecules by the surface potential measurement

    T Manaka, H Higa, D Nakamura, D Taguchi, M Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E87C ( 2 )   183 - 184   2004.2

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  • Analysis of second-harmonic generation from CuttbPc LB film/metal interface

    XM Cheng, SW Yao, CQ Li, T Manaka, M Iwamoto

    CHINESE PHYSICS LETTERS   21 ( 1 )   153 - 155   2004.1

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  • Nano-Electrostatic phenomena at metal-Phthalocyanine film interface

    Kei Yoshizaki, Takaaki Manaka, Mitsumasa Iwamoto

    Transactions of the Materials Reserach Society of Japan   29 ( 3 )   739 - 742   2004

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  • Photoinduced molecular motion of the azobenzene monolayer investigated by Maxwell displacement current technique

    Takaaki Manaka, Yasushi Nakajima, Mitsumasa Iwamoto

    Molecular Crystals and Liquid Crystals   413   63 - 69   2004

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  • Detection of phase transition of 4-heptyloxy-4 '-n-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second harmonic generation measurement

    A Tojima, H Fujimaki, H Ootake, R Hiyoshi, T Manaka, M Iwamoto, OY Zhong-Can

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   412   1807 - 1813   2004

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  • Surface polarization in interfacial monolayer and SHG-MDC spectroscopy

    Mitsumasa Iwamoto, Takaaki Manaka, Atsushi Tojima

    Molecular Crystals and Liquid Crystals   424   7 - 15   2004

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  • Investigation of Single Monolayer Formation of the Evaporated Liquid Crystalline Molecules by the Surface Potential Measurement

    Takaaki Manaka, Hajime Higa, Dai Nakamura, Dai Taguchi, Mitsumasa Iwamoto

    IEICE Transactions on Electronics   87 ( 2 )   183 - 184   2004

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  • Characterization of Organic Devices - In-situ Observation of 4'-n-pentyl-4-cyanobiphenyl Evaporated Film Growth by Polarized Absorption Measurement

    Dai Taguchi, Takaaki Manaka, Mitsumasa Iwamoto

    IEICE Transactions on Electronics   2004   2129 - 2191   2004

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  • Study of orientational order parameters of 4-octyl-4 '-n-cyanobiphenyl Langmuir films by Maxwell displacement current measurement coupled with optical second harmonic generation measurement

    A Tojima, R Hiyoshi, H Fujimaki, H Ootake, T Manaka, M Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   412   1799 - 1806   2004

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  • Nano-Electrostatic phenomena at metal-Phthalocyanine film interface

    Kei Yoshizaki, Takaaki Manaka, Mitsumasa Iwamoto

    Transactions of the Materials Reserach Society of Japan   29 ( 3 )   739 - 742   2004

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  • Surface polarization in interfacial monolayer and SHG-MDC spectroscopy

    M Iwamoto, T Manaka, A Tojima

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   424   7 - 15   2004

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  • Photoinduced molecular motion of the azobenzene monolayer investigated by Maxwell displacement current technique

    T Manaka, Y Nakajima, M Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   413   2199 - 2205   2004

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  • Detection of phase transition of 4-heptyloxy-4 '-n-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second harmonic generation measurement

    A Tojima, H Fujimaki, H Ootake, R Hiyoshi, T Manaka, M Iwamoto, OY Zhong-Can

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   412   1807 - 1813   2004

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  • Study of orientational order parameters of 4-octyl-4 '-n-cyanobiphenyl Langmuir films by Maxwell displacement current measurement coupled with optical second harmonic generation measurement

    A Tojima, R Hiyoshi, H Fujimaki, H Ootake, T Manaka, M Iwamoto

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   412   1799 - 1806   2004

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  • 5CB液晶分子層成長過程における配向オーダーパラメータS1,S2,S3の評価

    田口大, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   65th ( 3 )   2004

  • Photoirradiation Effect on the Current-Voltage Characteristics of Organic Single-Electron Tunneling Junctions

    野口裕, 久保田徹, 益子信郎, 若山裕, 間中孝彰, 岩本光正

    電子情報通信学会技術研究報告   104 ( 289(OME2004 50-62) )   2004

  • Preparation of Hybrid Bilayer Membrane (HBM) and it’s I-V characteristics

    西村保広, WAGNER R, 間中孝彰, 岩本光正

    電気電子絶縁材料システムシンポジウム予稿集   35th   2004

  • Alq3薄膜における表面電位発生とケルビン容量法,非線形光学的手法によるその評価

    間中孝彰, 吉崎圭, 志岐明, 岩本光正

    電気学会全国大会講演論文集   2004 ( 2 )   2004

  • Investigation of the electrostatic phenomena at pentacene/metal interface; Electrical and optical approach for the study of FET operation

    Takaaki Manaka, Yuuma Suzue, Mitsumasa Iwamoto

    Extended Abstructs of the2004 International Conference on Solid State Devices and Materials, Tokyo   860 - 861   2004

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  • ポリエチレンLB膜によるTSC電荷と絶縁破壊電圧の測定

    福沢雅弘, 上原貴文, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2004 ( 2 )   2004

  • Alq3蒸着膜の巨大表面電位の光応答

    吉崎圭, 志岐明, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • 有機単分子膜の圧電効果とフレクソエレクトリック効果の解析

    山本哲也, 田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • バナナ型分子が構成する水面上単分子膜の変位電流及び光第2次高調波測定

    大竹宏志, 田村亮祐, 間中孝彰, 岩本光正, 渡辺順次

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • UV洗浄電極上ペンタセン薄膜の表面電位

    鈴江祐馬, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • R-CCB,S-CCB水面上単分子膜のマスクウェル変位電流・光第二次高調波測定

    田村亮祐, 大竹宏志, 間中孝彰, 岩本光正, 渡辺順次

    応用物理学会学術講演会講演予稿集   65th ( 3 )   2004

  • 第二次高調波発生・Maxwell変位電流による4-heptyloxy-4′-cyanobiphenyl単分子膜のずり流動効果の温度特性の評価

    山本哲也, 大竹宏志, 間中孝彰, OU-YANG Z C, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • Enchantment of surface potential buildup and the I-V characteristics of organic molecular films controlled by nano -electrostatic interfacial charge

    Mitsumasa Iwamoto, Takaaki Manaka

    International Conference on Quantum Transport in Synthetic Metals & Quantum Functional Semiconductors, 2004l,Phoenix Park in Gangwoon-do,Korea   I-7,26-27   2004

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  • NANO ELECTROSTATIC PHENOMENA AT A PENTACENE/METAL INTERFACE STUDIED BY THE ELECTRICAL AND OPTICAL METHODS, AND THE RGANIC FET OPERATION

    Takaaki Manaka, Mitsumasa Iwamoto

    The 4th International Discussion & Conference on Nano Interface Controlled Electronic Devices, Oct. 6-9,2004, Kyongju, Korea,   54 - 55   2004

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  • 水面上単分子膜のマックスウェル変位電流・光第二時高調波測定

    田村亮祐, 大竹宏史, 間中孝彰, 岩本光正, 渡辺順次

    第65回応用物理学会学術講演会   4p-ZG -3   2004

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  • Nanometric Interfacial polarization phenomena in organic mono and multilayer films: MDC and SHG spectroscopy

    Mitsumasa Iwamoto, Takaaki Manaka

    Abstract Booklet of the 2004 International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies, June 7-10,Niigata, Japan,   I-A4,14   2004

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  • ALQ3 蒸着膜の巨大表面電位と金属表面処理の効果

    梶本典史, 間中孝彰, SadahA.Rahman MuhamadR.Muhamad, 岩本光正

    第65回応用物理学会学術講演会   65th ( 3 )   2a-N-8   2004

  • アセン形分子薄膜で観測される光第2次高調波

    間中孝彰, 岩本光正

    第65回応用物理学会学術講演会   65th ( 3 )   3p-ZW-20   2004

  • 偏光吸光度法による液晶分子層成長過程における界面での配向秩序のその場観察

    田口大, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • ガラスおよび金属基板上ペンタセン薄膜のSHGスペクトル評価

    間中孝彰, LI C Q, CHENG X M, 岩本光正

    応用物理学関係連合講演会講演予稿集   51st ( 3 )   2004

  • 水面上キラル分子膜の変位電流及び光第2次高調波測定

    大竹宏志, 田村亮祐, 間中孝彰, 岩本光正

    電気学会全国大会講演論文集   2004 ( 2 )   2004

  • Investigation of the surface potential built across the Alq3 films on a metal electrode by Kelvin probe and second-harmonic generation

    YOSHIZAKI Kei, MANAKA Takaaki, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   103 ( 441 )   19 - 23   2003.11

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    Surface potential built across the Alq3 (Tris(8-quinolinolato)aluminum) evaporated films on metal electrode was measured by Kelvin probe method and was discussed based on the alignment of the dipoles and the presence of excess charges. The alignment of the dipoles was also investigated by the nonlinear optical measurement. As a result, huge surface potential decrease as the light irradiation with a wavelength of 400nm. It is found that excess charges contribute mainly to the surface potential after the irradiation. Orientational order parameter and orientation angle was estimated as S_1=<cosθ>= 0.07(θ= 85.9°), respectively for as-deposited film under the dark condition. On the other hand, five times decrease of the SH intensity was confirmed with the light irradiation indicating the disappearance of the polar orientation. Finally, wavelength dependence of the polarization consumption was investigated, and the fundamental light with a wavelength of 900 nm can actually disappear the polarization due to the two-photon excitation.

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  • Second-harmonic generation and Maxwell displacement current spectroscopy of chiral organic monolayers at the air-water interface

    H Fujimaki, T Manaka, H Ohtake, A Tojima, M Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   119 ( 14 )   7427 - 7434   2003.10

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  • Electrostatic properties of polyethylene Langmuir-Blodgett film

    T Manaka, H Ohta, M Fukuzawa, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   42 ( 10 )   6473 - 6476   2003.10

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  • Detection of the reversible flow behavior of 4-heptyloxy-4 '-cyanobiphenyl monolayer at air-water interface by compression and expansion with Maxwell displacement current and optical second harmonic generation

    T Yamamoto, A Tojima, T Manaka, M Iwamoto

    CHEMICAL PHYSICS LETTERS   378 ( 3-4 )   428 - 433   2003.9

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  • Single-electron transport in metal/polyimide:C60/metal junction

    Yutaka Noguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   438-439 ( 1 )   369 - 373   2003.8

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  • Detection of phase transition of 4-alkoxy-4'-n-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second-harmonic generation measurements

    A Tojima, H Fujimaki, T Manaka, M Iwamoto

    THIN SOLID FILMS   438 ( 1 )   440 - 444   2003.8

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  • Electrical properties of unsubstituted/fluorine-substituted phthalocyanine interface investigated by Kelvin probe method

    T Manaka, M Iwamoto

    THIN SOLID FILMS   438 ( 1 )   157 - 161   2003.8

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  • Single-electron transport in metal /polyimide : C-60/metal junction

    Y Noguchi, T Manaka, M Iwamoto

    THIN SOLID FILMS   438 ( 1 )   369 - 373   2003.8

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  • Static electric field effect in the second harmonic generation from phthalocyanine film/metal electrode

    CQ Li, T Manaka, M Iwamoto

    THIN SOLID FILMS   438 ( 1 )   162 - 166   2003.8

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  • Instrument equipped with Maxwell displacement current and optical second-harmonic generation measurement system

    A Tojima, T Manaka, M Iwamoto

    REVIEW OF SCIENTIFIC INSTRUMENTS   74 ( 5 )   2828 - 2835   2003.5

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  • Study of second harmonic generation from copper-tetra-tert-butyl-phthalocyanine Langmuir-Blodgett film/metal interface

    CQ Li, T Manaka, XM Cheng, M Iwamoto

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   42 ( 4B )   2516 - 2522   2003.4

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  • Compression-shear-induced tilt azimuthal orientation of amphiphilic monolayers at the air-water interface: A C-infinity -&gt; C-2 upsilon transition in the flow of a two-dimensional hexatic structure

    M Iwamoto, A Tojima, T Manaka, OY Zhong-can

    PHYSICAL REVIEW E   67 ( 4 )   41711   2003.4

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  • Detection of phase transition of monolayers at the air-water interface by compression using Maxwell displacement current and optical second harmonic generation

    A Tojima, T Manaka, M Iwamoto, OY Zhong-can

    JOURNAL OF CHEMICAL PHYSICS   118 ( 12 )   5640 - 5649   2003.3

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  • Electrostatic charge effect on the orientational distribution of molecules on the water surface

    T Yamamoto, T Manaka, M Iwamoto

    CHEMICAL PHYSICS LETTERS   368 ( 3-4 )   370 - 376   2003.1

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  • Electrostatic charge effect on the orientational distribution of molecules on the water surface

    Tetsuya Yamamoto, Takaaki Manaka, Mitsumasa Iwamoto

    Chemical Physics Letters   368 ( 3 )   370 - 376   2003

  • SHG-MDC spectroscopy for liquid crystal monolayers

    Mitsumasa Iwamoto, Takaaki Manaka, Atsushi Tojima

    Molecular Crystals and Liquid Crystals   400   1 - 11   2003

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  • Electrical properties of unsubstituted/fluorine-substituted phthalocyanine interface investigated by Kelvin probe method

    Takaaki Manaka, Mitsumasa Iwamoto

    Thin Solid Films   438 ( 1 )   157 - 161   2003

  • SHG-MDC spectroscopy for liquid crystal monolayers

    M Iwamoto, T Manaka, A Tojima

    MOLECULAR CRYSTALS AND LIQUID CRYSTALS   400   1 - 11   2003

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  • 表面電位法,光第2次高調波発生法によるコマンドサーフェス上液晶分子層の配向評価

    間中孝彰, 比嘉一, 中村大, 岩本光正

    応用物理学関係連合講演会講演予稿集   50th ( 3 )   2003

  • 第二次高調波発生およびMaxwell変位電流による4-hexyloxy-4’-cyanobiphenyl単分子膜のずり流動に起因する配向変化の温度特性

    山本哲也, 大竹宏志, 間中孝彰, OU-YANG Z C, 岩本光正

    応用物理学会学術講演会講演予稿集   64th ( 3 )   2003

  • ポリエチレンLB膜の作製と表面電位法による帯電特性の評価

    間中孝彰, 太田英樹, 岩本光正

    電気学会全国大会講演論文集   2003 ( 2 )   2003

  • フッ素置換フタロシアニンの表面電位と熱処理効果の検討

    吉崎圭, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   50th ( 3 )   2003

  • 有機単電子トンネル素子における光誘起ゲート効果の金属/ポリイミド界面空間電荷による検討

    野口裕, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   64th ( 3 )   2003

  • Electric Field Induced Second Harmonic Generation from Vacuum Evaporated Metal-Phthalocyanine Film/Metal Electrode Interface

    Cheng-Quan Li, Takaaki Manaka, Misumasa Iwamoto

    Extended Abstructs of the 2003 International Conference on solid State Devices and Materilas,(Tokyo)   772 - 773   2003

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  • Phtoinduced Gate Operation and Temperature Dependence in the Coulomb Staircase of Organic Single Electron Tunneling Junctions

    Yutaka Noguchi, Takaaki Manaka, Mitsumasa Iwamoto

    Extended Abstructs of the 2003 International Conference on Solid State Devices and Materials(Tokyo)   786 - 787   2003

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  • Compression-shear-induced tilt azimuthal orientation of amphiphilic monolayers at the air-water interface: A C(inf)-->C2v transition in the flow of a two-dimensional hexatic structure

    Mitsumasa Iwamoto, Atsushi Tojima, Takaaki Manaka Ou-Yang, Zhong-can

    Physical Review E   67 ( 4,Pt.1 )   041711   2003

  • Light-Induced gate operation in single electron tunneling device using organic thin films

    Yutaka Noguchi, Yuma Suzue, Youhei Hirota, Takaaki Manaka, Mitsumasa Iwamoto

    Second International Confernce on Molecular Electronics and Bioelectronics (M&BE2)   97   2003

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  • 有機超薄膜を用いた単電子トンネル素子における光誘起ゲート効果

    野口裕, 鈴江祐馬, 広田洋平, 間中孝彰, 岩本光正

    応用物理学関係連合講演会講演予稿集   50th ( 3 )   2003

  • キラルな分子からなる水面上単分子膜の変位電流と光第2次高調波の同時測定

    藤巻宏史, 大竹宏志, 渡嶋淳, 間中孝彰, 岩本光正, 渡辺順次

    応用物理学関係連合講演会講演予稿集   50th ( 3 )   2003

  • Alq3の表面電位と界面電子状態の解析

    吉崎圭, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   64th ( 3 )   2003

  • Electric field induced second harmonic generation from ultrathin metalophthalocyanine film/metal electrode

    Chen-Quan Li, Takaaki Manaka, Mitsumasa Iwamoto

    The Second China-Japan Bilateral Workshop on Experiment and Theory of Soft materials, Beijing, China Oct.5-7   NO5   2003

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  • 分子膜ナノ界面の電子的構造

    岩本光正, 間中孝彰

    静電気学会誌   27 ( 2 )   58 - 63   2003

  • 水面上有機単分子膜の配向変化の解析と第二次高調波発生(SHG)・Maxwellの変位電流(MDC)測定:ずり流動の効果

    山本哲也, 大竹宏志, 藤巻宏史, 渡嶋淳, 間中孝彰, OU-YANG Z C, 岩本光正

    応用物理学関係連合講演会講演予稿集   50th ( 3 )   2003

  • キラル分子が構成する水面上単分子膜の変位電流及び光第2次高調波測定

    大竹宏志, 山本哲也, 間中孝彰, 岩本光正, 渡辺順次

    応用物理学会学術講演会講演予稿集   64th ( 3 )   2003

  • 表面電位法・光第2次高調波発生法によるコマンドサーフェス上液晶分子層の配向変化評価

    間中孝彰, 田口大, 岩本光正

    応用物理学会学術講演会講演予稿集   64th ( 3 )   2003

  • Second harmonic generation from copper-tetratert-butyl-phthalocyanine Langmuir-Blodgett film/metal interface: Electric quadrupole or electric field induced second harmonic generation effect?

    CQ Li, T Manaka, XM Cheng, M Iwamoto

    JOURNAL OF APPLIED PHYSICS   92 ( 11 )   6390 - 6398   2002.12

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  • Maxwell displacement current and optical second harmonic generation of chiral monolayer at the air-water interface

    FUJIMAKI Hiroshi, OOTAKE Hiroshi, TOJIMA Atsushi, MANAKA Takaaki, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   102 ( 435 )   13 - 18   2002.11

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    Using monolayer of chiral molecule; (S)-citronelloxy-cyanobiphenyl (CCB) and achiral molecule; 4'-hexyloxy-4-cyanobiphenyl (6OCB) at the air-water interface, Maxwell displacement current and optical second harmonic generation was examined by monolayer compression. The chirality of CCB monolayer was detected in the SHG measurement, it was was carried out by changing the polarized angle of incidence light, whereas it was difficult owing to the small nonlinear susceptibility s_14 of CCB molecule. The tilt angle of domains of CCB and 6OCB monolayers was estimated to be 45° in the region where monolayer has C_cov -symmetry.

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  • Investigation of surface potential occurring at metal/phthalocyanine interfaces by electro-absorption technique

    T Manaka, XM Cheng, CQ Li, M Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E85C ( 6 )   1328 - 1329   2002.6

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  • Investigation of surface potential occurring at metal/phthalocyanine interfaces by electro-absorption technique

    T Manaka, XM Cheng, CQ Li, M Iwamoto

    IEICE TRANSACTIONS ON ELECTRONICS   E85C ( 6 )   1328 - 1329   2002.6

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  • Generation of Maxwell-displacement current due to tilting phase transition of amphiphile monolayers on water surface

    M Iwamoto, T Manaka, A Tojima, OY Zhong-can

    CHEMICAL PHYSICS LETTERS   359 ( 1-2 )   169 - 175   2002.6

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  • Determination of dipole moment of azobenzene dendrimer by Maxwell-displacement-current measurement for Langmuir monolayer

    T Manaka, D Shimura, M Iwamoto

    CHEMICAL PHYSICS LETTERS   355 ( 1-2 )   164 - 168   2002.3

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  • Spectroscopic Investigation of the Surface Potential Built Across the Phthalocyauine Films on the Metal Electrode.

    間中孝彰, LI C Q, CHENG X, 岩本光正

    電子情報通信学会論文誌 C   85C ( 12 )   1121 - 1126   2002

  • Organic Molecules for Electronics.

    岩本光正, 間中孝彰, 渡嶋淳

    電子情報通信学会論文誌 C   85C ( 3 )   111 - 116   2002

  • Investigation of the organic monolayers by Maxwell displacement current and optical second harmonic generation

    IWAMOTO Mitsumasa, MANAKA Takaaki, TOJIMA Atsushi

    応用物理   71 ( 12 )   1502 - 1507   2002

  • Detection of Tilting Phase Transition in Monolayers at Air-water Interface by Maxwell-displacement current and Optical Second Harmonic Generation Measurement

    Mitsumasa Iwamoto, Takaaki Manaka, Atsushi Tojima

    KIEE International Transactions on EA   12C ( 2 )   64 - 69   2002

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  • Detection of Tilting Phase Transition in Monolayers at Air-water Interface by Maxwell-displacement current and Optical Second Harmonic Generation Measurement

    Mitsumasa Iwamoto, Takaaki Manaka, Atsushi Tojima

    KIEE International Transactions on EA   12C ( 2 )   64 - 69   2002

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  • 有機分子とエレクトロニクス

    85C ( 3 )   111 - 116   2002

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  • フタロシアニンの結晶多型による表面電位の変化

    間中孝彰, 伊藤邦彦, 程暁曼, 岩本光正

    H.14春季第49回応用物理学関係連合講演会   3 ( 3 )   1248(28p-M-6)   2002

  • ポリエチレンLB膜の作製とその帯電特性

    太田英樹, 崔榮鎰, 間中孝彰, 岩本光正

    H.14電気学会基礎・材料・共通部門大会   2002 ( 3 )   220(VI-3)   2002

  • Optical Second Harmonic Generation of Copper-tetra-tert-butyl Phthalocyanine LB film on the surface of Metal

    Cheng Xiao Man, Li Chengquan, Takaaki Manaka, Mitsumasa Iwamoto

    Science in China (Series B)   32   450 - 455   2002

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  • Detection of phase transition of 4-alkoxy-4'-n - Cyanobiphenyl Langmuir films by Maxwell displacement current and optical second-harmonic generation measurements

    A. Tojima, H. Fujimaki, T.Manaka, M. Iwamoto

    The 5th International Conference on Nano-Molecualr Electronics (ICNME2002),Seaside Hotel Maiko Villa, Kobe, Japan, Dec.10-12   209 - 210   2002

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  • フッ素置換フタロシアニンの界面電子性準位に対する表面電位による検討

    間中孝彰, 李成全, 岩本光正

    H.14第63回応用物理学会学術講演会(新潟大学)   3 ( 3 )   1105(26p-ZF-2)   2002

  • 変位電流及びSHG測定による7OCB水面上単分子膜の相転移現象の観測

    渡嶋淳, 日吉良平, 藤巻宏史, 大竹宏志, 間中孝彰, 岩本光正

    H.14春季第49回応用物理学関係連合講演会   3 ( 3 )   1224(29a-N-11)   2002

  • 変位電流及びSHG測定によるnOCB水面上単分子膜のアルキル鎖長依存性

    渡嶋淳, 藤巻宏史, 大竹宏志, 間中孝彰, 岩本光正

    H.14秋季第63回応用物理学会学術講演会(新潟大学)   3 ( 3 )   1086(25p-ZE-3)   2002

  • シアノビフェニルを含むアゾベンゼン水面上単分子膜の変位電流測定

    中島寧, 間中孝彰, 岩本光正, 関隆広

    応用物理学関係連合講演会講演予稿集   49th ( 3 )   2002

  • C60・ポリイミド混合膜を用いたMIM構造素子の電流ー電圧特性

    野口裕, 鈴江祐馬, 間中孝彰, 岩本光正

    第63回応用物理学会学術講演会9/24-27,2002,新潟大学   3 ( 3 )   1108(26a-ZF-12)   2002

  • 変位電流測定による アゾベンゼンデンドリマーの光異性化反応及び、ダイポールモーメントの検討

    間中孝彰, 志村大輔, 岩本光正, 久保田徹, 横山士吉, 益子信郎

    H.14春季第49回応用物理学関係連合講演会   3 ( 3 )   1222(29a-N-7)   2002

  • 非線型分光法による フタロシアニン薄膜における表面電位の評価

    間中孝彰, 李成全, 岩本光正

    H.14電気学会全国大会(新潟大学)   2002 ( 2 )   150(2-136)   2002

  • 液晶性7OCB単分子膜のMDC及びSHG測定

    大竹宏志, 藤巻宏史, 渡嶋淳, 間中孝彰, 岩本光正

    H.14電気学会基礎・材料・共通部門大会   2002   221(VI-4)   2002

  • Electrical properties of organic single electron tunneling device

    Tohru Kubota, Shiyoshi Yokoyama, Tatsuo Nakahama, Shinro Mashiko, Yutaka Noguchi, Kazuhito Hashizume, Takaaki Manaka, Mitsumasa Iwamoto

    Proceedings of the International Symposium on Electrical Insulating Materials   541 - 544   2001.12

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  • Photoisomerization of azobenzene dendrimer monolayer investigated by Maxwell displacement current technique

    D Shimura, T Manaka, M Nakamoto, W Zhao, Y Majima, M Iwamoto, S Yokoyama, T Kubota, S Mashiko

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   40 ( 12 )   7085 - 7090   2001.12

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  • Orientation order study of monolayers at the air-water interface by Maxwell-displacement current and optical second harmonic generation

    A. Tojima, T. Manaka, M. Iwamoto

    Journal of Chemical Physics   115 ( 19 )   9010 - 9017   2001.11

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    DOI: 10.1063/1.1413738

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  • Orientational order study of monolayers at the air-water interface by Maxwell-displacement current and optical second harmonic generation

    A Tojima, T Manaka, M Iwamoto

    JOURNAL OF CHEMICAL PHYSICS   115 ( 19 )   9010 - 9017   2001.11

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  • Orientational order study of 4-alkyl-4 '-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second harmonic generation measurements

    A Tojima, Y Matsuo, R Hiyoshi, T Manaka, Y Majima, M Iwamoto

    THIN SOLID FILMS   393 ( 1-2 )   86 - 91   2001.8

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  • Orientational order study of 4-alkyl-4 '-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second harmonic generation measurements

    A Tojima, Y Matsuo, R Hiyoshi, T Manaka, Y Majima, M Iwamoto

    THIN SOLID FILMS   393 ( 1-2 )   86 - 91   2001.8

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  • Enhancement of second-harmonic generation for phthalocyanine Langmuir-Blodgett films on metal electrodes

    T Manaka, M Iwamoto

    THIN SOLID FILMS   393 ( 1-2 )   119 - 123   2001.8

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  • The C_<∞, v>→Cs phase transition in organic monolayer at the air-water interface and Analysis of Maxwell-displacement current

    Tojima Atushi, Hiyosi Ryohei, Manaka Takaaki, Iwamoto Mitsumasa

    Technical report of IEICE. OME   101 ( 226 )   13 - 17   2001.7

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    We have developed a Maxwell-displacement-current measurement system coupled with optical second harmonic generation(SHG)measurement system for the study of orientational orders in langmuir-films. In this study, we analyze the phase transition behavior of Langmuir films due to the C_<∞, v> →C_s phase transition, and the show that the MDC and SHG measurement is very helpful for the detection of this transition.Finally we examine the phase transition behavior of fatty acid monolayer due to this transition by Maxwell-displacement current measurement.

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  • Enhancement of second-harmonic generation for phthalocyanine Langmuir-Blodgett films on metal electrodes

    Takaaki Manaka

    Thin Solid Films   393   119   2001

  • Study of Linear and Nonlinear Dielectric Properties of Monolayers by Maxwell-Displacement Current and Optical second Harmonic Generation Measurements

    A.Tojima, T.Manaka, M.Iwamoto

    Proceedings of 2001 International Symposium on Electrical Insulating Materials(ISEIM 2001)   1   603 - 606   2001

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  • Orientational order study of 4-alkyl-4′-cyanobiphenyl Langmuir films by Maxwell displacement current and optical second harmonic generation measurements.

    渡嶋淳, 松尾洋介, 日吉良平, 間中孝彰, 真島豊, 岩本光正

    電子情報通信学会技術研究報告   101 ( 39(OME2001 9-16) )   2001

  • 金属上フタロシアニンLB膜における光第2次高調波分光

    間中孝彰, 飯倉睦人, 岩本光正

    応用物理学関係連合講演会講演予稿集   48th ( 3 )   2001

  • アゾベンゼンデンドリマーの光変位電流の解析

    志村大輔, 中本雅之, 中島寧, 間中孝彰, 真島豊, 岩本光正, 久保田徹, 横山士吉, 益子信郎

    応用物理学関係連合講演会講演予稿集   48th ( 3 )   2001

  • フタロシアニンLB膜の非線型光学特性

    CHENG X, 間中孝彰, LI C, 岩本光正

    高分子学会予稿集   50 ( 13 )   2001

  • ポリイミドLB膜を用いたネマティック液晶セルの光応答特性と解析

    若山雄一, 徳井圭, 間中孝彰, 真島豊, 岩本光正

    応用物理学関係連合講演会講演予稿集   48th ( 3 )   2001

  • 変位電流及び光第2次高調波による8CB水面上単分子膜の測定

    渡嶋淳, 日吉良平, 松尾洋介, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   62nd ( 3 )   2001

  • 水面上単分子膜の圧縮過程のおけるC∞VからCSへの相転移の解析

    日吉良平, 渡嶋淳, 松尾洋介, 間中孝彰, 岩本光正

    応用物理学会学術講演会講演予稿集   62nd ( 3 )   2001

  • 変位電流及び光第2次高調波測定によるnCB水面上単分子膜の配向オーダパラメータの評価

    渡嶋淳, 松尾洋介, 日吉良平, 間中孝彰, 真島豊, 岩本光正

    応用物理学関係連合講演会講演予稿集   48th ( 3 )   2001

  • Analysis of Electrostatic Phenomena at CuttbPc LB Film/Metal Interface by SHG.

    LI C-Q, CHENG X-M, 間中孝彰, 岩本光正

    電気学会誘電・絶縁材料研究会資料   DEI-01 ( 104-113 )   2001

  • Study of orientational orders in langmuir monolayers by maxwell-displacement current and optical second harmonic generation measurements: I. Theory

    M.Iwamoto, T. Manaka, A.Tojima, Y.Matsuo

    Proceedings of the First International Symposium on Advanced Fluid Information, Sendai   737 - 740   2001

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  • 変位電流および光第2次高調波による水面上単分子膜の配向オーダーパラメータの評価

    松尾洋介, 渡嶋淳, 日吉良平, 間中孝彰, 真島豊, 岩本光正

    電気学会全国大会講演論文集   2001 ( 2 )   2001

  • 金属上フタロシアニンLB膜における光第2次高調波分光

    間中孝彰, 飯倉睦人, 岩本光正

    電気学会全国大会講演論文集   2001 ( 2 )   2001

  • SHG-MDC spectroscopy for Liquid Crystal Monolayers (invited)

    M.Iwamoto, T.Manaka, A.Tojima

    Second Angro-Japanese Seminar on Liquid Crystals 5th-7th September Novotel,York,United Kingdom   52   2001

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  • Maxwell-displacement current-opitcalsecond harmonic generation (MDC-SHG) spectroscopy of organic monolayes

    A. Tojima, T.Manaka, M.Iwamoto

    Proceedings of the 4th Internaional Conference on Materials for Resources 2001 Akita,   Vol.1   173 - 178   2001

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  • Defection of tilting phase transition in monolayers at air water interface by maxwell-displacement current and optical-second harmonic generation measurements

    M.Iwamoto, T.Manaka, A.Tojima

    OA1,The Ist International Discussion Conference on Nano Interface controled Electron Devices,Kyongju,Korea   12 - 13   2001

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  • Optical response of nematic liquid crystal cell with polyimide Langmuir-Blodgett alignment layers

    WAKAYAMA Yuichi, MANAKA Takaaki, MAJIMA Yutaka, IWAMOTO Mitsumasa

    Technical report of IEICE. OME   100 ( 400 )   33 - 38   2000.10

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    Polyimide as alignment layer induces optical reversible switching of nematic liquid crystal(NLC)when ultraviolet(UV)light is exposed. The optical switching of NLC is that the orientation of 5CB molecules changes from homogeneous to homeotropic alignment on exposuring UV light with applying dc voltage. In this report, optical response of NLC cells with two kinds of polyimides as alignment layers is examined by the capacitance and light transmittance simultaneous measurement. The electrostatic property of PI LB films is also examined by the surface potential measurement in connection with the optical switching of NLC.

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  • Highly aligned alpha-type copper phthalocyanine formed on rubbed polyimide alignment layer

    T Manaka, K Taguchi, K Ishikawa, H Takezoe

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   39 ( 8 )   4910 - 4911   2000.8

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  • Highly aligned alpha-type copper phthalocyanine formed on rubbed polyimide alignment layer

    T Manaka, K Taguchi, K Ishikawa, H Takezoe

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   39 ( 8 )   4910 - 4911   2000.8

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  • Large order-disorder transition in polydihexylsilane films as studied by second-harmonic generation spectroscopy

    T Manaka, H Hoshi, K Ishikawa, H Takezoe, S Koshihara, M Kira, T Miyazawa

    CHEMICAL PHYSICS LETTERS   317 ( 3-5 )   260 - 263   2000.2

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  • Order-disorder transition in polysilane films as studied by second-harmonic generation spectrosscopy

    T.Manaka, H. Hoshi, K. Ishikawa, H. Takezoe, S. Koshihara, M. Kira, T. Miyazawa

    Chemical Physics Letters   317   260   2000

  • 平面型フタロシアニン配向薄膜の非線形分光測定

    間中孝彰, 田口浩平, 大藤将人, 星肇, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   61st ( 3 )   2000

  • ポリイミド配向膜による平面型フタロシアニン配向薄膜作成(2)

    大藤将人, 田口浩平, 間中孝彰, 星肇, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   61st ( 3 )   2000

  • 変位電流測定によるアゾベンゼンデンドリマーの誘起電荷量の温度特性

    志村大輔, 間中孝彰, 真島豊, 岩本光正, 久保田徹, 横山士吉, 益子信郎

    応用物理学会学術講演会講演予稿集   61st ( 3 )   2000

  • Temperature dependence of MDC charges in Azobenzen-dendrimer monolayer and it’s analysis.

    志村大輔, 間中孝彰, 真島豊, 岩本光正, 久保田徹, 横山士吉, 益子信郎

    電気学会誘電・絶縁材料研究会資料   DEI-00 ( 77-86 )   2000

  • Measurement of orientational order-parameters of liquid crystal monolayer by Second-Harmonic-Generation and Maxwell-Displacement-Current.

    松尾洋介, 日吉良平, 渡嶋淳, 間中孝彰, 真島豊, 岩本光正

    電気学会誘電・絶縁材料研究会資料   DEI-00 ( 87-95 )   2000

  • ポリイミド配向膜による平面型フタロシアニン配向薄膜作成(1)

    田口浩平, 大藤将人, 間中孝彰, 星肇, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   61st ( 3 )   2000

  • 分子軌道計算によるSHGスペクトルのポリエン鎖長依存性

    間中孝彰, 星肇, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   61st ( 3 )   2000

  • Measurement of orientational order-parameters of liquid crystal monolayer by Second-Harmonic-Generation and Maxwell-Displacement-Current.

    松尾洋介, 日吉良平, 渡嶋淳, 間中孝彰, 真島豊, 岩本光正

    電子情報通信学会技術研究報告   100 ( 425(OME2000 141-149) )   2000

  • Observation of the forbidden excited states in vanadylphthalocyanine by means of second-harmonic generation spectroscopy

    Takaaki Manaka

    Nonlinear Optics   22   103   1999

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  • Observation of the forbidden excited states in vanadylphthalocyanine by means of second-harmonic generation spectroscopy

    Takaaki Manaka

    Nonlinear Optics   22   103   1999

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  • Observation of the lowest A(g) excited state lying in the optical gap in polydiacetylene by means of second-harmonic generation spectroscopy

    T Manaka, T Yamada, H Hoshi, K Ishikawa, H Takezoe

    SYNTHETIC METALS   95 ( 2 )   155 - 158   1998.6

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  • Optical second harmonic generation spectra in vacuum-deposited thin films of various phthalocyanines

    T Yamada, T Manaka, H Hoshi, K Ishikawa, H Takezoe

    JOURNAL OF PORPHYRINS AND PHTHALOCYANINES   2 ( 2 )   133 - 137   1998.3

  • Optical second harmonic generation spectra in vacuum-deposited thin films of various phthalocyanines

    T Yamada, T Manaka, H Hoshi, K Ishikawa, H Takezoe

    JOURNAL OF PORPHYRINS AND PHTHALOCYANINES   2 ( 2 )   133 - 137   1998.3

  • SHG spectroscopy of oriented phthalocyanine thin films.

    田口浩平, 間中孝彰, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   59th ( 3 )   1998

  • Observation of the forbidden excited states in poly-silane by means of SH spectroscopy.

    間中孝彰, 星肇, 石川謙, 竹添秀男, 宮沢貴士, 腰原伸也, 吉良満夫

    応用物理学会学術講演会講演予稿集   59th ( 3 )   1998

  • Second-harmonic generation in C-70 film

    H Hoshi, T Manaka, K Ishikawa, H Takezoe

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   36 ( 10 )   6403 - 6404   1997.10

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  • Observation of electric-dipole-forbidden states in polydiacetylene by means of second-harmonic generation spectroscopy

    T Manaka, T Yamada, H Hoshi, K Ishikawa, H Takezoe, A Fukuda

    SYNTHETIC METALS   84 ( 1-3 )   963 - 964   1997.1

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  • Variation of SH spectrum in crystal polymorphics of phthalocyanines.

    間中孝彰, 星肇, 石川謙, 竹添秀男

    応用物理学会学術講演会講演予稿集   58th ( 3 )   1997

  • Observation of the electric-dipole-forbidden states in polydiacetylene by means of resonance second-harmonic generation spectroscopy

    T Manaka, T Yamada, H Hoshi, E Iskikawa, H Takezoe, A Fukuda

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS   35 ( 7A )   L832 - L834   1996.7

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  • Observation of the electric-dipole-forbidden states in polydiacetylene by means of resonance second-harmonic generation spectroscopy

    T Manaka, T Yamada, H Hoshi, E Iskikawa, H Takezoe, A Fukuda

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS   35 ( 7A )   L832 - L834   1996.7

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  • Resonant enhancement of second-harmonic generation of electric quadrupole origin in phthalocyanine films

    T Yamada, H Hoshi, T Manaka, K Ishikawa, H Takezoe, A Fukuda

    PHYSICAL REVIEW B   53 ( 20 )   13314 - 13317   1996.5

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  • Resonant enhancement of second-harmonic generation of electric quadrupole origin in phthalocyanine films

    T Yamada, H Hoshi, T Manaka, K Ishikawa, H Takezoe, A Fukuda

    PHYSICAL REVIEW B   53 ( 20 )   13314 - 13317   1996.5

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  • Second-harmonic generation from various phthalocyanine films and its spectral dependence

    Toshiki Yamada, Takaaki Manaka, Hajime Hoshi, Ken Ishikawa, Hideo Takezoe, Atsuo Fukuda

    Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics   15 ( 1-4 )   193 - 196   1996

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  • Second-harmonic generation from various phthalocyanine films and its spectral dependence

    Toshiki Yamada, Takaaki Manaka, Hajime, Hoshi Ken Ishikawa, Hideo Takezoe

    Nonlinear Optics   15 ( 1-4 )   193 - 196   1996

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  • Spectral dependence of SHG from epitaxially grown vanadyl phthalocyanine thin films.

    山田俊樹, 星肇, 間中孝彰, 石川謙, 竹添秀男, 福田敦夫

    応用物理学会学術講演会講演予稿集   57th ( 3 )   1996

  • Observation of electric-dipole-forbidden states in p-conjugated polymer by means of SHG spectroscopy.

    竹添秀男, 山田俊樹, 間中孝彰, 西岡孝博, 星肇, 石川謙

    分子構造総合討論会講演要旨集   1996   1996

  • Observation of the Exiton States in Polydiacetylene by Means of Second-Harmonic Generation Spectroscopy.

    間中孝彰, 山田俊樹, 星肇, 石川謙, 竹添秀男, 福田敦夫

    応用物理学会学術講演会講演予稿集   57th ( 3 )   1996

  • SHG in C70 films.

    星肇, 間中孝彰, 山田俊樹, 石川謙, 竹添秀男, 福田敦夫

    応用物理学会学術講演会講演予稿集   57th ( 3 )   1996

  • Electric quadupole driven SHG in epitaxial phthalocyanine films.

    星肇, 山田俊樹, 間中孝彰, 石川謙, 竹添秀男, 福田敦夫

    応用物理学関係連合講演会講演予稿集   43rd ( 3 )   1996

  • Origin of Second-Harmonic-Generation in vacuum evaporated C60 films.

    間中孝彰, 山田俊樹, 星肇, 石川謙, 竹添秀男, 福田敦夫

    応用物理学関係連合講演会講演予稿集   42nd ( Pt 3 )   1995

  • Spectral Dependence of Second Harmonic Generation in Copper Phthalocyanine Thin Film.

    山田俊樹, 間中孝彰, 星肇, 石川謙, 竹添秀男, 福田敦夫

    応用物理学会学術講演会講演予稿集   56th ( 3 )   1995

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Presentations

  • Analysis of Pentacene FET Characteristics based on Maxwell-Wagner Model

    The 4th International Conference on Advanced Materials and Devices  2005 

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  • Optical second harmonic generation measurement of the anti-parallel liquid crystal cell with polyimide Langmuir-Blodgett alignment film

    2008 

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  • Analysis of the orientational structure of monolayers comprised of banana-shaped molecules at an air-water interface

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Determination of the Complete Dielectric Polarization of Langmuir Monolayers

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Observation of electron injection in organic field-effect transistor with electroluminescence

    11th International Conference Electrical and Related Properties of Organic Solids  2008 

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  • Study of electrostatic energy contribution on monolayer domains size

    2008 

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  • Direct Observation of Carrier Motion in Pentacene FET by the Time-Resolved Second Harmonic Generation Image

    The 7th International Discussion & Conference on Nano Interface Controlled Electronic Devices  2008 

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  • 有機FET構造素子におけるMaxwell-Wagner効果と動作機構

    誘電・絶縁材料/電子材料合同研究会  2005 

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  • Analysis of Contact Resistance and Space Charge Effects in Organic Field Effect Transistors as an Element of Maxwell-Wagner Effect System

    The 7th International Discussion & Conference on Nano Interface Controlled Electronic Devices  2008 

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  • SHG法によるペンタセンFET動作の観測

    誘電・絶縁材料/電子材料合同研究会  2005 

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  • CARRIER INJECTION AND TRANSPORT IN ORGANIC FIELD-EFFECT TRANSISTOR INVESTIGATED BY IMPEDANCE SPECTROSCOPY

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • Space-charge engineering by Si nanoparticles in Au/pentacene/Al structure

    The 5th IEEE Tokyo Young Researchers Workshop  2008 

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  • Observation and analysis of electroluminescence in organic field-effect transistor under AC electric ifeld

    2008 

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  • 光第2次高調波発生法による有機FETチャネル部分のポテンシャル観察

    OME研究会  2005 

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  • Space Charge Field Effect on Light Emitting from Tetracene Field-effect Transistor under AC Electric Field

    2008 

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  • ナノ界面における液晶分子の配向方向と自発分極の関係

    春季 第52回応用物理学会学術講演会  2005 

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  • Effect of Orientational Order of Tris(8-hydroquinolinato)aluminum(III) on Electroabsorption

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • バナナ型アキラル分子からなる水面上単分子膜の圧縮に伴うキラル相転移現象:ジオメトリーの効果

    MRS-J  2005 

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  • Preparation of Evaporated Chiral Poly(diacetylene) Film and its Controlled Circular Dichroism

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • MDC・SHG同時測定によるヘミシアニン水面上単分子膜の配向評価

    分子構造総合討論会  2005 

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  • Analysis of carrier injection mechanism in pentacene FET using time-resolved microscopic optical second harmonic generation measurement

    The 2nd IEEE Nanotechnology and Materials and Devices Conference 2008  2008 

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  • Alq3蒸着膜における巨大表面電位の減衰過程の評価

    秋季 第66回応用物理学会学術講演会  2005 

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  • Dipole moment design of organic monolayer by divalent ion doping

    2008 

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  • Chirality of The Monolayer on a Water Surface Investigated by The MDC and SHG Measurement

    International Conference on Molecular Electronics and Bioelectronics  2005 

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  • Brewster角反射光測定法による水面上有機単分子膜の配向評価

    春季 第52回応用物理学会学術講演会  2005 

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  • ボトムコンタクト形ペンタセンFETにおけるC-V特性と界面処理結果効果価

    春季 第52回応用物理学会学術講演会  2005 

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  • Analysis of carrier behavior in pentacene FET withP(VDF-TeFE) gate insulator using displacement current measurement

    The 2nd IEEE Nanotechnology Materials and Devices Conference(NMDC2008)  2008 

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  • 交流電界下の有機EL現象を利用したFET構造素子中の電荷注入観測

    第55回 応用物理学関係連合講演会  2008 

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  • ペンタセンFETのチャネル部からの光第2次高調波発生

    秋季 第66回応用物理学会学術講演会  2005 

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  • 円偏光を用いて作製したキラルポリジアセチレン薄膜の電気・光物性

    平成20年春季 第55回応用物理学関係連合講演会  2008 

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  • 電界誘起SHG測定によるペンタセンFETの電界評価

    2008春季 第55回応用物理学会学術講演会  2008 

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  • 液晶蒸着膜の配向秩序形成過程のその場観察

    2008年(平成20年)春季 第55回応用物理学関係連合講演会  2008 

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  • 有機FETにおけるチャネル形成と界面電荷の評価

    平成17年電気学会全国大会シンポジウム  2005 

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  • ポリイミドLB膜を配向膜にもつ液晶セル基板界面液晶分子の光学的配向評価

    2008年春季第55回応用物理学関係連合講演会  2008 

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  • 表面エネルギーと5CB液晶分子の配向秩序の関係

    2005年日本液晶学会討論会  2005 

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  • Probing of carrier injection and related phenomena in pentacene field effect transistor by electric field induced optical second harmonic generation measurement

    MRS spring meeting 2008  2008 

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  • ナノ界面の新規光電子機能

    第52回応用物理学関係連合講演会  2005 

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  • Studying of carrier mechanism in pentacene FET with contact resistance by optical second harmonic generation measurements

    MRS spring meeting 2008  2008 

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  • ポリエチレンLB膜のTSC電荷の測定

    平成17年電気学会全国大会シンポジウム  2005 

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  • 顕微SHG法によるペンタセンFETチャネル内の電界分布の計測と解析

    第55回応用物理学関係連合講演会  2008 

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  • Investigation of the Organic FET device Operation by Electric Field Induced SHG Method

    The 16th symposium of The materials Research Society of Japan  2005 

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  • 波長選択性を利用した電界誘起SHG 法による有機多層構造体の電界評価

    2008年春季 第55回応用物理学会学術講演会  2008 

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  • MDC-SHG測定によるヘミシアニン水面上単分子膜の配向評価 ~波長依存性からの検討~

    MRS-J  2005 

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  • バナナ型アキラル分子から構成された水面上単分子膜の圧縮によるキラル相転移現象

    2005年日本液晶学会討論会  2005 

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  • Investigation of the surface potential formed in Alq3 films on the gold surface: Effect of the UV-ozone surface treatment

    The International Symposium On Super-Functionality Organic Devices  2008 

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  • ケルビンプローブ法及び各種分光法によるAlq3薄膜の巨大表面電位発生と消失に関する研究

    OME研究会  2005 

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  • 偏光吸収法および光第2次高調波発生法による界面吸着液晶分子の配向オーダーパラメータ評価

    材料デバイスサマーミーティング  2005 

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  • Analysis of Pentacene Field-Effect Transistor with a Ferroelectric P(VDF-TeFE) Gate Insulator as an element of Maxwell-Wagner Effect System

    MRS spring meeting 2008  2008 

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  • Spontaneous Orientational Ordering of Liquid Crystalline Monolayer During Evaporation onto Silica

    22nd International Liquid Crystal Conference (ILCC2008)  2008 

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  • 強誘電体をゲート絶縁膜にもつペンタセンFETを用いたソース・ドレイン電極の影響の評価

    電子情報通信学会技術研究報告  2008 

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  • 円偏光誘起したキラルポリジアセチレンの電界発光現象の観測

    有機エレクトロニクス研究会  2008 

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  • Analysis of charge accumulation in pentacene field effect transistor with ferroelectric gate insulator on the basis of Maxwell-Wagner model

    2007 International Conference on Solid State Device and Materials (SSDM 2007)  2008 

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  • In-situ observation of orientational ordering process of liquid crystalline molecular films evaporated on polyimide Langmuir-Blodgett film

    2nd International Symposium on the Manipulation of Advanced Smart Materials (ISMASM2008) (6th International Symposium on University-Industry Collaboration)  2008 

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  • 接触抵抗を考慮したペンタセンFETの注入過程の評価

    2008年春季第55回応用物理学会学術講演会  2008 

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  • Probing of Electric Field in Pentacene using Microscopic Optical Second Harmonic Generation

    Journal of Applied Physics  2008 

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  • Alq3蒸着膜の巨大表面電位と電極処理効果

    2004 

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  • ポリイミド絶縁膜を用いたペンタセンFETの閾値シフトの効果

    2008 

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  • Maxwell変位電流法及びBrwester角顕微鏡を用いたリン脂質単分子膜のドメイン形状と配向状態の評価

    2008年春季第55回応用物理学会学術講演会  2008 

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    International Symposium on Super-Functionality Organic Devices  2005 

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  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構

    春季 第52回応用物理学会学術講演会  2005 

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  • Surface Polarization Phenomena of Organic Monolayers as a Two-Dimensional System and its Application to Organic Electronic Devices

    Thirteen International Workshop on the Physics of Semiconductor Devices  2005 

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  • キラルなポリジアセチレン薄膜を用いた発光現象の検討

    2010年春季第57回応用物理学関係連合講演会  2010 

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  • 変位電流法によるP(VDF-TeFE)ゲート絶縁膜を持つペンタセンFETの解析

    2009年春季 第56回応用物理学関係連合講演会  2009 

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  • 電場変調吸収法によるAlq3・a-NPD薄膜の電界評価

    特定領域研究「高次系分子科学」・SFG研究会・理化学研究所・企画共催、シンポジウム  2009 

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  • Effect of Orientational Order of Tris(8-hydroquinolinato)aluminum(III) on Electroabsorption

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2009 

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  • 光第2次高調波発生法による水面上・固体基板上液晶界面膜の配向評価

    シンポジウム「表面・界面を観る非線形分光の新しい展開」  2009 

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  • The Development of Cusps from Liquid Crystalline Domains of Monolayers at the Air-Water Interface

    22nd International Liquid Crystal Conference (ILCC2008)  2009 

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  • Tuning of Threshold Voltage in Organic Field-effect Transistor by Dipole Monolaye

    2009 International Conference on Solid State Devices and Materials (SSDM 2009)  2009 

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  • Microscopic Raman and SHG Imaging for Studying Carrier and Electric Field Distribution in Organic Field-Effect Transistors

    India-Japan Workshop on Biomolecular Electronics and Organic Nanotechnology for Environment Preservation (IJWBME2009)  2009 

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  • Observation of Electric Field in Tetracene Field-Effect Transistor using Optical Second Harmonic Generation

    2009 International Conference on Solid State Devices and Materials (SSDM 2009)  2009 

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  • Preparation of Chiral Poly(diacetylene) Film by Using Circularly Polarized Light

    The 6th International Conference on Materials Engineering for Resources  2009 

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  • Study of Injected Carrier Energetics in Organic-field effect-transistor by Charge Modulation Spectroscopy

    2009 International Conference on Solid State Device and Materials (SSDM 2009)  2009 

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  • Interface Charging Propagation Model for Carrier Migration in OFET

    2009 International Conference on Solid State Device and Materials (SSDM 2009)  2009 

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  • 電場変調吸収法によるITO/α-NPD/Alq3/Au 素子内の電界評価

    2009年秋季第70回応用物理学会学術講演会  2009 

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  • Study of Injected Carrier Energetics in Organic-field effect-transistor by Charge Modulation Spectroscopy

    2009 

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  • ゲート絶縁膜誘電率と有機FETキャリア移動度の関係についての解析:鏡像電荷の及ぼす効果

    第56回応用物理学関係連合講演会  2009 

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  • 電場誘起光第2次高調波発生(EFISHG)法による有機EL素子の過渡電界分布評価

    第70回応用物理学会学術講演会  2009 

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  • ペンタセンFETキャリア注入特性に及ぼす空間電荷電界の検討

    2009年春季 第56回応用物理学会学術講演会  2009 

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  • 電荷変調分光法による有機FET内の蓄積キャリアの評価

    2009年春季 第56回応用物理学関係連合講演会  2009 

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  • 円偏光照射によるキラルポリジアセチレンの形成とそのキラリティーに対する基板温度の効果

    電子情報通信学会総合大会  2009 

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  • インピーダンス分光法による有機電界効果トランジスタのキャリヤ挙動の解析

    2009年春季 第56回応用物理学関係連合講演会  2009 

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  • 蛍光材料を用いた有機FETからの電界誘起SHG観測

    平成21年春季 第56回応用物理学関係連合講演会  2009 

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  • 制御された円二色性を持つポリジアセチレン薄膜の作製

    第56回応用物理学関係連合講演会  2009 

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  • Trap Density Effect on Carrier Propagation in Organic Field-Effect Transistors Investigated by Transient Methods

    M&BE5 2009  2009 

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  • Preparation of Chiral Poly(diacetylene) Film by Using Circularly Polarized Light

    The 6th International Conference on Materials Engineering for Resources  2009 

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  • Tuning of Threshold Voltage in Organic Field-effect Transistor by Dipole Monolaye

    2009 

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  • Interface Charging Propagation Model for Carrier Migration in OFET

    2009 

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  • Observation of Electric Field in Tetracene Field-Effect Transistor using Optical Second Harmonic Generation

    2009 International Conference on Solid State Devices and Materials (SSDM 2009)  2009 

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  • Origin of Surface Polarization Phenomena at the Interface between Pentacene / Permalloy Bilayers

    IEEE Nanotechnology Materials and Devices Conference 2006(IEEE NMDC 2006)  2006 

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  • Alq3蒸着膜の巨大表面電位減衰過程の測定:静電エネルギの立場からの解析

    学術創成研究「有機デバイス関連界面の解明と制御」公開シンポジウム  2006 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • 顕微SHG法による有機FET中のキャリアトラップに関する検討

    OME研究会  2006 

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  • 液晶分子蒸着過程の表面電位測定と界面構造の解析

    電気学会 誘電・絶縁材料研究会  2006 

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  • Alq3蒸着膜の巨大表面電位減衰過程の測定:静電エネルギの立場からの解析

    電気学会 誘電・絶縁材料研究会  2006 

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  • Maxell-Wagnerモデルを用いた有機FET構造素子の動作とメモリー効果の解析

    電気学会 誘電・絶縁材料研究会  2006 

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  • Decay process of a large surface potential of as-deposited Alq3 films

    The 2006 International Conference on Solid State Devices and Materials  2006 

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  • 液晶蒸着膜の表面電位連続観察と配向秩序の検討

    2006年度液晶学会討論会  2006 

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  • 顕微SHG分光法によるペンタセンFETチャネル間の電場分布の評価

    第37回電気電子絶縁材料システムシンポジウム  2006 

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  • Copper Phthalocyanine Field-Effect Transistor Analysis Using Maxwell-Wagner Model

    KOREA-JAPAN Joint Forum 2006  2006 

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  • Experimental Evidence of Surface Polarization in Organic Films and Control of Current-Voltage Characteristics by the Surface Polarization

    Abstract of the International Symposium on Super-Functionality Organic Devices  2005 

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  • 円偏光を用いた光重合に伴うキラルなポリジアセチレン薄膜の作成

    2006 

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  • Maxwell displacement current generated from 10, 12- Tricosadynoic Acid Monolayer before and after Polymerization

    International symposium on the manipulation of advanced smart materials  2005 

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    International Symposium on Super-Functionality Organic Devices  2005 

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  • Carrier Trapping in Polydiacetylene Field Effect Transistor Studied by the Optical Second Harmonic Generation

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Optical Second Harmonic Generation Measurements for Investigating Electron Injection into a Pentacene Field Effect Transistor with Au source and Drain Electrodes

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Preparation and SPM observation of bio-mimetic membrane on solid substrate

    第17回日本MRS学術シンポジウム  2006 

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  • Organic Field Effect Transistors as a Maxwell-Wagner Effect Element : Analysis of Transistor Characteristics and Probing of Electric Field by Optical Second Harmonic Generation

    National Seminar on Multifunctional Nanomaterials , Nanostructures and Applications (MNNA 2006)  2006 

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  • Dielectric properties of Hybrid Bilayer Membranes prepared by a self-assembly method coupled with a vesicle fusion method

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Formation of Non-Mirror Symmetric Domain Shapes of Monolayers Comprised of Chiral Molecules : Electric Quadrupole Effect

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Observation of orientational ordering processes of 4-n-pentyl-4’-cyanobiphenyl molecules during evaporation onto polyimide Langmuir-Blodgett films by optical polarized absorption measurements

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Measurement and analysis of electric field distribution in Pentacene FET channel by Microscopic SHG

    2008 

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  • Nano-interface Surface dielectric polarization phenomena: Detection and Application

    The Fifth International conference on Material Engineering for Resources  2005 

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  • Evaluation of Electric Field in Organic Multilayer by Means of EFISHG Technique Utilizing Its Wavelength Selectivity

    JSAP the 55th Spring Meeting, 2008  2008 

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  • Orientational ordering process of liquid crystalline molecules evaporated on azobenzene monolayer: optical polarized absorption measurements and absorption kinetics

    The Fifth International conference on Material Engineering for Resources  2005 

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  • Analysis of Contact Resistance and Space Charge Effects in Organic Field Effect Transistors as an Element of Maxwell-Wagner Effect System

    The 7th International Discussion & Conference on Nano Interface Controlled Electronic Devices  2008 

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  • Manipulation of Two Dimensional Interface

    International symposium on the manipulation of advanced smart materials  2005 

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  • Investigation of the surface potential formed in Alq3 films on the gold surface: Effect of the UV-ozone surface treatment

    The International Symposium On Super-Functionality Organic Devices  2008 

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  • Maxwell-Wagner Model Analysis for the C-V Characteristics of Pentacene FET

    The International Conference on Solid State Devices and Materials  2005 

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  • Microscopic Raman and SHG Imaging for Studying Carrier and Electric Field Distribution in Organic Field-Effect Transistors

    2009 

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  • Orientational Ordering Process of 4'-n-pentyl-4-cyanobiphenyl Ultra-thin Films Deposited on Polyimide Langmuir-Blodgett Films

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Direct Observation of Carrier Motion in Pentacene FET by the Time-Resolved Second Harmonic Generation Image

    The 7th International Discussion & Conference on Nano Interface Controlled Electronic Devices  2008 

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  • Analysis of the orientational structure of monolayers comprised of banana-shaped molecules at an air-water interface

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Surface Polarization Phenomena of Organic Monolayers as a Two-Dimensional System and its Application to Organic Electronic Devices

    Thirteen International Workshop on the Physics of Semiconductor Devices  2005 

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  • キラルなポリジアセチレン薄膜の作製とその発光評価

    第18回ポリマー材料フォーラム  2009 

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  • PHYSICS OF ORGANIC MONOLAYERS FOR ELECTRONICS

    International Meeting of Frontier Physics 2005 (IMFP2005)  2005 

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  • Determination of the Complete Dielectric Polarization of Langmuir Monolayers

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Analysis of Pentacene FET Characteristics based on Maxwell-Wagner Model

    The 4th International Conference on Advanced Materials and Devices  2005 

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  • Studying the chirality of photopolymerized polydiacetylene monolayer using second harmonic generation method

    The 11th international conference on organized molecular films (LB 11)  2005 

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  • Spontaneous Orientational Ordering of Liquid Crystalline Monolayer During Evaporation onto Silica

    22nd International Liquid Crystal Conference (ILCC2008)  2008 

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    International Symposium on Super-Functionality Organic Devices  2005 

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  • Circular Dichroism and Electroluminescence of Poly(diacetylene) Film with Chirality

    11th International Conference Electrical and Related Properties of Organic Solids (ERPOS-11)  2008 

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  • Experimental Evidence of Surface Polarization in Organic Films and Control of Current-Voltage Characteristics by the Surface Polarization

    Abstract of the International Symposium on Super-Functionality Organic Devices  2005 

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  • In-situ observation of orientational ordering process of liquid crystalline molecular films evaporated on polyimide Langmuir-Blodgett film

    2nd International Symposium on the Manipulation of Advanced Smart Materials (ISMASM2008) (6th International Symposium on University-Industry Collaboration)  2008 

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  • Studying the chirality of photopolymerized polydiacetylene monolayer using second harmonic generation method

    The 11th international conference on organized molecular films (LB 11)  2005 

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  • Analysis of Pentacene Field-Effect Transistor with a Ferroelectric P(VDF-TeFE) Gate Insulator as an element of Maxwell-Wagner Effect System

    MRS spring meeting 2008  2008 

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  • Maxwell displacement current generated from 10, 12- Tricosadynoic Acid Monolayer before and after Polymerization

    International symposium on the manipulation of advanced smart materials  2005 

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  • Probing of Electric Field in Pentacene using Microscopic Optical Second Harmonic Generation

    Journal of Applied Physics  2008 

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  • Alq3蒸着膜の巨大表面電位に対する電極処理効果

    春季 第52回応用物理学会学術講演会  2005 

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  • Analysis of charge accumulation in pentacene field effect transistor with ferroelectric gate insulator on the basis of Maxwell-Wagner model

    2007 International Conference on Solid State Device and Materials (SSDM 2007)  2008 

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  • アゾベンゼン高分子膜上の5CB蒸着超薄膜の配向秩序評価

    秋季 第66回応用物理学会学術講演会  2005 

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  • Analysis of electric field i n pentacene FET using EFISHG measurement

    JSAP the 55th Spring Meeting, 2008  2008 

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  • Maxwell変位電流法と光第二次高調波発生によるバナナ型分子からなる水面上単分子膜の配向評価

    春季 第52回応用物理学会学術講演会  2005 

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  • Observation of Carrier Injection into OFETs using Electroluminescence under AC Electric Field

    2008 

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  • Hybrid Bilayer Membrane (HBM)s の作製と表面形状の観測

    春季 第52回応用物理学会学術講演会  2005 

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  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構II

    秋季 第66回応用物理学会学術講演会  2005 

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  • Decay of giant surface potential of Alq3 films on Au electrode by heating

    International Symposium on Super-Functionality Organic Devices  2005 

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  • Optical Evaluation of orientation of interfacial LC molecules on polyimide Langmuir-Blodgett films as alignment films of anti-parallel LC cell

    2008 

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  • Chirality of The Monolayer on a Water Surface Investigated by The MDC and SHG Measurement

    International Conference on Molecular Electronics and Bioelectronics  2005 

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  • Probing of carrier injection and related phenomena in pentacene field effect transistor by electric field induced optical second harmonic generation measurement

    MRS spring meeting 2008  2008 

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  • Studying of carrier mechanism in pentacene FET with contact resistance by optical second harmonic generation measurements

    MRS spring meeting 2008  2008 

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  • アキラルモノマーからのキラルポリジアセチレン薄膜の作成とその光・電気特性

    OME研究会  2006 

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  • Analysis of carrier injection, accumulation and transport process of pentacene field effect transistor using Maxwell-Wagner model

    The 2nd International Workshop of Nano system Seoul National University  2006 

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  • Electric field distribution in organic field effect transistor evaluated by microscopic second harmonic generation

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • 「永久双極子の秩序配向の消失に伴う注入電子の緩和過程の評価

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • Chiral polydiacetylene films polymerized from achiral monomers

    The Seventh International Symposium on Functional π-Electron Systems  2006 

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  • Polydiacetylene薄膜の熱変性と界面帯電現象

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • 液晶分子蒸着膜の表面電位測定

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • 電気四重極子モーメントの効果によって形成されるキラル分子から構成される単分子膜の鏡映対称性のない形状

    2006年度液晶学会討論会  2006 

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  • Brewster角顕微鏡-Maxwell変位電流法によるキラルdipalmitoyl-phosphatidylcholine単分子膜の配向状態とドメイン形状の評価

    2006年度液晶学会討論会  2006 

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  • 「顕微SHG法によるポリジアセチレンFETにおける電荷注入と捕獲に関する研究

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • EFISHGおよびC-V測定によるペンタセンFETのチャネル形成の解析

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • Maxwell-Wagnerモデルを用いた有機FETの解析:トラップの効果

    2006年(平成18年)秋季 第67回応用物理学会学術講演会  2006 

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  • Analysis of hole trapping into pentacene FET by Optical Second Harmonic Generation and C-V measurements

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Decay process of a large surface potential of as-deposited Alq3 films

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Analysis of Organic Field Effect Transistors as a Maxwell-Wagner Effect Element - Measurement of Nano-interfacial Polarization and Electric Field Distribution in Organic Film by Optical Second Harmonic Generation

    Electronic Processes in Organic Materials (ICEPOM-6)  2006 

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  • Analysis of pentacene FET characteristics using a Maxwell-Wagner model

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Effect of external divalent ions on domains of DPPC monolayer at air-water interface

    2008 

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  • 時間分解SHG測定によるペンタセンFETキャリア注入過程の解析

    2008秋季 第69回応用物理学会学術講演会  2008 

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  • Observation of domain evolution, cusp formation and boojum texture of stearic acid monolayer by Brewster angle microscopy

    2008 

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  • 光第2次高調波発生法によるポリイミドLB膜アンチパラレル液晶セルの界面極性配向の評価

    2008年液晶学会討論会・講演会  2008 

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  • 円偏光誘起によるキラルなポリジアセチレン薄膜の作製

    第57回 高分子討論会  2008 

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  • ポリイミドLB膜上液晶蒸着単分子膜の配向秩序形成過程のその場観察

    2008年(平成20年)秋季第69回応用物理学会学術講演会  2008 

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  • 光学的・電気的手法による界面液晶配向の評価

    2008 

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  • Observation of electron injection in organic field-effect transistor with electroluminescence

    11th International Conference Electrical and Related Properties of Organic Solids  2008 

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  • Study of electrostatic energy contribution on monolayer domains size

    2008 

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  • Circular Dichroism and Electroluminescence of Poly(diacetylene) Film with Chirality

    11th International Conference Electrical and Related Properties of Organic Solids (ERPOS-11)  2008 

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  • MIM構造中のSiナノ粒子がもたらす空間電荷効果に関するインピーダンス分光による検討

    第69回応用物理学会学術講演会  2008 

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  • Effect of Space-Charge Field on Injection Properties in Organic Electronics

    SSDM 2008  2008 

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  • 水面上DPPC 単分子膜ドメインに与える二価イオンの影響

    第69回応用物理学会学術講演会  2008 

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  • 時間分解SHイメージングによる有機トランジスタ中キャリア走行の直接観測

    第69回応用物理学会学術講演会  2008 

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  • 電圧印加下の固体上脂質膜の形状観測と解析

    第69回応用物理学会学術講演会  2008 

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  • Brewster 角顕微鏡を用いた脂肪酸単分子膜のドメイン形状変化と cusp 形成の観察

    第69回応用物理学会学術講演会  2008 

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  • 顕微時間分解SHG測定による強誘電性ゲート絶縁膜を用いたペンタセンFETの評価

    2008 

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  • Carrier injection and accumulation of pentacene field effect transistor with P(VDF-TeFE) gate insulator

    Solid State Device and Materials 2008 (SSDM 2008)  2008 

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  • Observation of Electron Injection from Au Electrode into Organic Field-Effect Transistor with Electroluminescence

    2008 

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  • 交流電界ELによる有機FETへの電荷注入評価

    第69回 応用物理学会学術講演会  2008 

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  • Observation of Electroluminescence due to Electron Injection into Organic Field Effect Transistor with Au Electrodes under Alternating Voltage

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • CARRIER INJECTION AND TRANSPORT IN ORGANIC FIELD-EFFECT TRANSISTOR INVESTIGATED BY IMPEDANCE SPECTROSCOPY

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • Space-charge engineering by Si nanoparticles in Au/pentacene/Al structure

    The 5th IEEE Tokyo Young Researchers Workshop  2008 

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  • 交流電界下における有機FET構造素子からのエレクトロルミネッセンス観測とその解析

    電子情報通信学会有機エレクトロニクス研究会  2008 

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  • Space Charge Field Effect on Light Emitting from Tetracene Field-effect Transistor under AC Electric Field

    2008 

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  • Effect of Orientational Order of Tris(8-hydroquinolinato)aluminum(III) on Electroabsorption

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • Preparation of Evaporated Chiral Poly(diacetylene) Film and its Controlled Circular Dichroism

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2008 

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  • Analysis of carrier injection mechanism in pentacene FET using time-resolved microscopic optical second harmonic generation measurement

    The 2nd IEEE Nanotechnology and Materials and Devices Conference 2008  2008 

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  • Dipole moment design of organic monolayer by divalent ion doping

    2008 

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  • Analysis of carrier behavior in pentacene FET withP(VDF-TeFE) gate insulator using displacement current measurement

    The 2nd IEEE Nanotechnology Materials and Devices Conference(NMDC2008)  2008 

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  • Chiral Phase Separation of Monolayer Domains Comprised Racemic Mixture of Chiral Phospholipids due to the Electrostatic Energy

    12th International Conference on Organized Molecular Films (LB12)  2007 

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  • Optical Chirality induced in Evaporated Poly(diacetylene) Film by Circularly Polarized Light

    47th Microsymposium Prague Meetings on Macromolecules (PMM): Advanced Polymer Materials for Photonics and Electronics  2007 

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  • Study of Domain Shapes and Orientational Structure of Phospholipid Monolayers Using Maxwell Displacement Current and Brewster Angle Microscopy

    The 2007 International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO2007)  2007 

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  • Study of carrier injection, accumulation, and transport of pentacene field effect transistor C-V and SHG measurements

    The 2007 Korean Institute of Electrical and Electronic Material Engineers conference  2007 

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  • Analysis of carrier injection process under trapped carrier condition in pentacene field effect transistor characteristics

    4th Japan-France Symposium on Molecular Materials : Electronics, Photonics, and Spintronics  2007 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 4th Japan-France Symposium on Molecular Materials:Electronics, Photonics, and Spintronics  2007 

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  • Direct Observation of Carrier Motion in the Pentacene FET by Time-resolved Microscopic Second-harmonic Generation

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    4th Japan-France Symposium on Molecular Materials : Electronics, Photonics, and Spintronics  2007 

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  • Calculation and Microscopic Optical Second Harmonics Generation Probing of Electric Field Distribution in Pentacene Field Effect Transistor Channel

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Induced Optical Chirality of Polydiacetylene Film by Circular Polarized Light and Its Control by Substrate Temperature

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Investigation of space-charge effect by Si nanoparticles on Au/pentacene/Al by impedance spectroscopy

    JSAP 69th Autumn Meeting  2008 

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  • Maxwell-Wagner Model Analysis for the C-V Characteristics of Pentacene FET

    The International Conference on Solid State Devices and Materials  2005 

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  • Effect of Space-Charge Field on Injection Properties in Organic Electronics

    SSDM 2008  2008 

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  • Nano-interface Surface dielectric polarization phenomena: Detection and Application

    The Fifth International conference on Material Engineering for Resources  2005 

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  • Observation of charge injection into organic field-effect transistor using EL under AC electric field

    2008 

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  • Carrier injection and accumulation of pentacene field effect transistor with P(VDF-TeFE) gate insulator

    Solid State Device and Materials 2008 (SSDM 2008)  2008 

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  • Manipulation of Two Dimensional Interface

    International symposium on the manipulation of advanced smart materials  2005 

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  • Effect of external divalent ions on domains of DPPC monolayer at air-water interface

    2008 

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  • PHYSICS OF ORGANIC MONOLAYERS FOR ELECTRONICS

    International Meeting of Frontier Physics 2005 (IMFP2005)  2005 

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  • Observation of Electron Injection from Au Electrode into Organic Field-Effect Transistor with Electroluminescence

    2008 

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  • Orientational Ordering Process of 4'-n-pentyl-4-cyanobiphenyl Ultra-thin Films Deposited on Polyimide Langmuir-Blodgett Films

    The 11th International Conference on Organized Molecular Films (LB11)  2005 

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  • Analysis of carrier injection mechanism in pentacene FET using time-resolved microscopic SHG measurement

    JSAP the 69th Autumn Meeting, 2008  2008 

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  • Orientational ordering process of liquid crystalline molecules evaporated on azobenzene monolayer: optical polarized absorption measurements and absorption kinetics

    The Fifth International conference on Material Engineering for Resources  2005 

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  • Observation of domain evolution, cusp formation and boojum texture of stearic acid monolayer by Brewster angle microscopy

    2008 

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  • ペンタセン薄膜の光電流と光起電力効果

    2010年春季 第57回 応用物理学関係連合講演会  2010 

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  • 交流電界発光による有機FET内への電荷注入観測

    第68回応用物理学会学術講演会  2007 

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  • Observation of Carrier Behavior in Organic Field-Effect Transistor with Electroluminescence under AC Electric Field

    2007 International Conference on Solid State Devices and Materials : Organic Devices  2007 

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  • 交流電界下における有機FET構造素子からのエレクトロルミネッセンス観測とその解析

    電子情報通信学会有機エレクトロニクス研究会  2007 

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  • Observation of Carrier Injection into OFET with Electroluminescence under AC Electric Field

    2007 

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  • Orientational Re-ordering of Polar Organic Monolayers by Cooperative Molecular Field Effect

    2007 International Conference on Solid State Devices and Materials (SSDM2007)  2007 

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  • Carrier injection and trapping in polydiacetylene films studied by optical second harmonic generation

    47th Microsymposium Prague Meetings on Macromolecules (PMM): Advanced Polymer Materials for Photonics and Electronics  2007 

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  • 偏光吸収法による液晶蒸着膜の単分子膜の配向秩序形成過程のその場観察

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • 表面電位測定による液晶相転移に伴う表面電位変化の観察

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • Maxwell変位電流法およびBrewster角顕微鏡を用いたdipalmitoyl-phosphatidylcholine単分子膜のドメイン形状と配向状態の評価

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • パターンニングされたSAM層を用いた脂質二分子膜の形成とAFMによる表面観察

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • Bathocuproine (BCP) 蒸着膜で発生する表面電位の減衰過程の評価

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • 偏光吸収法と光第2次高調波発生法によるポリイミドLB膜上液晶蒸着膜の配向秩序形成過程の観察

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • C-V and EFISHG measurements of pentacene FET hysteresis behavior

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • 交流電界発光によるAu電極有機FET内への電子注入現象の観測

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 7th International Conference on Nano-Molecular Electronics (ICNME)  2007 

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  • 円偏光照射によるポリジアセチレンキャスト膜のキラリティー誘起

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • Maxwell Wagnerモデルに基づいた強誘電性ゲート絶縁膜を持つペンタセンFETの解析

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • 偏光吸収法と光第2次高調波発生法によるポリイミドLB膜上液晶蒸着膜の配向秩序形成過程の観察

    2007年(平成19年)春季 第54回応用物理学関係連合講演会  2007 

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  • Analysis of carrier injection process under trapped carrier condition in pentacene field effect transistor characteristics

    4th Japan-France Symposium on Molecular Materials : Electronics, Photonics, and Spintronics  2007 

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  • 偏光吸収法による液晶蒸着膜の単分子膜の配向秩序形成過程のその場観察

    2007年(平成19年)春季 第54回応用物理学関係連合講演会  2007 

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  • 表面電位測定による液晶相転移に伴う表面電位変化の観察

    2007年(平成19年)春季 第54回応用物理学関係連合講演会  2007 

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  • Induced Optical Chirality of Polydiacetylene Film by Circular Polarized Light and Its Control by Substrate Temperature

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Calculation and Microscopic Optical Second Harmonics Generation Probing of Electric Field Distribution in Pentacene Field Effect Transistor Channel

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    4th Japan-France Symposium on Molecular Materials : Electronics, Photonics, and Spintronics  2007 

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  • Direct Observation of Carrier Motion in the Pentacene FET by Time-resolved Microscopic Second-harmonic Generation

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • 二次元界面分子膜の幾何パターン制御と新規電気光現象の発現,

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • 時間分解顕微SHG測定による有機FET中キャリア走行の実時間観測

    2007年(平成19年)春季 第54回応用物理学関連連合講演会  2007 

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  • Observation of Electroluminescence due to Electron Injection into Organic Field Effect Transistor with Au Electrodes under Alternating Voltage

    The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4)  2007 

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  • Orientational Re-ordering of Polar Organic Monolayers by Cooperative Molecular Field Effect

    2007 International Conference on Solid State Devices and Materials (SSDM2007)  2007 

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  • Carrier injection and trapping in polydiacetylene films studied by optical second harmonic generation

    47th Microsymposium Prague Meetings on Macromolecules (PMM): Advanced Polymer Materials for Photonics and Electronics  2007 

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  • 注入電荷が誘起する金属上液晶単分子膜の再配向の解析

    2007年日本液晶学会討論会  2007 

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  • 界面での非対称なポテンシャルエネルギのアンカリングエネルギへの寄与

    2007年日本液晶学会討論会  2007 

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  • Study of carrier injection, accumulation, and transport of pentacene field effect transistor C-V and SHG measurements

    The 2007 Korean Institute of Electrical and Electronic Material Engineers conference  2007 

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  • Study of Domain Shapes and Orientational Structure of Phospholipid Monolayers Using Maxwell Displacement Current and Brewster Angle Microscopy

    The 2007 International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO2007)  2007 

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  • Optical Chirality induced in Evaporated Poly(diacetylene) Film by Circularly Polarized Light

    47th Microsymposium Prague Meetings on Macromolecules (PMM): Advanced Polymer Materials for Photonics and Electronics  2007 

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  • Chiral Phase Separation of Monolayer Domains Comprised Racemic Mixture of Chiral Phospholipids due to the Electrostatic Energy

    12th International Conference on Organized Molecular Films (LB12)  2007 

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  • パターンニングされた固体上脂質二分子膜の表面形状観察

    電子情報通信学会有機エレクトロニクス研究会  2007 

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  • 交流電界発光によるAu電極を用いた有機FET内への電子注入現象の観測

    電子情報通信学会有機エレクトロニクス研究会  2007 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 4th Japan-France Symposium on Molecular Materials:Electronics, Photonics, and Spintronics  2007 

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  • Analysis of organic FET operation based on Maxwell-Wagner effect

    The 4th International Symposium on Organic Molecular Electronics (ISOME 2006)  2006 

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  • Analysis of FET Characteristics using Maxwell-Wagner Model and Probing of the Electric Field in the Channel by SHG

    Electronic Structure and Processes of Molecular-Based Interfaces: In Relation to Organic and Molecular Devices (ESPMI-06)  2006 

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  • Compression induced achiral-chiral phase transition of monolayers comprised of banana-shaped achiral molecules at the air-water interface : analysis of geometry effect based on Williams-Bragg approach

    21st International Liquid Crystal Conference  2006 

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  • Analysis of the orientational ordering process of depositing 4-n-pentyl-4'-cyanobiphenyl molecules onto polyimide Langmuir-Blodgett films

    21st International Liquid Crystal Conference  2006 

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  • Analysis of organic FET operation based on Maxwell-Wagner effect

    The 4th International Symposium on Organic Molecular Electronics  2006 

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  • Probing of Dielectric Polarization of Organic Monolayers by Maxwell-Displacement Current and Optical Second Harmonic Generation Measurements and Analysis of Two-dimensional Shape Deformation by Dipolar force

    16th International Symposium on Surfactants in Solution “ Self-assembled Microsystems  2006 

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  • Probing of Dielectric Polarization Phenomena of Organic Films by Maxwell-Displacement Current and Optical Second Harmonic Generation

    France-Japan symposium on Molecular Materials: Electronics, Photonics, and Spintronics  2006 

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  • Pentacene Field Effect Transitor as an injection-type Element: Maxwell-Wagner Type Interfacial Polarization and Carrier Transport

    The 2nd International Workshop of NANO Systems Institute  2006 

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  • Geometrical pattern of two dimentional monolayer: observation and control

    the 5th International Discussion & Conference on Nano-Interface Controlled Electronic Devices  2006 

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  • A novel technique to investigate organic FET operation by optical second-harmonic generation

    the 5th International Discussion & Conference on Nano-Interface Controlled Electronic Devices  2006 

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  • Kelvinプローブ法によるアルミニウム基板上液晶超薄膜の配向秩序連続観察

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • アルミ電極上のAlq3蒸着膜における巨大表面電位の減衰過程の評価

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • The electrical properties of polydiacetylene flms based on field effect transistors : iodine-dope effect on polydiacetylene films

    The Seventh International Symposium on Functional π-Electron Systems  2006 

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  • 顕微SHGによるペンタセンFETのチャネル間電解強度分布

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • Maxwell-Wagnerモデルに基づくペンタセンFETの特性解析

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • 水面上単分子膜の自発曲率とFrank弾性エネルギーにおける静電エネルギーの寄与

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • Hybrid Bilayer Membrane (HBM)s の作製と表面形状の観測Ⅱ

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • Contribution of electrostatic energy to curvature and Frank elastic energy of monolayer domains comprised of polar molecules : Shape of domains with orientational deformation

    21st International Liquid Crystal Conference  2006 

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  • Maxwell-Wagnerモデルに基づく注入電荷による有機FETの動作機構III

    2006年(平成18年)春季 第53回応用物理学関係連合講演会  2006 

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  • Analysis of FET Characteristics using Maxwell-Wagner Model and Probing of the Electric Field in the Channel by SHG

    Electric Structure and Processes of Molecular-Based Interfaces : In Relation to Organic and Molecular Devices(ESPMI-06)  2006 

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  • 交流電界下における有機FET構造素子からのエレクトロルミネッセンス観測とその解析

    電子情報通信学会有機エレクトロニクス研究会  2007 

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  • 交流電界発光による有機FET内への電荷注入観測

    第68回 応用物理学会学術振興会  2007 

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  • A novel technique to investigate organic FET operation by optical second-harmonic generation

    the 5th International Discussion & Conference on Nano-Interface Controlled Electronic Devices  2006 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 7th International Conference on Nano-Molecular Electronics (ICNME)  2007 

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  • 時間分解SHイメージングによるペンタセンFET中キャリア走行の直接観測

    2007 

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  • 光第二次高調波測定によるペンタセンおよびフタロシアニンFETにおけるチャネル形成の観測

    2007 

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  • 光第2次高調波によるMaxwell-Wagner効果素子としての有機FETの評価

    2007 

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  • Maxwell Wagnerモデルに基づいた強誘電性ゲート絶縁膜を持つペンタセンFETの解析II

    2007 

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  • リン脂質ラセミ混合単分子膜のドメイン形状とドメイン内の構造

    2007 

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  • 交流電界発光による有機FET内への電荷注入観測

    第68回応用物理学会学術講演会  2007 

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  • Observation of Carrier Behavior in Organic Field-Effect Transistor with Electroluminescence under AC Electric Field

    2007 International Conference on Solid State Devices and Materials : Organic Devices  2007 

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  • Compression induced achiral-chiral phase transition of monolayers comprised of banana-shaped achiral molecules at the air-water interface : analysis of geometry effect based on Williams-Bragg approach

    21st International Liquid Crystal Conference  2006 

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  • Analysis of the orientational ordering process of depositing 4-n-pentyl-4'-cyanobiphenyl molecules onto polyimide Langmuir-Blodgett films

    21st International Liquid Crystal Conference  2006 

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  • Contribution of electrostatic energy to curvature and Frank elastic energy of monolayer domains comprised of polar molecules : Shape of domains with orientational deformation

    21st International Liquid Crystal Conference  2006 

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  • Probing of Dielectric Polarization Phenomena of Organic Films by Maxwell-Displacement Current and Optical Second Harmonic Generation

    France-Japan symposium on Molecular Materials: Electronics, Photonics, and Spintronics  2006 

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  • Pentacene Field Effect Transitor as an injection-type Element: Maxwell-Wagner Type Interfacial Polarization and Carrier Transport

    The 2nd International Workshop of NANO Systems Institute  2006 

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  • Analysis of organic FET operation based on Maxwell-Wagner effect

    The 4th International Symposium on Organic Molecular Electronics (ISOME 2006)  2006 

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  • Analysis of FET Characteristics using Maxwell-Wagner Model and Probing of the Electric Field in the Channel by SHG

    Electronic Structure and Processes of Molecular-Based Interfaces: In Relation to Organic and Molecular Devices (ESPMI-06)  2006 

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  • Geometrical pattern of two dimentional monolayer: observation and control

    the 5th International Discussion & Conference on Nano-Interface Controlled Electronic Devices  2006 

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  • Analysis of organic FET operation based on Maxwell-Wagner effect

    The 4th International Symposium on Organic Molecular Electronics  2006 

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  • Probing of Dielectric Polarization of Organic Monolayers by Maxwell-Displacement Current and Optical Second Harmonic Generation Measurements and Analysis of Two-dimensional Shape Deformation by Dipolar force

    16th International Symposium on Surfactants in Solution “ Self-assembled Microsystems  2006 

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  • Decay process of a large surface potential of as-deposited Alq3 films

    The 2006 International Conference on Solid State Devices and Materials  2006 

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  • Analysis of Organic Field Effect Transistors as a Maxwell-Wagner Effect Element - Measurement of Nano-interfacial Polarization and Electric Field Distribution in Organic Film by Optical Second Harmonic Generation

    Electronic Processes in Organic Materials (ICEPOM-6)  2006 

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  • Decay process of a large surface potential of as-deposited Alq3 films

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Electric field distribution in organic field effect transistor evaluated by microscopic second harmonic generation

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Analysis of pentacene FET characteristics using a Maxwell-Wagner model

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • Analysis of hole trapping into pentacene FET by Optical Second Harmonic Generation and C-V measurements

    2006 International Conference on Solid State Device and Materials (SSDM 2006)  2006 

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  • The electrical properties of polydiacetylene flms based on field effect transistors : iodine-dope effect on polydiacetylene films

    The Seventh International Symposium on Functional π-Electron Systems  2006 

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  • Analysis of FET Characteristics using Maxwell-Wagner Model and Probing of the Electric Field in the Channel by SHG

    Electric Structure and Processes of Molecular-Based Interfaces : In Relation to Organic and Molecular Devices(ESPMI-06)  2006 

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  • Analysis of carrier injection, accumulation and transport process of pentacene field effect transistor using Maxwell-Wagner model

    The 2nd International Workshop of Nano system Seoul National University  2006 

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  • Chiral polydiacetylene films polymerized from achiral monomers

    The Seventh International Symposium on Functional π-Electron Systems  2006 

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  • Preparation of Chiral Polydiacetylene Induced by Polymerization with Circularly Polarized Light

    The 17th Symposium of The Materials Research Society of Japan  2006 

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  • Optical Second Harmonic Generation Measurements for Investigating Electron Injection into a Pentacene Field Effect Transistor with Au source and Drain Electrodes

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Observation of orientational ordering processes of 4-n-pentyl-4’-cyanobiphenyl molecules during evaporation onto polyimide Langmuir-Blodgett films by optical polarized absorption measurements

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Organic Field Effect Transistors as a Maxwell-Wagner Effect Element : Analysis of Transistor Characteristics and Probing of Electric Field by Optical Second Harmonic Generation

    National Seminar on Multifunctional Nanomaterials , Nanostructures and Applications (MNNA 2006)  2006 

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  • Carrier Trapping in Polydiacetylene Field Effect Transistor Studied by the Optical Second Harmonic Generation

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Cooperative molecular field effect on the surface potential of dipolar films with electron traps

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Origin of Surface Polarization Phenomena at the Interface between Pentacene / Permalloy Bilayers

    IEEE Nanotechnology Materials and Devices Conference 2006(IEEE NMDC 2006)  2006 

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  • Dielectric properties of Hybrid Bilayer Membranes prepared by a self-assembly method coupled with a vesicle fusion method

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Formation of Non-Mirror Symmetric Domain Shapes of Monolayers Comprised of Chiral Molecules : Electric Quadrupole Effect

    The 7th International Conference on Nano-Molecular Electronics  2006 

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  • Copper Phthalocyanine Field-Effect Transistor Analysis Using Maxwell-Wagner Model

    KOREA-JAPAN Joint Forum 2006  2006 

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  • IZO/α-NPD/Alq3/LiF/Al構造の有機EL素子の過渡SHG・EL応答特性と界面電荷の充放電

    第57回応用物理学関係連合講演会  2010 

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  • 電場変調吸収法およびEFI-SHG法によるITO/a-NPD/Alq3/Al素子内の 電界分布評価

    2010年春季 第57回 応用物理学関係連合講演会  2010 

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  • 電場誘起光第2次高調波発生による有機EL積層界面の電荷蓄積と輝度劣化特性の評価

    第57回応用物理学関係連合講演会  2010 

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  • Effect of Carrier Trap on the Electron Transport in Pentacene FET Observed by the Time-resolved Microscopic SHG Measurement

    2009 International Conference on Solid State Device and Materials (SSDM 2009)  2010 

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  • Study of electrical conduction and electric field distribution in two-layer organic electroluminescence device by impedance and optical electroabsorption measurements

    The Sixth International Conference on Materials Enginnering for Resorces  2010 

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  • Photocurrent and Photovoltaic effect of ITO/Pentacene/metal single-layer device

    2010 

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  • Carrier and electric field distribution in organic FET studied by the microscopic SHG and Raman imaging

    5th International Symposium on Molecular Materials: Electronics, Photonics and Spintronics  2010 

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  • Transient EL and SHG response of IZO /α-NPD/Alq3/LiF/Al diode and interfacial charging and discharging phenomena

    2010 

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  • Study of electric field distribution in ITO/a-NPD/Alq3/Al elements by electroabsorption and EFI-SHG measurements

    2010 

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  • Study of electrical conduction and electric field distribution in two-layer organic electroluminescence device by impedance and optical electroabsorption measurements

    The Sixth International Conference on Materials Enginnering for Resorces  2010 

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  • Analysis of space charge field for carrier injection mechanism in pentacene FET

    JSAP the 56th Spring Meeting, 2009  2009 

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  • Study of internal electric field distribution in ITO/α-NPD/Alq3/Au elements by electroabsorption measurement

    The 70th Autumn Meeting, 2009 The Japan Society of Applied Physics  2009 

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  • Trap Density Effect on Carrier Propagation in Organic Field-Effect Transistors Investigated by Transient Methods

    M&BE5 2009  2009 

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  • Transient Behaviors Study of Organic Field Effect Transistors By Impedance Spectroscopy

    The 56th Spring Meeting, 2009  2009 

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  • Study of electric field distribution in organic hetero-layer structure by electroabsorption measurement

    2009 

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  • The Development of Cusps from Liquid Crystalline Domains of Monolayers at the Air-Water Interface

    22nd International Liquid Crystal Conference (ILCC2008)  2009 

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  • Effect of Orientational Order of Tris(8-hydroquinolinato)aluminum(III) on Electroabsorption

    8th International Conference on Nano-Molecular Electronics (ICNME2008)  2009 

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  • Carrier and electric field distribution in organic FET studied by the microscopic SHG and Raman imaging

    2010 

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  • Effect of Carrier Trap on the Electron Transport in Pentacene FET Observed by the Time-resolved Microscopic SHG Measurement

    2010 

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  • EFISHG 測定を用いた摩擦発電用強誘電体 P(VDF-TrFE)の評価

    林 好古, 田口 大, 間中孝彰

    2025年電子情報通信学会総合大会 

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  • 双極子配向秩序による摩擦発電と等価回路モデル

    田口 大, 間中孝彰, 岩本光正

    2024年電子情報通信学会ソサイエティ大会 

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  • 摩擦発電の等価回路モデルからみた誘電分極の発電と充放電

    田口 大, 間中孝彰, 岩本光正

    2025年電子情報通信学会総合大会 

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  • Optical operand measurements for studying the organic semiconductor devices Invited

    Takaaki Manaka

    2024 KPS Spring Meeting  2024.4 

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  • EFISHG 測定を用いた摩擦発電用強誘電体 P(VDF-TrFE)の電界評価

    林 好古, 田口 大, 間中孝彰

    2024年電子情報通信学会ソサイエティ大会 

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  • 電界測定のための pentacene/Au 素子の表面プラズモン共鳴測定と光学シミュレーション

    井上柊也, 田口 大, 間中孝彰

    2024年電子情報通信学会ソサイエティ大会 

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  • Au/ポリイミド/ITO素子の熱刺激電流が発生する電力の評価

    中川 亮, 田口 大, 間中 孝彰

    第72回応用物理学会春季学術講演会  2025.3 

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  • 電荷変調分光法を用いた有機薄膜トランジスタ内のチャネル形成に関する評価

    中村 智之, 田口 大, 間中 孝彰

    第72回応用物理学会春季学術講演会  2025.3 

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  • ナノフィラー添加による高分子半導体の移動度向上に関する研究

    間中孝彰

    令和7年 電気学会全国大会  2025.3 

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  • 光第二次高調波発生法による有機無機ハイブリッドペロブスカイトの分極評価

    越後 光太, 田口 大, 間中 孝彰

    第72回応用物理学会春季学術講演会  2025.3 

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  • Induction of chirality in Polydiacetylene using Evanescent Waves

    Hongfei Sun, Feng Wei, Dai Taguchi, Takaaki Manaka

    第72回応用物理学会春季学術講演会  2025.3 

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  • Impact of orientation control and nanofiller additive on carrier transport in conjugated polymer films Invited

    Takaaki Manaka

    5th Japan-Thailand Joint Symposium on Advanced Nanomaterials and Devices for Electronics and Photonics  2025.1 

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  • Optical operando measurements for investigating the organic semiconductor devices and materials Invited

    Takaaki Manaka

    The international Conference on Flexible and Printed ELectronics ICFPE2024  2024.8 

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  • 分子双極子の配向秩序による摩擦発電過程:双極子配向分極による自由エネルギーモデル

    田口 大, 間中 孝彰, 岩本 光正

    第85回応用物理学会秋季学術講演会  2024.9 

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  • Photopolymerization of Polydiacetylene using Evanescent Waves

    Hongfei Sun, Feng Wei, Dai Taguchi, Takaaki Manaka

    第85回応用物理学会秋季学術講演会  2024.9 

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  • ラビングによる双極子配向を用いた摩擦発電の自由エネルギーモデル

    田口 大, 間中孝彰, 岩本光正

    有機エレクロトニクス研究会  2024.8 

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  • 非線形光学分光による有機薄膜およびデバイス評価 Invited

    間中孝彰

    令和6年 電気学会A部門大会  2024.9 

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  • Spectroscopic operand measurements for investigating the organic semiconductor devices and materials Invited

    Takaaki Manaka

    India-Japan Workshop on Biomolecular Electronics and Organic Nanotechnology for Environment Preservation (IJWBME 2024)  2024.11 

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  • 浮遊薄膜転写法により配向した高分子半導体薄膜の偏光吸収法による異方性評価

    外山啓斗, 田口 大, 間中孝彰

    有機エレクロトニクス研究会  2024.12 

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  • Mobility Enhancement of Polymer Semiconductor by Orientation Cotrol and Nanofiller Additives Invited

    Takaaki Manaka

    The 23rd International Discussion & Conference on Nano Interface Controlled Electronic Devices (IDC-NICE 2024)  2024.10 

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  • 熱刺激電流による電力源に向けた金属/ポリエチレン/ITO素子の評価

    高橋颯太, 中川 亮, 田口 大, 間中孝彰

    有機エレクロトニクス研究会  2024.11 

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Industrial property rights

  • ヘテロ接合電界効果トランジスタ現象を観察する方法及び装置

    勝野 高志, 石川 剛, 上田 博之, 上杉 勉, 間中 孝彰, 岩本 光正

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    Applicant:株式会社豊田中央研究所

    Application no:特願2014-109220  Date applied:2014.5

    Announcement no:特開2015-008284  Date announced:2015.1

    Patent/Registration no:特許第6307351号  Date registered:2018.3 

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  • ヘテロ接合電界効果トランジスタ現象を観察する方法及び装置

    勝野 高志, 石川 剛, 上田 博之, 上杉 勉, 間中 孝彰, 岩本 光正

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    Applicant:株式会社豊田中央研究所

    Application no:特願2014-109220  Date applied:2014.5

    Announcement no:特開2015-008284  Date announced:2015.1

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  • 電界分布またはキャリア分布を高次高調波の強度に基づいて検出する検出装置

    京増 幹雄, 岩本 光正, 間中 孝彰, 田口 大, 烏田 哲州, 榊原 正毅, 高橋 文博

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    Applicant:プレサイスゲージ株式会社, 国立大学法人東京工業大学

    Application no:特願2010-175396  Date applied:2010.8

    Announcement no:特開2012-038805  Date announced:2012.2

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  • 電界分布又はキャリア分布を高次高調波の強度に基づいて検出する検出装置及びその検出方法

    岩本 光正, 間中 孝彰

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    Applicant:国立大学法人東京工業大学

    Application no:特願2007-058219  Date applied:2007.3

    Announcement no:特開2008-218957  Date announced:2008.9

    Patent/Registration no:特許第5109123号  Date registered:2012.10 

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  • 電界分布又はキャリア分布を高次高調波の強度に基づいて検出する検出装置及びその検出方法

    岩本 光正, 間中 孝彰

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    Applicant:国立大学法人東京工業大学

    Application no:特願2007-058219  Date applied:2007.3

    Announcement no:特開2008-218957  Date announced:2008.9

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  • 有機半導体電界効果トランジスタの評価装置及び特性測定方法。

    岩本 光正, 間中 孝彰

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    Applicant:国立大学法人東京工業大学

    Application no:特願2005-256713  Date applied:2005.9

    Announcement no:特開2007-073619  Date announced:2007.3

    Patent/Registration no:特許第5044776号  Date registered:2012.7 

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  • 有機半導体電界効果トランジスタの評価装置及び特性測定方法。

    岩本 光正, 間中 孝彰

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    Applicant:国立大学法人東京工業大学

    Application no:特願2005-256713  Date applied:2005.9

    Announcement no:特開2007-073619  Date announced:2007.3

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  • トランジスタのシミュレーション方法及びシミュレーション装置

    柿沼 伸明, 平井 匡彦, 岩本 光正, 間中 孝彰

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    Applicant:キヤノン株式会社

    Application no:特願2005-090048  Date applied:2005.3

    Announcement no:特開2006-269998  Date announced:2006.10

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  • 有機半導体素子及びその製造方法

    平井 匡彦, 岩本 光正, 間中 孝彰

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    Applicant:キヤノン株式会社

    Application no:特願2004-091573  Date applied:2004.3

    Announcement no:特開2005-277282  Date announced:2005.10

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Works

  • マックスウェル変位電流と光第2次高調波測定による有機単分子膜の解析

    2001 - 2003

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Awards

  • 電気学会優秀論文発表賞受賞

    2002  

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    Country:Japan

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Research Projects

  • Degradation science in emerging electronic devices

    Grant number:23K22789  2022.4 - 2026.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount:\17030000 ( Direct Cost: \13100000 、 Indirect Cost:\3930000 )

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  • Development of polymer semiconductors and study of thin film morphology in high-temperature organic devices

    Grant number:22K05047  2022.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

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    Grant amount:\4290000 ( Direct Cost: \3300000 、 Indirect Cost:\990000 )

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  • Triboelectric generation of ferroelectric films

    Grant number:21K18715  2021.7 - 2024.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Research (Exploratory)

    Dai Taguchi

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    Grant amount:\6500000 ( Direct Cost: \5000000 、 Indirect Cost:\1500000 )

    In this project, triboelectric generators using ferroelectric films was investigated based on dielectric physics. I-V measurements of P(VDF-TrFE) films showed that power output is enhanced for the film poled by using conductive elastomers. We established the electrical equivalent circuit and free energy model of triboelectric generators using polar materials. That is, the rubbing mechanically orients polar molecular groups and causes high free energy state, subsequently, electrical power is transmitted through electrical depolarization into isotropic state. Thermally stimulated current (TSC) was employed to evaluate dipolar relaxation time of P(VDF-TrFE), showing good agreement to temperature-dependence of power output of triboelectric generators using P(VDF-TrFE). We also showed that the EFISHG measurement is available to probe electric field in P(VDF-TrFE) films, which is helpful to discuss internal energy to free energy during power transmission.

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  • Investigation of the electro-static phenomena occurring at metal/organic interface by the nonlinear optical methods

    2002 - 2003

    Grant-in-Aid for Scientific Research 

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  • 非線形分光法による金属-有機超薄膜ナノ界面空間電荷の測定

    Grant number:14750226  2002 - 2003

    日本学術振興会  科学研究費補助金  若手研究(B)

    間中 孝彰

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    Grant type:Competitive

    有機超薄膜界面に見られる帯電現象や、この現象に付随して発生する光物性に関する研究は、有機分子素子実現の基礎として重要である。このため、金属-有機ナノ界面に発生する電子・光現象を統合的に評価する技術を確立しておくことが、有機ナノエレクトロニクス分野できわめて重要である。本研究では、通常電気的手法で測定されている界面の帯電現象を、光学的測定によって測定するという新規な評価手法の確立を目的としている。
    本年度は昨年度から引き続き、非線形光学的手法(SHG)による、金属上フタロシアニン薄膜のSHG特性評価(表面電位の影響)を行った。表面電位は吸収ピークに対応した光を照射することで減少することが知られている。フタロシアニンのスペクトル測定で明らかになった表面電位の効果を確認するために、測定サンプルに光照射を行い、表面電位の変化がスペクトルに及ぼす影響を調べた。その結果、光照射によってスペクトルに変化(強度の減少)が現れることが明らかになった。また同様に有機半導体として知られるペンタセンを用いても同様の測定を行っている。
    有機物においては表面電位を与える要因として双極子の配向も重要である。双極子配向はSHGを活性化するため、帯電現象をSHGを用いて観測する試みに対して無視できない。本年度は蒸着により双極子配向が得られるAlq3を用いて(この双極子配向は光照射によって消失する)、その配向の様子などをSHGを用いて観測した。その結果、まず偏光角依存性によって平均の配向角を求めることができた。その後、光照射によってこの平均配向角が変化することを確認することができた。

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  • SHG-MDCの同時測定による水面上単分子膜に関する研究

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    Grant type:Competitive

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  • Investigation of Langmuir monolayers by means of SHG and MDC

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    Grant type:Competitive

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