Updated on 2025/12/10

写真a

 
TANIGUCHI KOUJI
 
Organization
School of Science Professor
Title
Professor
External link

Degree

  • 博士(科学) ( The University of Tokyo )

Research Interests

  • multiferroics

  • Perovskite

  • nonreciprocal phenomena

  • strongly correlated electron system

  • Photoelectric conversion

  • chirality

  • Iontronics

  • Organic-inorganic hybrid system

Research Areas

  • Natural Science / Semiconductors, optical properties of condensed matter and atomic physics

  • Nanotechnology/Materials / Functional solid state chemistry

  • Natural Science / Magnetism, superconductivity and strongly correlated systems

Education

  • The University of Tokyo   大学院新領域創成科学研究科   物質系専攻博士課程

    2002.4 - 2005.3

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  • The University of Tokyo   大学院新領域創成科学研究科   物質系専攻修士課程

    2000.4 - 2002.3

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    Country: Japan

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  • The University of Tokyo   Faculty of Engineering   応用化学科

    - 2000.3

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    Country: Japan

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Research History

  • Institute of Science Tokyo   Department of Chemistry, School of Science   Professor

    2024.10

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    Country:Japan

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  • Tokyo Institute of Technology   Professor

    2022.4 - 2024.9

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  • 科学技術振興機構 さきがけ研究員(兼任)

    2019.10 - 2023.3

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  • Tohoku University   Institute for Materials Research   准教授

    2014.4 - 2022.3

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  • Kyoto University   拠点准教授(兼任)

    2014.4 - 2022.3

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  • Kyoto University   拠点講師(兼任)

    2012.9 - 2014.3

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  • The University of Tokyo   講師

    2012.4 - 2014.3

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  • The University of Tokyo   講師

    2009.11 - 2012.3

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  • Tohoku University   Institute of Multidisciplinary Research for Advanced Materials   助教

    2007.4 - 2009.10

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  • Tohoku University   Institute of Multidisciplinary Research for Advanced Materials   助手

    2005.4 - 2007.3

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  • 日本学術振興会   特別研究員(DC1)

    2002.4 - 2005.3

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Professional Memberships

Committee Memberships

  • 分子科学会   第20回分子科学討論会実行委員(実行副委員長)  

    2025 - 2026   

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    Committee type:Academic society

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  • The 1st Asian Conference on Molecular Magnetism   実行委員  

    2020   

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    Committee type:Other

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  • 43rd International Conference on Coordination Chemistry   実行委員  

    2018   

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    Committee type:Academic society

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  • 錯体化学会   錯体化学会第68回討論会実行委員  

    2018   

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    Committee type:Academic society

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  • 分子科学会   第11回分子科学討論会実行委員  

    2017   

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Papers

  • Proximity-induced chirality at the achiral conductive interface by electrical control of enantiopure ion adsorption

    Po-Jung Huang, Yoshio Ando, Miuko Tanaka, Yukito Nishio, Toshiya Ideue, Kouji Taniguchi

    Science Advances   11 ( 47 )   2025.11

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Association for the Advancement of Science (AAAS)  

    Chirality manipulation of materials has attracted substantial interest in a wide variety of fields in science and technology. Chiral molecular adsorption is a distinct approach for inducing chirality in achiral systems such as organic-inorganic hybrid compounds and nanomaterials. With the proximity effect of adsorbed chiral molecules on inorganic systems in mind, we demonstrate the artificial introduction of chirality to an achiral molybdenum disulfide surface by controlling the adsorption of enantiopure molecular cations via an electric double-layer transistor with chiral ionic liquids. In the electric field–induced conductive interface of molybdenum disulfide, the generation of chirality was confirmed by observing chirality-induced spin selectivity and electrical magnetochiral effect, which are different types of chirality-dependent charge-transport phenomena. The proximity-induced chirality realized in this study via ion-controlled electronics has the potential to advance an emergent academic field called “chiral iontronics” and expand the development of electrically controllable chirality-induced functionalities beyond this work.

    DOI: 10.1126/sciadv.adx2281

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  • Magneto‐Electric Directional Anisotropy in Polar Soft Ferromagnets of Two‐Dimensional Organic–Inorganic Hybrid Perovskites Reviewed

    K. Taniguchi, M. Nishio, N. Abe, P.‐J. Huang, S. Kimura, T. Arima, H. Miyasaka

    Angewandte Chemie International Edition   60   14350 - 14354   2021.5

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/anie.202103121

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/anie.202103121

  • Chirality‐Dependent Circular Photogalvanic Effect in Enantiomorphic 2D Organic–Inorganic Hybrid Perovskites Reviewed

    P.‐J. Huang, K. Taniguchi, M. Shigefuji, T. Kobayashi, M. Matsubara, T. Sasagawa, H. Sato, H. Miyasaka

    Advanced Materials   33 ( 17 )   2008611 - 2008611   2021.3

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

    DOI: 10.1002/adma.202008611

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    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/adma.202008611

  • Bulk Photovoltaic Effect in a Pair of Chiral–Polar Layered Perovskite-Type Lead Iodides Altered by Chirality of Organic Cations Reviewed

    P.-J. Huang, K. Taniguchi, H. Miyasaka

    Journal of the American Chemical Society   141 ( 37 )   14520 - 14523   2019.9

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

    DOI: 10.1021/jacs.9b06815

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  • In Situ Reversible Ionic Control for Nonvolatile Magnetic Phases in a Donor/Acceptor Metal-Organic Framework Reviewed

    K. Taniguchi, K. Narushima, H. Sagayama, W. Kosaka, N. Shito, H. Miyasaka

    Advanced Functional Materials   27 ( 5 )   1604990(1) - 1604990(10)   2017.2

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    DOI: 10.1002/adfm.201604990

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  • Construction of an Artificial Ferrimagnetic Lattice by Lithium Ion Insertion into a Neutral Donor/Acceptor Metal-Organic Framework Reviewed

    K. Taniguchi, K. Narushima, J. Mahin, W. Kosaka, H. Miyasaka

    Angewandte Chemie International Edition   55 ( 17 )   5238 - 5242   2016.4

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/anie.201601672

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  • Magnetoelectric Memory Effect of the Nonpolar Phase with Collinear Spin Structure in Multiferroic MnWO4 Reviewed

    K. Taniguchi, N. Abe, S. Ohtani, T. Arima

    Physical Review Letters   102 ( 14 )   147201-1 - 147201-4   2009.4

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.102.147201

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  • Control of the Magnetoelectric Domain-Wall Stability by a Magnetic Field in a Multiferroic MnWO4 Reviewed

    K. Taniguchi, N. Abe, H. Umetsu, H. Aruga Katori, T. Arima

    Physical Review Letters   101 ( 20 )   207205-1 - 207205-4   2008.11

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    DOI: 10.1103/PhysRevLett.101.207205

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  • Ferroelectric polarization reversal by a magnetic field in multiferroic y-type hexaferrite Ba2Mg2Fe12O22 Reviewed

    K. Taniguchi, N. Abe, S. Ohtani, H. Umetsu, T. Arima

    Applied Physics Express   1 ( 3 )   031301(1) - 031301(3)   2008.3

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1143/APEX.1.031301

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  • Gigantic optical magnetoelectric effect in CuB2O4 Reviewed

    M. Saito, K. Taniguchi, T. Arima

    Journal of the Physical Society of Japan   77 ( 1 )   013705(1) - 013705(4)   2008.1

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    DOI: 10.1143/JPSJ.77.013705

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  • Polarization reversal in multiferroic TbMnO(3) with a rotating magnetic field direction Reviewed

    N. Abe, K. Taniguchi, S. Ohtani, T. Takenobu, Y. Iwasa, T. Arima

    Physical Review Letters   99 ( 22 )   227206(1) - 227206(4)   2007.11

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    DOI: 10.1103/PhysRevLett.99.227206

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  • Ferroelectric polarization flop in a frustrated magnet MnWO4 induced by a magnetic field Reviewed

    K. Taniguchi, N. Abe, T. Takenobu, Y. Iwasa, T. Arima

    Physical Review Letters   97 ( 9 )   097203(1) - (4)   2006.9

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.97.097203

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  • Chiral bifacial indacenodithiophene-based π-conjugated polymers with chirality-induced spin selectivity Reviewed

    Shuang Li, Fumitaka Ishiwari, Scott Zorn, Kazuharu Murotani, Mikhail Pylnev, Kouji Taniguchi, Akinori Saeki

    Chemical Communications   60   10870 - 10873   2024.8

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Chiral bifacial indacenoditiophene-containing π-conjugated polymers were synthesized and exhibited pronounced spin filtering function based on chirality induced spin selectivity.

    DOI: 10.1039/d4cc03292f

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  • Charge Transport Phenomena Driven by the Polarity and Chirality in Noncentrosymmetric Layered Organic–Inorganic Hybrid Perovskites Reviewed

    Po-Jung Huang, Ichi Naruse, Kouji Taniguchi

    Chemistry of Materials   36   7292 - 7298   2024.7

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acs.chemmater.4c01199

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  • Impact of Layer Stacking Manner on the Lithium-Ion-Battery Performance in Electrically Neutral Tetraoxolene-Bridged Iron(II) Hexagonal Layer Metal–Organic Frameworks Reviewed

    Wataru Kosaka, Naoki Eguchi, Taku Kitayama, Ryoma Sato, Ryosuke Nakao, Yoshihiro Sekine, Shinya Hayami, Kouji Taniguchi, Hitoshi Miyasaka

    Chemistry of Materials   36   3563 - 3573   2024.4

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    Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acs.chemmater.3c02671

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  • Tuning of spin-orbit coupling in chiral molecule-incorporated two-dimensional organic-inorganic hybrid perovskite copper halides with ferromagnetic exchange interactions Reviewed

    Kouji Taniguchi, Po-Jung Huang, Hajime Sagayama, Ryoji Kiyanagi, Kazuki Ohishi, Shunsuke Kitou, Yuiga Nakamura, Hitoshi Miyasaka

    Physical Review Materials   8 ( 2 )   2024.2

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    Authorship:Lead author, Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:American Physical Society (APS)  

    DOI: 10.1103/physrevmaterials.8.024409

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevMaterials.8.024409/fulltext

  • Chiral weak ferromagnets formed in one-dimensional organic–inorganic hybrid manganese chloride hydrates Reviewed

    K. Taniguchi, P.-J. Huang, S. Kimura, H. Miyasaka

    Dalton Transactions   51   17030 - 17034   2022.10

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    DOI: 10.1039/D2DT02928F

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  • Crucial Contribution of Polarity for Bulk Photovoltaic Effect in a Series of Non-Centrosymmetric Two-Dimensional Organic-Inorganic Hybrid Perovskites Reviewed

    P.-J. Huang, K. Taniguchi, H. Miyasaka

    Chemistry of Materials   34 ( 10 )   4428 - 4436   2022.5

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acs.chemmater.2c00094

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  • Magnetic Phase Switching Performance in an Fe-Tetraoxolene-Layered Metal–Organic Framework via Electrochemical Cycling Reviewed

    J. Chen, K. Taniguchi, Y. Sekine, H. Miyasaka

    Inorganic Chemistry   60 ( 13 )   9456 - 9460   2021.6

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    DOI: 10.1021/acs.inorgchem.1c00576

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  • Magnetic Correlation Engineering in Spin‐Sandwiched Layered Magnetic Frameworks Reviewed

    Hiroki Fukunaga, Wataru Kosaka, Honoka Nemoto, Kouji Taniguchi, Shogo Kawaguchi, Kunihisa Sugimoto, Hitoshi Miyasaka

    Chemistry – A European Journal   26 ( 70 )   16755 - 16766   2020.7

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    DOI: 10.1002/chem.202002588

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  • Electrochemical Development of Magnetic Long-Range Correlations with Tc = 128 K in a Tetraoxolene-Bridged Fe-Based Framework Reviewed

    J. Chen, K. Taniguchi, Y. Sekine, H. Miyasaka

    Journal of Magnetism and Magnetic Materials   494   165818(1) - 165818(6)   2019.9

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    DOI: 10.1016/j.jmmm.2019.165818

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  • Local-Site Dependency of Magneto-Chiral Dichroism in Enantiopure One-Dimensional Copper(II)-Chromium(III) Coordination Polymers Reviewed

    K. Taniguchi, S. Kishiue, S. Kimura, H. Miyasaka

    Journal of the Physical Society of Japan   88 ( 9 )   093708(1) - 093708(3)   2019.8

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    DOI: 10.7566/JPSJ.88.093708

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  • Strong magnetochiral dichroism for visible light emission in a rationally designed paramagnetic enantiopure molecule Reviewed

    K. Taniguchi, M. Nishio, S. Kishiue, P.-J. Huang, S. Kimura, H. Miyasaka

    Physical Review Materials   3 ( 4 )   045202(1) - 045202(8)   2019.4

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Physical Society (APS)  

    DOI: 10.1103/PhysRevMaterials.3.045202

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevMaterials.3.045202/fulltext

  • Magnetic Switching by the In Situ Electrochemical Control of Quasi-Spin-Peierls Singlet States in a Three-Dimensional Spin Lattice Incorporating TTF-TCNQ Salts Reviewed

    Hiroki Fukunaga, Masanori Tonouchi, Kouji Taniguchi, Wataru Kosaka, Shojiro Kimura, Hitoshi Miyasaka

    Chemistry - A European Journal   24 ( 17 )   4294 - 4303   2018.3

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    DOI: 10.1002/chem.201704815

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  • Charge-transfer layered assembly of a trans-heteroleptic paddlewheel-type diruthenium(II, II) complex with a TCNQ derivative: Electrochemical tuning of the magnetism Reviewed

    Kouji Taniguchi, Nanami Shito, Hiroki Fukunaga, Hitoshi Miyasaka

    Chemistry Letters   47 ( 5 )   664 - 667   2018

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Chemical Society of Japan  

    DOI: 10.1246/cl.180086

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  • Magnetic Phase Switching in a Tetraoxolene-Bridged Honeycomb Ferrimagnet Using a Lithium Ion Battery System Reviewed

    Kouji Taniguchi, Jian Chen, Yoshihiro Sekine, Hitoshi Miyasaka

    Chemistry of Materials   29 ( 23 )   10053 - 10059   2017.12

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    DOI: 10.1021/acs.chemmater.7b03691

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  • The Effect of Anion-sublattice Structure on the Displacement Reaction in Copper Sulfide Cathodes of Rechargeable Magnesium Batteries Reviewed

    Yuta Tashiro, Kouji Taniguchi, Hitoshi Miyasaka

    Chemistry Letters   46 ( 8 )   1240 - 1242   2017.8

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

    DOI: 10.1246/cl.170503

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  • Magneto-ionic phase control in a quasi-layered donor/acceptor metal-organic framework by means of a Li-ion battery system Reviewed

    Kouji Taniguchi, Keisuke Narushima, Kayo Yamagishi, Nanami Shito, Wataru Kosaka, Hitoshi Miyasaka

    JAPANESE JOURNAL OF APPLIED PHYSICS   56 ( 6 )   060307(1) - 060307(4)   2017.6

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/JJAP.56.060307

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  • Conductive Molecular Magnets

    Yoshihiro Sekine, Wataru Kosaka, Kouji Taniguchi, Hitoshi Miyasaka

    Molecular Magnetic Materials   369 - 404   2016.11

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  • Copper Selenide as a New Cathode Material based on Displacement Reaction for Rechargeable Magnesium Batteries Reviewed

    Yuta Tashiro, Kouji Taniguchi, Hitoshi Miyasaka

    Electrochimica Acta   210   655 - 661   2016.8

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

    DOI: 10.1016/j.electacta.2016.05.202

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  • Rechargeable Mg battery cathode TiS3 with d-p orbital hybridized electronic structures Reviewed

    Kouji Taniguchi, Yunpeng Gu, Yukari Katsura, Takafumi Yoshino, Hidenori Takagi

    APPLIED PHYSICS EXPRESS   9 ( 1 )   011801(1) - 011801(4)   2016.1

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/APEX.9.011801

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  • Rechargeable magnesium-ion battery based on a TiSe2-cathode with d-p orbital hybridized electronic structure Reviewed

    Y. Gu, Y. Katsura, T. Yoshino, H.Takagi, K. Taniguchi

    Scientific Reports   5   12486(1) - 12486(9)   2015.7

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    DOI: 10.1038/srep12486

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  • Programmable Persistent Interfacial Metallic State Induced by Frozen Ions in Inorganic-Glass Solid Electrolyte Reviewed

    K. Taniguchi, T. Fukamichi, K. Itaka, H. Takagi

    Advanced Functional Materials   25 ( 20 )   3043 - 3048   2015.5

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    DOI: 10.1002/adfm.201403742

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  • Phase Interface Structures in Li1+xRh2O4 Zero Strain Cathode Material Analyzed by Scanning Transmission Electron Microscopy Reviewed

    Akiho Nakamura, Yunpeng Gu, Kouji Taniguchi, Naoya Shibata, Hidenori Takagi, Yuichi Ikuhara

    CHEMISTRY OF MATERIALS   27 ( 3 )   938 - 943   2015.2

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    DOI: 10.1021/cm5042106

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  • Reversible Electrochemical Insertion/Extraction of Mg and Li Ions for Orthorhombic Mo9Se11 with Cluster Structure Reviewed

    Kouji Taniguchi, Takafumi Yoshino, Yunpeng Gu, Yukari Katsura, Hidenori Takagi

    JOURNAL OF THE ELECTROCHEMICAL SOCIETY   162 ( 1 )   A198 - A202   2015

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    DOI: 10.1149/2.0941501jes

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  • Interplay among spin, orbital, and lattice degrees of freedom in a frustrated spinel Mn3O4 Reviewed

    Y. Nii, H. Sagayama, H. Umetsu, N. Abe, K. Taniguchi, T. Arima

    PHYSICAL REVIEW B   87 ( 19 )   195115(1) - 195115(7)   2013.5

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    DOI: 10.1103/PhysRevB.87.195115

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  • A new "zero-strain" material for electrochemical lithium insertion Reviewed

    Yunpeng Gu, Kouji Taniguchi, Ryosuke Tajima, Shin-ichi Nishimura, Daisuke Hashizume, Atsuo Yamada, Hidenori Takagi

    JOURNAL OF MATERIALS CHEMISTRY A   1 ( 22 )   6550 - 6552   2013

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    DOI: 10.1039/c3ta10878c

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  • Erratum: “Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2” [Appl. Phys. Lett. 101, 042603 (2012)] Reviewed

    K. Taniguchi, A. Matsumoto, H. Shimotani, H. Takagi

    Applied Physics Letters   101 ( 10 )   109902 - 109902   2012.9

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:AIP Publishing  

    DOI: 10.1063/1.4750245

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  • Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2 Reviewed

    K. Taniguchi, A. Matsumoto, H. Shimotani, H. Takagi

    Applied Physics Letters   101 ( 4 )   042603(1) - 042603(3)   2012.7

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    DOI: 10.1063/1.4740268

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  • Magnetic shape memory effect in orbital-spin-coupled system MnV2O4 Reviewed

    Y. Nii, N. Abe, K. Taniguchi, T. Arima

    APPLIED PHYSICS LETTERS   100 ( 5 )   051905(1) - 051905(3)   2012.1

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    DOI: 10.1063/1.3681581

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  • Magnetic structure of Ba2Mg2Fe12O22 under the magnetic field Reviewed

    S. Yano, Y. Nishikawa, Y. Kousaka, J. Akimitsu, K. Taniguchi, T. Arima, H. Sagayama, H. Kimura, Y. Noda

    26TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT26), PTS 1-5   400   032120-1 - 032120-4   2012

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1088/1742-6596/400/3/032120

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  • Magnetic-field effects on Jahn-Teller distortion in ferroelastic magnetic insulator Fe1-xMnxCr2O4 Reviewed

    H. Sagayama, S. Ohtani, M. Saito, N. Abe, K. Taniguchi, T. Arima

    APPLIED PHYSICS LETTERS   99 ( 8 )   082506(1) - 082506(3)   2011.8

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    DOI: 10.1063/1.3631751

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  • Correlation between the mobility of domain wall and polarization flop direction in a slanted magnetic field in the helimagnetic ferroelectrics Tb 1-xDyxMnO3 Reviewed

    N. Abe, K. Taniguchi, H. Sagayama, H. Umetsu, T. Arima

    Physical Review B - Condensed Matter and Materials Physics   83 ( 6 )   2011.2

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

    DOI: 10.1103/PhysRevB.83.060403

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  • Correlation between magnetocapacitance effect and polarization flop direction in a slanted magnetic field in multiferroic helimagnets Reviewed

    Nobuyuki Abe, Kouji Taniguchi, Hajime Sagayama, Taka-hisa Arima

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)   320   012088(1) - 012088(5)   2011

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1088/1742-6596/320/1/012088

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  • Temperature-dependent Raman scattering study of multiferroic MnWO4 Reviewed

    Luc Huy Hoang, Nguyen T. M. Hien, W. S. Choi, Y. S. Lee, K. Taniguchi, T. Arima, S. Yoon, X. B. Chen, In-Sang Yang

    JOURNAL OF RAMAN SPECTROSCOPY   41 ( 9 )   1005 - 1010   2010.9

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

    DOI: 10.1002/jrs.2542

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  • Spatial Redistribution of Oxygen Ions in Oxide Resistance Switching Device after Forming Process Reviewed

    Takeshi Yajima, Kohei Fujiwara, Aiko Nakao, Tomohiro Kobayashi, Toshiyuki Tanaka, Kei Sunouchi, Yoshiaki Suzuki, Mai Takeda, Kentaro Kojima, Yoshinobu Nakamura, Kouji Taniguchi, Hidenori Takagi

    JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 6 )   060215 (1) - 060215 (3)   2010.6

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    DOI: 10.1143/JJAP.49.060215

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  • Electronic structure and anomalous band-edge absorption feature in multiferroic MnWO4: An optical spectroscopic study Reviewed

    Woo Seok Choi, K. Taniguchi, S. J. Moon, S. S.A. Seo, T. Arima, H. Hoang, I. S. Yang, T. W. Noh, Y. S. Lee

    Physical Review B - Condensed Matter and Materials Physics   81 ( 20 )   2010.5

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    DOI: 10.1103/PhysRevB.81.205111

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  • Orbital dilution effect in ferrimagnetic Fe1-xMnxCr2O4: competition between anharmonic lattice potential and spin-orbit coupling Reviewed

    S. Ohtani, Y. Watanabe, M. Saito, N. Abe, K. Taniguchi, H. Sagayama, T. Arima, M. Watanabe, Y. Noda

    JOURNAL OF PHYSICS-CONDENSED MATTER   22 ( 17 )   176003(1) - 176003(6)   2010.5

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    DOI: 10.1088/0953-8984/22/17/176003

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  • Observation of Spin Helicity Using Nonresonant Circularly Polarized X-ray Diffraction Analysis Reviewed

    Hajime Sagayama, Nobuyuki Abe, Kouji Taniguchi, Taka-hisa Arima, Yuichi Yamasaki, Daisuke Okuyama, Yoshinori Tokura, Souichiro Sakai, Takeshi Morita, Takashi Komesu, Hiroyuki Ohsumi, Masaki Takata

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   79 ( 4 )   043711(1) - 043711(4)   2010.4

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    DOI: 10.1143/JPSJ.79.043711

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  • Optical imaging of coexisting collinear and spiral spin phases in the magnetoelectric multiferroic MnWO4 Reviewed

    Kouji Taniguchi, Mitsuru Saito, Taka-hisa Arima

    PHYSICAL REVIEW B   81 ( 6 )   064406(1) - 064406(5)   2010.2

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    DOI: 10.1103/PhysRevB.81.064406

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  • Control of the polarization flop direction in multiferroic RMnO3 (R = Tb, Dy) by a tilted magnetic field Reviewed

    N. Abe, K. Taniguchi, H. Umetsu, S. Ohtani, T. Arima

    INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)   200   012001(1) - 012001(4)   2010

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    DOI: 10.1088/1742-6596/200/1/012001

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  • Control of the electric polarization flop direction by a canted magnetic field in a magnetoelectric multiferroic MnWO(4) Reviewed

    K. Taniguchi, N. Abe, H. Umetsu, T. Arima

    INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)   200   012203(1) - 012203(4)   2010

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    DOI: 10.1088/1742-6596/200/1/012203

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  • Two distinct ferroelectric phases in the multiferroic Y-type hexaferrite Ba2Mg2Fe12O22 Reviewed

    Hajime Sagayama, Kouji Taniguchi, Nobuyuki Abe, Taka-hisa Arima, Yusaku Nishikawa, Shin-ichiro Yano, Yusuke Kousaka, Jun Akimitsu, Masato Matsuura, Kazuma Hirota

    PHYSICAL REVIEW B   80 ( 18 )   180419R(1) - 180419R(4)   2009.11

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    DOI: 10.1103/PhysRevB.80.180419

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  • Magnetic-Field-Induced Polarization Flop in Multiferroic TmMn2O5 Reviewed

    M. Fukunaga, Y. Sakamoto, H. Kimura, Y. Noda, N. Abe, K. Taniguchi, T. Arima, S. Wakimoto, M. Takeda, K. Kakurai, K. Kohn

    PHYSICAL REVIEW LETTERS   103 ( 7 )   077204-1 - 077204-4   2009.8

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    DOI: 10.1103/PhysRevLett.103.077204

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  • Periodic rotation of magnetization in a non-centrosymmetric soft magnet induced by an electric field Reviewed

    M. Saito, K. Ishikawa, S. Konno, K. Taniguchi, T. Arima

    NATURE MATERIALS   8 ( 8 )   634 - 638   2009.8

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    DOI: 10.1038/NMAT2492

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  • Control of the polarization flop direction by a tilted magnetic field in multiferroic TbMnO3 Reviewed

    N. Abe, K. Taniguchi, S. Ohtani, H. Umetsu, T. Arima

    PHYSICAL REVIEW B   80 ( 2 )   020402-1 - 020402-4   2009.7

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    DOI: 10.1103/PhysRevB.80.020402

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  • Electrical Control of In-Plane Anisotropy in Charge-Orbital Ordered State of Single-Layered Manganite La1/2Sr3/2MnO4 Reviewed

    Shota Konno, Kouji Taniguchi, Hajime Sagayama, Taka-hisa Arima

    APPLIED PHYSICS EXPRESS   2 ( 3 )   033004-1 - 033004-3   2009.3

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    DOI: 10.1143/APEX.2.033004

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  • Magnetically Controllable CuB2O4 Phase Retarder Reviewed

    Mitsuru Saito, Kenta Ishikawa, Kouji Taniguchi, Taka-hisa Arima

    APPLIED PHYSICS EXPRESS   1 ( 12 )   121302-1 - 121302-3   2008.12

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    DOI: 10.1143/APEX.1.121302

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  • Magnetic control of crystal chirality and the existence of a large magneto-optical dichroism effect in CuB(2)O(4) Reviewed

    M. Saito, K. Ishikawa, K. Taniguchi, T. Arima

    PHYSICAL REVIEW LETTERS   101 ( 11 )   117402-1 - 117402-4   2008.9

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    DOI: 10.1103/PhysRevLett.101.117402

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  • Correlation between ferroelectric polarization and sense of helical spin order in multiferroic MnWO4 Reviewed

    Hajime Sagayama, Kouji Taniguchi, Nobuyuki Abe, Taka-Hisa Arima, Minoru Soda, Masato Matsuura, Kazuma Hirota

    Physical Review B - Condensed Matter and Materials Physics   77 ( 22 )   2008.6

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    DOI: 10.1103/PhysRevB.77.220407

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  • Magnetic-field dependence of the ferroelectric polarization and spin-lattice coupling in multiferroic MnWO(4) Reviewed

    K. Taniguchi, N. Abe, H. Sagayama, S. Ohtani, T. Takenobu, Y. Iwasa, T. Arima

    PHYSICAL REVIEW B   77 ( 6 )   064408(1) - 064408(7)   2008.2

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    DOI: 10.1103/PhysRevB.77.064408

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  • Electrical control for anisotropy in charge-orbital order state of Bi1-xSrxMnO3 (x similar to 0.5) at room temperature Reviewed

    K. Taniguchi, S. Nishiyama, T. Arima, S. Konno, S. Yamada, E. Sugano

    APPLIED PHYSICS LETTERS   90 ( 15 )   153501-(1) - 153501-(3)   2007.4

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    DOI: 10.1063/1.2721137

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  • Orbital ordering and magnetic field effect in MnV2O4 Reviewed

    T. Suzuki, M. Katsumura, K. Taniguchi, T. Arima, T. Katsufuji

    PHYSICAL REVIEW LETTERS   98 ( 12 )   127203-(1) - 127203-(4)   2007.3

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    DOI: 10.1103/PhysRevLett.98.127203

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  • Effect of Mn-substitution on magnetic and structural properties in FeCr2O4 Reviewed

    T. Arima, Y. Watanabe, K. Taniguchi, M. Watanabe, Y. Noda

    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS   310 ( 2 )   807 - 809   2007.3

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    DOI: 10.1016/j.jmmm.2006.10.342

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  • Soft X-ray photoemission study of CaB6 Reviewed

    A Sekiyama, T Sasabayashi, A Higashiya, H Fujiwara, S Imada, K Taniguchi, H Takagi, T Katsufuji, K Kitazawa, S Suga

    JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   144   659 - 661   2005.6

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    DOI: 10.1016/j.elspec.2005.01.100

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  • Raman study of the metal-insulator transition in pyrochlore Mo oxides Reviewed

    K Taniguchi, T Katsufuji, S Iguchi, Y Taguchi, H Takagi, Y Tokura

    PHYSICAL REVIEW B   70 ( 10 )   100401-1 - 100401-4   2004.9

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    DOI: 10.1103/PhysRevB.70.100401

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  • Charge dynamics and possibility of ferromagnetism in A1-xLaxB6 (A=Ca and Sr)

    K. Taniguchi, T. Katsufuji, F. Sakai, H. Ueda, K. Kitazawa, H. Takagi

    Physical Review B - Condensed Matter and Materials Physics   66 ( 6 )   644071 - 644077   2002.8

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  • Charge dynamics and possibility of ferromagnetism in A(1-x)La(x)B(6) (A = Ca and Sr) Reviewed

    K Taniguchi, T Katsufuji, F Sakai, H Ueda, K Kitazawa, H Takagi

    PHYSICAL REVIEW B   66 ( 6 )   064407-(1) - 064407-(7)   2002.8

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    DOI: 10.1103/PhysRevB.66.064407

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Books

  • Development and Recent Trends in Organic Semiconductors

    ( Role: Contributor)

    2024.3  ( ISBN:9784781317632

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  • Molecular Magnetic Materials: Concepts and Applications

    Yoshihiro Sekine, Wataru Kosaka, Kouji Taniguchi, Hitoshi Miyasaka( Role: Joint authorChapter 15)

    Wiley  2017.1 

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MISC

  • キラルな有機・無機ハイブリッド化合物の開発とキラル電子物性の開拓 Invited Reviewed

    谷口耕治

    日本結晶学会誌   66 ( 3 )   194 - 198   2024.8

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  • 有機・無機ハイブリッドペロブスカイト系材料のキラリティ制御による新展開 Reviewed

    谷口耕治

    応用物理   90 ( 11 )   670 - 674   2021.11

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  • キラルペロブスカイト系半導体での光電変換

    谷口 耕治, 黄柏融, 宮坂等

    クリーンエネルギー   29 ( 2 )   31 - 37   2020.2

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  • Magneto-Ionic Phase Switching in an Electron-Donor/-Acceptor Metal-Organic Framework using a Li-Ion Battery System

    K. Taniguchi, K. Narushima, H. Sagayama, W. Kosaka, N. Shito, H. Miyasaka

    Photon Factory Highlights 2016   16 - 17   2017

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  • リチウムイオン電池システムを用いた人工的な磁気秩序格子の構築

    谷口耕治, 鳴島佳佑, 高坂亘, 宮坂等

    東北大学極低温センター科学だより   ( 17 )   3 - 6   2016.11

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  • 26pYF-12 Spin frustration among one-dimensional spin chains and spin-orbital-lattice coupling in Mn_3O_4

    Nii Y., Sagayama H., Umetsu H., Taniguchi K., Abe N., Arima T.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   673 - 673   2012.3

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  • 22pGK-14 Magnetic Structure of multiferroic material Ba_2Mg_2Fe_<12>O_<22>.

    Yano S, Nishikawa Y, Kousaka Y., Akimitsu J, Taniguchi K, Arima T, Sagayama H, Kimura H, Noda Y.

    Meeting abstracts of the Physical Society of Japan   66 ( 2 )   544 - 544   2011.8

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  • 23pRP-8 Electrical control of the charge-ordered states in manganites

    Taniguchi Kouji

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   688 - 688   2010.8

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  • 23aWJ-12 Magnetic-field-induced phase transition in Mn_3O_4

    Sagayama H., Nii Y., Umetsu H., Abe N., Taniguchi K., Arima T.

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   457 - 457   2010.8

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  • 23pRP-8 Electrical control of the charge-ordered states in manganites

    Taniguchi Kouji

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   497 - 497   2010.8

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  • 21pGE-12 Magnetic shape memory effect induced by magnetic field rotation in MnV_2O_4 spinel oxide

    Nii Y., Yagi T., Abe N., Taniguchi K., Sagayama H., Arima T.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   628 - 628   2010.3

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  • 20aGF-5 Ferroelectric polarization along the c-axis in CuCrO_2

    Shiba M., Abe N., Nii Y., Taniguchi K., Sagayama H., Arima T.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   532 - 532   2010.3

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  • 27aRL-7 An observation of spin chirality using non-resonant circularly-polarized synchrotron radiatoin x-rays

    Sagayama H., Taniguchi K., Abe N., Arima T., Okuyama D., Yamasaki Y., Tokura Y., Sakai S., Morita T., Komesu H., Ohsumi H., Takata M.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   537 - 537   2009.8

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  • 27aRL-5 Control of the polarization flop direction in Tb_<1-x>Dy_xMnO_3 by a magnetic field

    Abe N., Taniguchi K., Sagayama H., Umetsu H., Arima T.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   537 - 537   2009.8

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  • 27aRL-9 Optical properties of a multiferroic material MnWO_4

    Taniguchi K., Satio M., Arima T.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   538 - 538   2009.8

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  • 25aRL-1 Magnetic Structure of Ferroelectric Phase in Y-type hexaferrite Ba_2Mg_2Fe_<12>O_<22>

    Nishikawa Y., Yano S., Kousaka Y., Akimitsu J., Sagayama H., Taniguchi K., Arima T., Kimura H., Noda Y.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   410 - 410   2009.8

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  • 27pTD-6 Magnetostriction and magnetodielectric property in Mn_3O_4

    Umetsu H., Abe N., Taniguchi K., Sagayama H., Arima T.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   559 - 559   2009.3

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  • 28pTL-3 Synchrotron x-ray diffraction study confirms that the orbital stripes tend to extend along an electric-field

    Konno S., Taniguchi K., Sagayama H., Arima T.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   621 - 621   2009.3

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  • 29pRF-4 Magnetic Field Induced Polarization Flop in Multiferroic RMn_2O_5

    Fukunaga M., Sakamoto Y., Kimura H., Noda Y., Abe N., Taniguchi K., Arima T., Wakimoto S., Kakurai K., Kohn K.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   965 - 965   2009.3

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  • 27pTD-5 Observation of periodic rotation of magnetization induced by an ac electric field in (Cu,Ni)B_2O_4

    Saito Mitsuru, Ishikawa Kenta, Konno Shota, Taniguchi Kouji, Arima Taka-hisa

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   559 - 559   2009.3

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  • 27pTD-10 Magnetic Structure of Multiferroic Ba_2Mg_2Fe_<12>O_<22>

    Sagayama H., Taniguchi K., Arima T., Kimura H., Noda Y., Nishikawa Y., Yano S., Kousaka Y., Akimitsu J., Matsuura M., Hirota K.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   560 - 560   2009.3

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  • 27pTD-4 Magnetic-field-direction dependence of magnetoelectric responce of a multiferroic MnWO_4

    Taniguchi K., Abe N., Ohtani S., Arima T.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   559 - 559   2009.3

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  • Magnetic Structure in Ba2Mg2Fe12O22

    H. Sagayama, K. Taniguchi, T. Arima, Y. Nishikawa, S. Yano, J. Akimitsu, H. Kimura, Y. Noda

    Activity Report on Neutron Scattering Research: Experimental Reports   16   850   2009

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  • マルチフェロイックTmMn2O5, YbMn2O5の磁場誘起分極フロップ

    福永 守, 坂本勇馬, 木村宏之, 野田幸男, 阿部伸行, 谷口耕治, 有馬孝尚, 高橋弘紀

    東北大学金属材料研究所 強磁場超伝導材料研究センター 年次報告書2008年度   2009

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  • 21aQA-1 Magnetic-field-direction dependence of magnetoelectric responce of a multiferroic MnWO_4

    Taniguchi K., Abe N., Ohtani S., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   481 - 481   2008.8

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  • 22pYG-9 Control of birefringence by optical magneto-electric effect in CuB_2O_4

    Saito Mitsuru, Ishikawa Kenta, Taniguchi Kouji, Arima Takahisa

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   137 - 137   2008.8

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  • 22pYG-9 Control of birefringence by optical magneto-electric effect in CuB_2O_4

    Saito Mitsuru, Ishikawa Kenta, Taniguchi Kouji, Arima Takahisa

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   679 - 679   2008.8

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  • 21pQF-7 Electric field effect on charge-orbital ordered state in layered manganite

    Konno S., Taniguchi K., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   532 - 532   2008.8

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  • 21aQA-5 Selectivity of magnetoelectric domain wall in a magnetic field induced electric polarization flop

    Abe N., Taniguchi K., Umetsu H., Ohtani S., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   482 - 482   2008.8

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  • 23aYE-13 Magnetic field control chirality and gigantic magneto-chiral effect in CuB_2O_4

    Saito Mitsuru, Ishikawa Kenta, Taniguchi Kouji, Arima Takahisa

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   912 - 912   2008.2

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  • 23aYB-7 Magnetic control of the sign of electric polarization in RMnO_3

    Abe N., Taniguchi K., Ohtani S., Umetsu H., Sagayama H., Iwasa K., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   517 - 517   2008.2

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  • 23pYE-11 Sense of Helical Spin Order in Multiferroic MnWO_4

    Sagayama H., Taniguchi K., Abe N., Arima T., Soda M., Matsuura M., Hirota K.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   917 - 917   2008.2

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  • 23pYE-10 Multiferroic properties of hexagonal Ba_2Mg_2Fe_<12>O_<22>

    Taniguchi K., Abe N., Ohtani S., Umetsu H., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   917 - 917   2008.2

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  • 25pWP-4 Magnetic shape memory effect in Fe_<1-x>Mn_xCr_2O_4

    Ohtani S., Saito M., Abe N., Umetsu H., Konno S., Sagayama H., Taniguchi K., Arima T.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   618 - 618   2008.2

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  • Cycloidal Spin Order in (Gd,Tb)MnO3 with Electric Polarization along the a-Axis

    H. Sagayama, N. Abe, K. Taniguchi, T. Arima, Y. Noda, M. Soda, M. Matsuura, K. Hirota, Y. Yamasaki, D. Okuyama, Y. Tokura

    Activity Report on Neutron Scattering Research: Experimental Reports   15   519   2008

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  • FeCr2O4の軌道希釈効果

    大谷晋太郎, 渡邉洋介, 齋藤充, 阿部伸行, 金野翔太, 梅津浩志, 佐賀山基, 谷口耕治, 渡邉真史, 野田幸男, 有馬孝尚

    PFシンポジウム要旨集   25th   134   2008

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  • Spin-lattice coupling in multiferroic MnWO4

    K. Taniguchi, H. Sagayama, N. Abe, S. Ohtani, T. Arima

    Photon Factory Activity Report 2007   25   104   2008

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  • 24aTQ-3 Gigantic nonreciprocal directional dichroism in CuB_2O_4

    Saito Mitsuru, Taniguchi Kouji, Arima Takahisa

    Meeting abstracts of the Physical Society of Japan   62 ( 2 )   789 - 789   2007.8

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  • 21pWH-3 Effect of pulse electric field on charge-orbital ordered state in Bi_<1-x>Sr_xMnO_3

    Konno S., Taniguchi K., Yamada S., Arima T.

    Meeting abstracts of the Physical Society of Japan   62 ( 2 )   555 - 555   2007.8

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  • 24aTE-11 Polarization memory effect in nonpolar phase of multiferroic material MnWO_4

    Taniguchi K., Abe N., Otani S., Takenobu T., Arima T.

    Meeting abstracts of the Physical Society of Japan   62 ( 2 )   1017 - 1017   2007.8

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  • 21aXA-9 Magnetoelectric effect in multiferroic material MnWO_4

    Taniguchi K., Abe N., Takenobu T., Iwasa Y., Arima T.

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   979 - 979   2007.2

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  • 18aWG-8 Ferroelectric polarization controlled by magnetic field rotation in TbMnO_3

    Abe N., Taniguchi K., Otani S., Takenobu T., Iwasa Y., Arima T.

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   491 - 491   2007.2

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  • 23pZD-9 Magnetic field induced polarization flop in multiferroic material MnWO_4

    Taniguchi K., Abe N., Takenobu T., Iwasa Y., Arima T.

    Meeting abstracts of the Physical Society of Japan   61 ( 2 )   785 - 785   2006.8

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  • 28pRA-13 V orbital ordering in spinel MnV_2O_4

    Suzuki T., Katsumura M., Katsufuji T., Taniguchi K., Arima T.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   583 - 583   2006.3

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  • 28pRA-10 Orbital states and structural phase transition in spinel type FeCr_2X_4 (X=O,S)

    Watanabe Y., Taniguchi K., Arima T.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   582 - 582   2006.3

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  • 19aYF-3 Raman study of charge-orbital ordering system : R_<1-x>Sr_<1+x>MnO_4(R=La-Eu)

    Taniguchi K., Kimura T., Kaneko Y., Uchida M., Takagi H., Tokura Y.

    Meeting abstracts of the Physical Society of Japan   60 ( 2 )   358 - 358   2005.8

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  • 30aXC-6 Raman scattering of R_2Mo_2O_7(R=Nd-Er) in the M-I transition

    Taniguchi K, Iguchi S, Katsufuji T, Ohgushi K, Taguchi Y, Tokura Y, Takagi H

    Meeting abstracts of the Physical Society of Japan   59 ( 1 )   641 - 641   2004.3

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  • Transport and optical properties of A_<1-x>La_xB_6(A=Ca,Sr)

    Taniguchi K., Katsufuji T., Takagi H., Kitazawa K., Weda H.

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   457 - 457   2001.3

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  • Hyperfine coupling of career doped hexaborides

    Fujiyama S., Takigawa M., Taniguchi K., Kitazawa K., Takagi H.

    Meeting abstracts of the Physical Society of Japan   55 ( 2 )   544 - 544   2000.9

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▼display all

Presentations

  • Development of Artificial Organic–Inorganic Hybrid Chiral Semiconductors and Detection of Chiral Electronic States

    Tomohiro Okano, Po-Jung Huang, Kouji Taniguchi

    The 2nd International Symposium on Solid State Chemistry (ISSSC-2025)  2025.12 

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  • Artificial control of chirality in highly oriented pyrolytic graphite via electrochemical intercalation of enantiopure molecular cations

    Shu Kiwada, Po-Jung Huang, Kouji Taniguchi

    The 2nd International Symposium on Solid State Chemistry (ISSSC-2025)  2025.12 

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  • Circular photogalvanic effect induced by bulk-polarity in two-dimensional organic-inorganic hybrid perovskite lead iodides

    Ichi Naruse, Po-Jung Huang, Kouji Taniguchi

    The 2nd International Symposium on Solid State Chemistry (ISSSC-2025)  2025.12 

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  • キラルな有機・無機ハイブリッド系を舞台とした光・電荷・スピン協奏物性の開拓 Invited

    谷口耕治

    立教大学理学部未来分子研究センター公開講演会  2025.11 

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    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

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  • 二次元有機・無機ハイブリッドペロブスカイト鉛ヨウ化物におけるバルク極性が誘起する円偏光ガルバノ効果

    成瀬泉心, 黄柏融, 谷口耕治

    第15回 CSJ化学フェスタ2025  2025.10 

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  • エナンチオマー分子カチオンの高配向熱分解黒鉛への電気化学的挿入によるキラリティの人工制御

    木和田滋友, 黄柏融, 谷口耕治

    第15回 CSJ化学フェスタ2025  2025.10 

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  • Non-centrosymmetry-induced phenomena in chiral organic-inorganic hybrid systems Invited

    Chimera 2025  2025.9 

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  • Reversible chirality switching in an electrochemically intercalated two-dimensional van der Waals material

    2025.9 

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  • 二次元有機・無機ハイブリッドペロブスカイト鉛ヨウ化物におけるバルク極性が誘起する円偏光ガルバノ効果

    成瀬泉心, 黄柏融, 谷口耕治

    第19回分子科学討論会  2025.9 

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  • 人工的な有機・無機ハイブリッド型キラル半導体の開発と不斉電子状態の検出

    岡野朋博, 黄柏融, 谷口耕治

    第86回応用物理学会秋季学術講演会  2025.9 

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  • 二次元有機・無機ハイブリッドペロブスカイト鉛ヨウ化物におけるバルク極性が誘起する円偏光ガルバノ効果

    成瀬泉心, 黄柏融, 谷口耕治

    第7回固体化学フォーラム研究会  2025.6 

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  • 人工的な有機・無機ハイブリッド型キラル半導体の開発とキラル系における光電流物性の開拓

    岡野朋博, 黄柏融, 谷口耕治

    第7回固体化学フォーラム研究会  2025.6 

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  • キラル有機・無機ハイブリッド系における⾮反転対称性誘起物性 Invited

    谷口耕治

    トピカルミーティング「アシンメトリ量子物質の新展開:多極子のスケールシームレス化に向けて」  2025.6 

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  • 電気化学的アプローチによるキラリティーと非対称電子輸送現象の可逆制御

    黄柏融, 楠啓明, 谷口耕治

    日本化学会第105春季年会  2025.3 

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  • 二次元キラル有機・無機ハイブリッドペロブスカイトにおけるスピン偏極光電流の生成

    紀麟飛, 黄柏融, 谷口耕治

    日本化学会第105春季年会  2025.3 

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  • 固体物質中における電荷・スピン・光の協奏現象 Invited

    谷口耕治

    第6回未来物質セミナー  2024.12 

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  • キラルな有機・無機ハイブリッド化合物の開発とキラル電子物性の開拓 Invited

    谷口耕治

    令和6 (2024)年度 日本結晶学会年会  2024.11 

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  • キラルな有機・無機ハイブリッド系における光・スピン・電荷物性の開拓 Invited

    谷口耕治

    応⽤物理学会・量⼦エレクトロニクス研究会  2024.11 

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  • イオン挿入制御を介した有機・無機ハイブリッド化合物のスピン物性開拓 Invited

    谷口耕治

    物性研究所短期研究会  2024.10 

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  • キャリアドーピングされたキラル有機・無機ハイブリッド半導体におけるスピン偏極輸送現象の開拓

    楠啓明, 黄柏融, 谷口耕治

    第18回分子科学討論会  2024.9 

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  • 反転対称性の破れた二次元有機無機ハイブリッドペロブスカイトにおける極性とキラリティー誘起電荷輸送現象の共存

    黄柏融, 成瀬泉心, 谷口耕治

    第18回分子科学討論会  2024.9 

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  • キラルイオン液体を用いた電気化学的インターカレーションによるスピン偏極輸送現象の開拓

    山田大史, 黄柏融, 谷口耕治

    第18回分子科学討論会  2024.9 

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  • 空間反転対称性の破れた磁性体における非相反的方向二色性 Invited

    谷口耕治

    第74回錯体化学会討論会  2024.9 

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  • 極性二次元有機・無機ハイブリッドペロブスカイト半導体における円偏光ガルバノ効果

    成瀬泉心, 黄柏融, 谷口耕治

    日本物理学会第79回年次大会  2024.9 

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  • 有機・無機ハイブリッド化合物を舞台とした非対称性誘起物性の開拓 Invited

    谷口耕治

    日本物理学会 2024年春季大会  2024.3 

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  • Zero-bias photocurrent generation in chirality-introduced layered organic-inorganic hybrid perovskite lead iodides Invited

    Kouji Taniguchi

    The 2nd Symposium on Materials Chemistry for New Properties and Functions  2023.12 

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  • 結晶のキラリティ制御で向きが反転する光電流 Invited

    谷口耕治

    第13回CSJ化学フェスタ2023  2023.10 

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  • 空間反転対称性の破れた有機・無機ハイブリッドペロブスカイト系化合物における光‐スピン物性 Invited

    谷口耕治

    強磁場コラボラトリー  2023.3 

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  • Magneto-electric correlation in organic-inorganic hybrid systems Invited

    Kouji Taniguchi

    2022.9 

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  • 有機・無機ハイブリッド系を舞台とした光・電荷・スピン協奏物性の開拓 Invited

    谷口耕治

    学術変革領域高密度共役の若手会  2022.6 

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  • Optical responses coupled with spins in the chirality-introduced layered organic-inorganic hybrid perovskites Invited

    Kouji Taniguchi

    CEMS Topical Meeting Online, Interplay between Chirality and Magnetism  2022.3 

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  • Nonreciprocal Directional Dichroism in organic-inorganic hybrid compounds Invited

    Kouji Taniguchi

    2021.11 

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  • キラルな有機・無機ハイブリッド層状ペロブスカイト鉛ヨウ化物における円偏光ガルバノ効果

    谷口耕治, 黄柏融, 重藤真人, 小林隆嗣, 松原正和, 笹川崇男, 佐藤寛泰, 宮坂等

    日本物理学会2021年秋季大会  2021.9 

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  • キラリティを制御した有機・無機ハイブリッド層状ペロブスカイト型ヨウ化鉛における円偏光ガルバノ効果

    谷口耕治, 黄柏融, 重藤真人, 小林隆嗣, 松原正和, 笹川崇男, 佐藤寛泰, 宮坂等

    第82回応用物理学会秋季学術講演会  2021.9 

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  • Design and Control of the Electronic State by Electrochemical Tuning in Neutral Tetraoxolene-birdged Iron Honeycomb layered Metal-Organic Frameworks

    Naoki Eguchi, Wataru Kosaka, Kouji Taniguchi, Yoshihiro Sekine, Hitoshi Miyasaka

    錯体化学会第71回討論会  2021.9 

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  • Optoelectronic and magnetoelectric characteristics in noncentrosymmetry-designed organic-inorganic hybrid perovskites Invited

    Kouji Taniguchi

    2020.11 

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  • Observation of circular photogalvanic effect in chirality-introduced organic-inorganic hybrid layered perovskites of lead iodides

    Po-Jung Huang, Kouji Taniguchi, Hitoshi Miyasaka

    2020.9 

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  • 空間反転対称性の破れを制御した有機・無機ハイブリッド層状ペロブスカイト型ヨウ化鉛におけるバルク光起電力効果

    谷口耕治, 黄柏融, 宮坂等

    第67回応用物理学会  2020.3 

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  • Bulk photovoltaic effect in noncentrosymmetric layered perovskites

    Po-Jung Huang, Kouji Taniguchi, Hitoshi Miyasaka

    The 71th JSCC Conference  2021.9 

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  • 斜め磁場を用いたらせん磁性強誘電体の電気分極制御

    有馬孝尚, 谷口耕治, 阿部伸行, 大谷晋太郎, 梅津浩志

    フラストレーションが創る新しい物性 平成20年度領域成果報告会  2009.1 

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  • マルチフェロイックMnWO4における分極フロップ方向の磁場制御

    谷口耕治, 阿部伸行, 梅津浩志, 香取浩子, 有馬孝尚

    フラストレーションが創る新しい物性 平成20年度領域成果報告会  2009.1 

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  • Novel Magneto-Optic Effects in Copper Metaborate

    有馬孝尚, 齋藤充, 石川健太, 谷口耕治

    特定領域研究「異常量子物質の創製-新しい物理を生む新物質-」2008年度成果報告会  2009.1 

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  • 遷移金属酸化物抵抗スイッチング素子におけるForming時の酸素拡散イメージング

    矢島健, 藤原宏平, 中尾愛子, 小林知洋, 田中俊之, 洲之内啓, 鈴木嘉昭, 小島健太郎, 武田麻衣, 中村吉伸, 谷口耕治, 高木英典

    第57回応用物理学関係連合講演会  2010.3 

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  • MnV2O4の磁場回転による磁気形状記憶効果

    新居陽一, 八木隆道, 阿部伸行, 谷口耕治, 佐賀山基, 有馬孝尚

    日本物理学会第65回年次大会  2010.3 

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  • CuCrO2におけるc軸方向の強誘電分極

    志波恵, 谷口耕治, 佐賀山基, 阿部伸行, 新居陽一, 有馬孝尚

    日本物理学会第65回年次大会  2010.3 

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  • マルチフェロイックヘキサフェライトBa2Mg2Fe12O22 の磁気構造

    佐賀山基, 谷口耕治, 有馬孝尚, 木村宏之, 野田幸男, 西川勇作, 矢野真一郎, 高阪勇輔, 秋光純, 松浦直人, 廣田和馬

    第5回トピカルミーティング「誘電体にひそむランダムネスとフラストレーション」  2009.12 

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  • Magnetic Structure of Multiferric Y-type Hexaferrite Ba2Mg2Fe12O22 International conference

    H. Sagayama, K. Taniguchi, N. Abe, T. Arima, H. Kimura, Y. Noda, Y. Nishikawa, S. Yano

    The 10th KOREA-JAPAN Meeting on Neutron Science  2010.1 

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  • Tb1-xDyxMnO3における電気分極の磁場による選択的回転

    阿部伸行, 谷口耕治, 佐賀山基, 梅津浩志, 有馬孝尚

    日本物理学会2009年秋季大会  2009.9 

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  • マルチフェロイックBa2Mg2Fe12O22 の磁気構造

    佐賀山基, 谷口耕治, 有馬孝尚, 木村宏之, 野田幸男, 西川勇作, 矢野真一郎, 高阪勇輔, 秋光純, 松浦直人, 廣田和馬

    物構研シンポジウム '09  2009.11 

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  • マルチフェロイック物質MnWO4の光学特性

    谷口耕治, 齋藤充, 有馬孝尚

    日本物理学会2009年秋季大会  2009.9 

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  • Y型六方晶フェライトBa2Mg2Fe12O22の強誘電相における磁気構造

    西川勇作, 矢野真一郎, 高阪勇輔, 秋光純, 佐賀山基, 谷口耕治, 有馬孝尚, 木村宏之, 野田幸男

    日本物理学会2009年秋季大会  2009.9 

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  • 非共鳴円偏光X線回折によるマルチフェロイック物質のスピンカイラリティの観測

    佐賀山基, 谷口耕治, 阿部伸行, 有馬孝尚, 山崎裕一, 奥山大輔, 十倉好紀, 酒井創一朗, 森田健史, 徳田哲久, 米須尚, 大隈寛幸, 高田昌樹

    日本物理学会2009年秋季大会  2009.9 

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  • キラルな配位子を有する発光性テルビウム錯体を用いた磁気カイラル効果の観測

    岸上周平, 木村尚次郎, 谷口耕治, 宮坂等

    日本化学会第98春季年会  2018.3 

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  • Optical spectroscopic study on magnetoelectric MnWO4 International conference

    W. S. Choi, S. J. Moon, S. J. Kim, S. S. A. Seo, Y. S. Lee, T. Arima, T. W. Noh

    March 2008 Meeting of the American Physical Society  2008.3 

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  • Gigantic optical magneto-electric effect in CuB2O4 International conference

    M. Saito, T. Arima

    March 2008 Meeting of the American Physical Society  2008.3 

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  • リチウムイオン電池システムを用いた分子磁性体における磁気秩序スイッチング Invited

    谷口耕治

    ハイブリッド材料創製部門セミナー「機能性分子固体の最前線」  2017.11 

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  • Bi1-xSrxMnO3の電荷軌道整列相へのパルス電場効果

    金野翔太, 山田重樹, 有馬孝尚

    特定領域研究「フラストレーションが創製する新しい物性」第1回トピカルミーティング「フラストレート新規物質」  2008.1 

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  • Electrochemical Switching of Magnetic Phase in a Tetraoxolene-Bridged Honeycomb Ferrimagnet Using a Lithium-Ion Battery System

    Jian Chen, Kouji Taniguchi, Yoshihiro Sekine, Hitoshi Miyasaka

    2018.3 

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  • Magnetic field control of the ferroelectric polarization in multiferroic MnWO4

    N. Abe, T. Takenobu, Y. Iwasa, T. Arima

    March 2008 Meeting of the American Physical Society  2008.3 

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  • Liイオン電池による多孔性錯体集積体の磁性制御における格子次元性効果

    志藤奈波, 西尾正樹, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    第11回分子科学討論会  2017.9 

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    Venue:仙台市  

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  • スピネル型(Fe、Mn)Cr24におけるスピン・格子・軌道の相関

    有馬孝尚, 大谷晋太郎, 渡邉洋介, 佐賀山基, 齋藤充, 阿部伸行, 梅津浩志

    特定領域研究「フラストレーションが創製する新しい物性」第1回トピカルミーティング「フラストレート新規物質」  2008.1 

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  • リチウムイオン電池システムによる中性錯体集積体における磁性相の可逆的制御

    鳴島佳佑, 佐賀山基, 志籐奈波, 高坂亘, 宮坂等

    日本物理学会2017年秋季大会  2017.9 

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    Venue:盛岡市  

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  • CuB2O4における巨大な光学的電気磁気効果

    齋藤充, 石川健太, 有馬孝尚

    特定領域研究「フラストレーションが創製する新しい物性」第1回トピカルミーティング「フラストレート新規物質」  2008.1 

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  • 異方性層状磁石における層間スピン・分子変換および圧力印加による磁気相制御

    福永大樹, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    第11回分子科学討論会  2017.9 

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    Venue:仙台市  

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  • CuB2O4における巨大な方向二色性

    有馬孝尚, 齋藤充

    特定領域研究「異常量子物質の創製」2007年成果報告会  2008.1 

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  • Realization of the role of frontier orbital symmetry and energy in paddlewheel-type dichromium(II,II) complexes toward the design of donor-acceptor one-dimensional assemblies

    Po-Jung Huang, Yoshiki Natori, Yasutaka Kitagawa, Yoshihiro Sekine, Wataru Kosaka, Kouji Taniguchi, Hitoshi Miyasaka

    錯体化学会第67回討論会  2017.9 

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    Venue:札幌市  

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  • 磁性強誘電体TbMnO3における磁場方位走査による電気分極制御

    阿部伸行, 大谷晋太郎, 梅津浩志, 有馬孝尚

    特定領域研究「フラストレーションが創製する新しい物性」第1回トピカルミーティング「フラストレート新規物質」  2008.1 

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  • Magnetic phase control based on gas-induced perturbations in a charge-variable layered magnet composed of paddlewheeltype Ru dimers and TCNQ

    Jun Zhang, Wataru Kosaka, Yoshihiro Sekine, Kouji Taniguchi, Hitoshi Miyasaka

    錯体化学会第67回討論会  2017.9 

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    Venue:札幌市  

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  • マンガン重石における磁性・強誘電性結合

    第27回化合物磁性材料研究会 「凝縮系物理学と地球惑星科学の邂逅」  2007.12 

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  • 中性-イオン性転移を示す一次元鎖状錯体におけるゲスト分子吸脱着による転移制御

    高橋優介, 高坂亘, 関根良博, 谷口耕治, 宮坂等

    錯体化学会第67回討論会  2017.9 

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    Venue:札幌市  

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  • マルチフェロイック物質MnWO4における強誘電分極の磁場応答

    特定領域研究「異常量子物質の創製」2007年成果報告会  2008.1 

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  • 空間反転対称性の破れを制御した有機・無機ハイブリッド化合物の設計と電子物性開拓

    第2回固体化学フォーラム研究会  2017.6 

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    Venue:仙台市  

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  • Bi1-xSrxMnO3の電荷軌道整列に対するパルス電場の効果

    金野翔太, 有馬孝尚

    新しい物理を生む新物質 若手の会 第三回会議「異常量子物質をどう理解するか?」  2007.12 

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  • 中性・イオン性転移を示す一次元鎖状錯体におけるゲスト分子吸脱着による転移制御

    高橋優介, 鳴島佳佑, 西尾正樹, 高坂亘, 関根良博, 谷口耕治, 宮坂等

    日本化学会第97春季年会  2017.3 

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  • スピネル型Fe1-xMnxCr24(x=0.7)における磁気形状記憶効果

    大谷晋太郎, 佐賀山基, 齋藤充, 阿部伸行, 梅津浩志, 有馬孝尚

    新しい物理を生む新物質 若手の会 第三回会議「異常量子物質をどう理解するか?」  2007.12 

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  • キラリティを導入した強磁性有機-無機ハイブリッド塩化物における光学的電気磁気効果

    谷口耕治, 西尾正樹, 阿部伸行, 木村尚次郎, 澤田裕也, 有馬孝尚, 宮坂等

    日本物理学会第72回年次大会  2017.3 

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    Venue:豊中市  

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  • CuB2O4における巨大な非相反方向二色性

    齋藤充, 石川健太, 有馬孝尚

    新しい物理を生む新物質 若手の会 第三回会議「異常量子物質をどう理解するか?」  2007.12 

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  • リチウムイオン電池を用いた遷移金属錯体集積体の可逆的磁性制御

    第5回・酸化物研究の新機軸に向けた学際討論会  2017.1 

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  • Diffraction Studies of Relation between Helicity of Cycloid Magnetism and Ferroelectric Polarization in Multiferroic Manganese Oxides International conference

    T.Arima, H.Sagayama, N.Abe, H.Ohsumi, M.Matsuura, K.Hirota, D.Okuyama, Y.Yamasaki, Y.Tokura

    The 8th Conference of the Asian Crystallographic Association  2007.11 

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  • One-dimensional chain compounds based on paddlewheel-type dichromium(II,II) complexes: the electronic effect of bridging ligands in their ambiguous magnetic behavior

    One-dimensional chain compounds, based on paddlewheel-type dichromium(II,II) complexes, the electronic effect of, bridging, liga, s, in their, ambiguous magnetic behavior

    日本化学会第97春季年会  2017.3 

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  • マルチフェロイック物質MnWO4における強誘電分極のメモリー効果

    新しい物理を生む新物質 若手の会 第三回会議「異常量子物質をどう理解するか?」  2007.12 

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  • Selective guest adsorption and electric/magnetic functionality on redox-active coordination frameworks composed of paddlewheel-type Ruthenium dimer

    高坂亘, Jun ZHANG, 関根良博, 谷口耕治, 宮坂 等

    錯体化学会第66回討論会  2016.9 

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  • CuB2O4における巨大な非相反方向二色性

    齋藤充, 有馬孝尚

    日本物理学会第62回年次大会  2007.9 

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  • 多孔性遷移金属錯体におけるリチウムイオン電池を用いた電気的磁性制御

    CMRC研究会「量子ビームを用いた多自由度強相関物質における動的交差相関物性の解明」とPF研究会「共鳴軟X線散乱を用いた構造物性研究の進展」の合同ワークショップ  2016.9 

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  • Bi1-xSrxMnO3の電荷軌道整列に対するパルス電場の効果

    金野翔太, 山田重樹, 有馬孝尚

    日本物理学会第62回年次大会  2007.9 

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  • Variable magnetic properties of π-stacked pillared layer framework compounds tuned by their [MCP*2]+ pillar spins and solvation

    錯体化学会第66回討論会  2016.9 

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  • CuB2O4における巨大な非相反方向二色性

    齋藤充, 有馬孝尚

    第45回茅コンファレンス  2007.8 

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  • Study on the fabrication and characterization of thin films of charge-transferred frameworks prepared by electrochemical deposition

    関根良博, 高坂亘, 谷口耕治, 宮坂 等

    錯体化学会第66回討論会  2016.9 

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  • マルチフェロイック物質MnWO4の非極性相における分極メモリー効果

    阿部伸行, 大谷晋太郎, 竹延大志, 有馬孝尚

    日本物理学会第62回年次大会  2007.9 

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  • 新規一次元集積錯体におけるゲスト分子に依存した中性・イオン性転移

    高橋優介, 鳴島佳佑, 西尾正樹, 関根良博, 高坂亘, 谷口耕治, 宮坂 等

    錯体化学会第66回討論会  2016.9 

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  • Liイオン電池を利用した多孔性電荷移動集積体の磁性制御

    錯体化学会第66回討論会  2016.9 

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  • Electric Polarization Reversal in Multiferroic TbMnO3 International conference

    N. Abe, S. Otani, T. Takenobu, Y. Iwasa, T. Arima

    2007CERC International Symposium  2007.5 

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  • 有機・無機ハイブリッドペロブスカイト系材料のキラリティ制御による光機能物性開拓 Invited

    谷口耕治

    日本学術振興会「分子系の複合電子機能第181委員会」 第37回研究会 「先端電子材料」  2021.7 

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  • 磁性強誘電体における電気磁気ドメイン壁の磁場方位選択性

    阿部伸行, 梅津浩志, 有馬孝尚

    第8回東北大学多元物質科学研究所研究発表会  2008.12 

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  • CuB2O4の磁場によるキラリティー誘起と巨大磁気カイラル効果

    齋藤充, 石川健太, 有馬孝尚

    第8回東北大学多元物質科学研究所研究発表会  2008.12 

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  • Correlation between Ferroelectric Polarization and Sense of Helical Spin Order in Multiferroic MnWO4 International conference

    H. Sagayama, N. Abe, T. Arima, M. Soda, M. Matsuura, K.Hirota

    The International Symposium on Anomalous Quantum Materials 2008  2008.11 

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  • Optical Magnetoelectric Effects in a Noncentrosymmetric Magnet CuB2O4 International conference

    T. Arima, M.Saito

    The International Symposium on Anomalous Quantum Materials 2008  2008.11 

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  • 層状ペロブスカイトタイプよう化鉛(II)における分子キラリティーの導入とバルク光起電力

    黄柏融, 谷口耕治, 宮坂等

    第13回分子科学討論会  2019.9 

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  • Selective rotation of electric polarization direction in magneto electric multiferroic TbMnO3

    N. Abe, S. Ohtani, H. Umetsu, T. Arima

    The International Symposium on Anomalous Quantum Materials 2008  2008.11 

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  • Ferroelectric polarization control with a low magnetic field in a multiferroic Y-type hexaferrite Ba2Mg2Fe12O22 International conference

    N. Abe, H, Sagayama, S. Ohtani, H.Umetsu, T. Arima

    The International Symposium on Anomalous Quantum Materials 2008  2008.11 

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  • Strong magneto-chiral dichroism for visible light emission in the rationally designed enantiopure terbium complex International conference

    Kouji Taniguchi, Masaki Nishio, Shuhei Kishiue, Po-Jung Huang, Shojiro Kimura, Hitoshi Miyasaka

    The 80th Okazaki Conference Chirality-induced spin selectivity and its related phenomena  2019.5 

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  • TbMnO3における電気分極フロップ時の磁場方位とドメイン選択性

    阿部伸行, 梅津浩志, 大谷晋太郎, 有馬孝尚

    日本物理学会2008年秋季大会  2008.9 

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  • キラル希土類錯体の可視発光における強い磁気キラル二色性の実現

    谷口耕治, 西尾正樹, 岸上周平, 黄柏融, 木村尚次郎, 宮坂等

    第13回分子科学討論会  2019.9 

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  • CuB2O4の光学的電気磁気効果による複屈折制御

    齋藤充, 石川健太, 有馬孝尚

    日本物理学会2008年秋季大会  2008.9 

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  • キラル希土類錯体の可視発光における磁気キラル二色性

    谷口耕治, 西尾正樹, 岸上周平, 黄柏融, 木村尚次郎, 宮坂等

    日本物理学会第73回年次大会  2019.3 

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  • 層状ペロブスカイト型Mn酸化物における電荷軌道整列ドメインに対する電場効果

    金野翔太, 有馬孝尚

    日本物理学会2008年秋季大会  2008.9 

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  • Control of the zero-bias photocurrent direction induced by bulk-photovoltaic-effect and the polarity-chirality coupling in two-dimensional lead(II) iodide perovskites

    Po-Jung Huang, Kouji Taniguchi, Hitoshi Miyasaka

    2019.3 

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  • マルチフェロイック物質MnWO4の電気磁気相図の磁場方位依存性

    阿部伸行, 大谷晋太郎, 有馬孝尚

    日本物理学会2008年秋季大会  2008.9 

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  • Strong magneto-chiral emission for visible light in a paramagnetic enantiopure metal complex Invited International conference

    Kouji Taniguchi

    The 2nd international Symposium on Coordination Asymmetry  2018.11 

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  • MnWO4の自発電気分極とスピンカイラリティの相関

    阿部伸行, 佐賀山基, 有馬孝尚, 左右田稔, 松浦直人, 廣田和馬

    多元物質科学研究所-接合科学研究所第2回合同シンポジウム  2008.7 

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  • Electrochemical Magnetic Phase Switching in Donor/Acceptor Metal-Organic Frameworks by a Li-Ion Battery System International conference

    Kouji Taniguchi, Keisuke Narushima, Hajime Sagayama, Wataru Kosaka, Nanami Shito, Hitoshi Miyasaka

    43rd International Conference on Coordination Chemistry  2018.8 

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  • マルチフェロイック物質Ba2Mg2Fe12O22における低磁場強誘電性制御

    特定領域「フラストレーション」第2回トピカルミーティング  2008.6 

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  • TTF-TCNQユニットを組み込んだ有機金属構造体におけるスピン二量体の電気化学的フィリング制御を介した可逆的磁性相スイッチング

    谷口耕治, 福永大樹, 登内政徳, 高坂亘, 宮坂等

    日本物理学会2018年秋季大会  2018.9 

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  • マルチフェロイック物質Ba2Mg2Fe12O22における低磁場強誘電性制御

    阿部伸行, 佐賀山基, 大谷晋太郎, 梅津浩志, 有馬孝尚

    多元物質科学研究所-接合科学研究所第2回合同シンポジウム  2008.7 

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  • Reversible Electrochemical Control of Magnetic Phase in Tetraoxolene-Bridged Honeycomb International conference

    Jian Chen, Kouji Taniguchi, Yoshihiro Sekine, Hitoshi Miyasaka

    43rd International Conference on Coordination Chemistry  2018.8 

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  • CuB2O4の磁場によるキラリティー制御と巨大磁気カイラル効果

    齋藤充, 石川健太, 有馬孝尚

    日本物理学会第63回年次大会  2008.3 

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  • Experimental and Theoretical Studies on Frontier Orbitals of Carboxylatebridged International conference

    Po-Jung Huang, Yoshiki Natori, Yasutaka Kitagawa, Yoshihiro Sekine, Wataru Kosaka, Kouji Taniguchi, Hitoshi Miyasaka

    43rd International Conference on Coordination Chemistry  2018.8 

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  • 斜方晶RMnO3における磁場による電気分極の符号制御

    阿部伸行, 大谷晋太郎, 梅津浩志, 有馬孝尚

    日本物理学会第63回年次大会  2008.3 

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  • Unprecedented chain compound composed of a dichromium unit and a DCNQI derivative

    Po-Jung Huang, Yoshihiro Sekine, Wataru Kosaka, Kouji Taniguchi, Hitoshi Miyasaka

    錯体化学会 第68回討論会  2018.7 

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  • マルチフェロイックMnWO4の強誘電相におけるスピンカイラリティ

    佐賀山基, 阿部伸行, 有馬孝尚, 左右田稔, 松浦直人, 廣田和馬

    日本物理学会第63回年次大会  2008.3 

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  • Observation of Magneto-chiral Effect in Luminescent Tb(III) Complexes with Chiral ligands International conference

    Shuhei Kishiue, Kouji Taniguchi, Masaki Nishio, Po-Jung Huang, Shojiro Kumura, Hitoshi Miyasaka

    43rd International Conference on Coordination Chemistry  2018.7 

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  • 六方晶Ba2Mg2Fe12O22のマルチフェロイック特性

    阿部伸行, 佐賀山基, 大谷晋太郎, 梅津浩志, 有馬孝尚

    日本物理学会第63回年次大会  2008.3 

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  • キラルな配位子を有するテルビウム錯体における発光性磁気キラル効果の観測

    岸上周平, 谷口耕治, 木村尚次郎, 宮坂等

    錯体化学会 第68回討論会  2018.7 

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  • CuB2O4における巨大な光学的電気磁気効果

    齋藤充, 谷口耕治, 石川健太, 有馬孝尚

    2008年春季応用物理学会  2008.3 

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  • Reversible Electrochemical Control of Magnetic Phase in Tetraoxolene-Bridged Honeycomb Layered Compounds through a Lithium-Ion Battery System

    Jian Chen, Kouji Taniguchi, Yoshihiro Sekine, Hitoshi Miyasaka

    2018.7 

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  • スピネル型Fe1-xMnxCr2O4における磁気形状記憶効果

    大谷晋太郎, 佐賀山基, 齋藤充, 阿部伸行, 梅津浩志, 有馬孝尚

    日本物理学会第63回年次大会  2008.3 

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  • 電荷移動型磁性体のアクセプター内電子間反発調節による磁気制御

    永野晃平, 宮坂等, 谷口耕治, 高坂亘, 関根良博

    日本化学会第98春季年会  2018.3 

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  • 遷移金属錯体集積体におけるラジカルスピンの生成・消滅を介した可逆的磁性相制御

    谷口耕治, 陳健, 関根良博, 宮坂等

    日本物理学会第73回年次大会  2018.3 

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  • Electric polarization reversal in multiferroic TbMnO3 with rotating magnetic field direction International conference

    N. Abe, S. Otani, T. Takenobu, Y. Iwasa, T. Arima

    March 2008 Meeting of the American Physical Society  2008.3 

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  • Electric control of direction of orbital stripes in charge-orbital ordered state of single-layered manganite La1/2Sr3/2MnO4 International conference

    S. Konno, K. Taniguchi, H. Sagayama, T. Arima

    American Physical Society 2009 March Meeting  2009.3 

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  • Dielectric responses on gate-opening adsorption behavior in paddlewheel-type Ru dimer chains

    高坂亘, Jun Zhang, 関根良博, 谷口耕治, 宮坂等

    錯体化学会第65回討論会  2015.9 

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  • A1-xLaxB6(A=Ca,Sr)の輸送・光学特性

    勝藤拓郎, 植田浩明, 高木英典, 北澤宏一

    日本物理学会第56回年次大会  2001.3 

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  • Electronic transport and optical properties of A1-xLaxB6(A=Ca, Sr) International conference

    T. Katsufuji, H. Ueda, H. Takagi, K. Kitazawa

    JRCAT-CERC Workshop 2001  2001.6 

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  • 層間にデカメチルメタロセンを有するπ–スタック型ピラードレイヤー構造集積体の磁気特性

    福永 大樹, 関根 良博, 高坂 亘, 谷口 耕治, 宮坂 等

    第9回分子科学討論会  2015.9 

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  • 強磁性を示すアルカリ土類ヘキサボライドの輸送・光学特性

    勝藤拓郎, 植田浩明, 野原実, 廣井善二, 高木英典, 北澤宏一

    日本物理学会2000年春の分科会  2000.3 

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  • Tuning of the Gate Opening Pressure by Modulating Metal Ions in an Identical Paddlewheel-Type Dimetal Complex Chain

    Jun Zhang, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    錯体化学会第65回討論会  2015.9 

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  • キャリアドープしたヘキサボライド強磁性体の超微細結合

    藤山茂樹, 滝川仁, 勝藤拓郎, 北澤宏一, 高木英典

    日本物理学会第55回年次大会  2000.9 

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  • ゼロ歪みLIB電極材中における異相境界の原子分解能STEM解析

    中村明穂, 谷雲鵬, 谷口耕治, 柴田直哉, 高木英典, 幾原雄一

    日本顕微鏡学会 第71回学術講演会  2015.5 

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  • イオン電池システムを用いた磁気秩序相制御

    第32回無機・分析化学コロキウム  2015.6 

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  • デカメチルクロモセニウムを用いたπ-スタック型ピラードレイヤー構造集積体の磁気特性

    福永大樹, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    日本化学会第95春季年会  2015.3 

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  • Electronically-activated paddlewheel-type Ru dimer chains with a functionalized linker for enhancing NO Capture

    Jun Zhang, Yoshihiro Sekine, Wataru Kosaka, Koji Taniguchi, Hitoshi Miyasaka

    日本化学会第95春季年会  2015.3 

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  • Ru二核錯体とTCNQ誘導体からなる電荷移動型集積体の不活性種ドーピングによる電子物性制御

    西尾正樹, 関根良博, 高坂亘, 谷口耕治, 星野哲久, 芥川智行, 宮坂等

    第8回分子科学討論会2014東広島  2014.9 

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  • 層状セレン化物のマグネシウム二次電池正極特性

    谷口耕治, 谷雲鵬, 吉野崇史, 桂ゆかり, 田代勇太, 高木英典

    第55回電池討論会  2014.11 

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  • 多孔性鎖状錯体における細形・酸化還元活の違いによるNO吸着特性制御

    高坂亘, Zhang Jun, 山岸佳世, 関根良博, 谷口耕治, 宮坂等

    錯体化学会第64回討論会  2014.9 

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  • Paddlewheel型Ru二核錯体を有する電荷移動型集積の薄膜化

    鳴島佳佑, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    錯体化学会第64回討論会  2014.9 

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  • デカメチルフェロセニウムを層間に有したπ‐スタックピラードレイヤ構造集積体の磁気特性

    福永大樹, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    錯体化学会第64回討論会  2014.9 

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  • ゼロ歪みLIB 正極材中における異相境界のABF-STEM 解析

    中村明穂, 谷雲鵬, 谷口耕治, 柴田直哉, 高木英典, 幾原雄一

    公益社団法人日本セラミックス協会 2014年年会  2014.3 

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  • Structural and Gas Adsorption Studies for Electronically Activated Porous Compounds Based on Methyl-substituted substituted Benzoate-bridged Paddlewheel Ru dimers

    Jun Zhang, Yoshihiro Sekine, Wataru Kosaka, Koji Taniguchi, Hitoshi Miyasaka

    錯体化学会第64回討論会  2014.9 

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  • Electrochemical Insertion of Lithium into a New Spinel Oxide LiRh2O4 International conference

    Y. Gu, K. Taniguchi, R. Tajima, S. Nishimura, A. Yamada, H. Takagi

    GCOE International Symposium on Physical Sciences Frontier  2012.12 

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  • クラスター化合物 MMo9Se11 (M = Li, Mg)の二次電池正極特性

    吉野崇史, 谷口耕治, 谷雲鵬, 桂ゆかり, 高木英典

    電気化学会第80回大会  2013.3 

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  • A cathode material as a model system with suppressed lattice strain for rechargeable lithium-ion batteries International conference

    Y. Gu, K.Taniguchi, R. Tajima, S. Nishimura, D. Hashizume, A. Yamada, H. Takagi

    The 12th Korea-Japan-Taiwan Symposium on Strongly Correlated Electron Systems (KJT12)  2012.3 

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  • Mn3O4における一次元鎖間スピンフラストレーションとスピン-軌道-格子結合

    新居陽一, 佐賀山基, 梅津浩志, 谷口耕治, 阿部伸行, 有馬孝尚

    日本物理学会第67回年次大会  2012.3 

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  • Cathode Performance of a New Spinel Oxide LiRh2O4 International conference

    Y. Gu, K.Taniguchi, R. Tajima, S. Nishimura, A. Yamada, H. Takagi

    The 62nd Annual Meeting of the International Society of Electrochemistry  2011.10 

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  • Electrochemical Insertion of Lithium into a New Spinel Oxide LiRh2O4 International conference

    Y. Gu, K.Taniguchi, R. Tajima, S. Nishimura, A. Yamada, H. Takagi

    UK-Japan Meeting 2012 Strategic International Research Cooperative Program by JST & EPSRC  2012.1 

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  • 分子間π-π相互作用制御を目指した水車型Ru二核(II,II)錯体の構築と電荷移動集積体の構築

    錯体化学会第66回討論会  2016.9 

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  • Magnetoelectric effect in multiferroic MnWO4

    N. Abe, T. Takenobu, Y. Iwasa, T. Arima

    2007 CERC International Symposium  2007.5 

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  • Gigantic Nonreciprocal Directional Dichroism in CuB2O4

    M. Saito, T. Arima

    2007CERC International Symposium  2007.5 

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  • The effect of the intercalated [MCp*2]+ spins in the -stacked pillared layer frameworks International conference

    H. Fukunaga, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • マルチフェロイック物質MnWO4における電気磁気効果

    阿部伸行, 竹延大志, 岩佐義宏, 有馬孝尚

    日本物理学会2007年春季大会  2007.3 

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  • 中性錯体集積体におけるリチウムイオン電池システムを用いた可逆的磁気制御

    谷口耕治, 鳴島佳佑, Julien L. Mahin, 志籐奈波, 高坂亘, 宮坂等

    第10回分子科学討論会  2016.9 

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  • TbMnO3における磁場方向の回転による電気分極制御

    阿部伸行, 大谷晋太郎, 竹延大志, 岩佐義宏, 有馬孝尚

    日本物理学会2007年春の分科会  2007.3 

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  • Guest-Induced Modification of a Ferrimagnetic Coordination Network Composed of Paddlewheel [Ru2] Units and TCNQ International conference

    J. Zhang, W. Kosaka, Y. Sekine, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • フラストレート磁性体MnWO4の電気磁気効果

    新しい物理を生む新物質 若手の会 第二回会議「異常量子物質はどう測るのか?」  2006.12 

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  • Design of metal-organic frameworks possessing a strong donor characteristic and the control of their physical properties International conference

    C. Dou, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • マルチフェロイック物質MnWO4における強誘電分極の磁場制御

    阿部伸行, 竹延大志, 岩佐義宏, 有馬孝尚

    第6回多元物質科学研究所研究発表会  2006.12 

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  • Neutral-Ionic transition in a 1-D chain complex depending on guest molecules International conference

    Y. Takahashi, K. Narushima, M. Nishio, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • Effect of Mn-Substitution on the Magnetic and Structural Properties in FeCr2O4 International conference

    T. Arima, Y. Watanabe

    International Conference on Magnetism  2006.8 

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  • Control of Magnetic Properties in Donor/Acceptor Metal-Organic Framework by Lithium-Ion Battery International conference

    N. Shito, K. Narushima, J. Mahin, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • マルチフェロイック物質MnWO4における磁場誘起分極フロップ

    日本物理学会秋季大会  2006.9 

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  • Construction of paddlewheel-type [Ru2II,II] complexes and charge transferred frameworks to control intermolecular π-π interaction International conference

    T. Shimada, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • Electric-Field Control of Charge-Orbital Order in Bi1-xSrxMnO3 International conference

    S. Nishiyama, S. Yamada, E. Sugano, T. Arima

    The international symposium on Anomalous Quantum Materials 2006 and The 5th Asia-Pacific Workshop  2006.6 

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  • Strong Driving Force for Charge Transferred Donor-Acceptor Coordination Polymers: Redox Sensitive Paddlewheel-type Dichromium(II,II) Building Blocks International conference

    P.-J. Huang, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    Pre-Conference of ICMM2016 in Sendai  2016.9 

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  • Orbital-Spin Coupling in Spinel MnV2O4 International conference

    T. Katsufuji, T. Suzuki, M. Katsumura, K. Adachi, T. Arima

    International Conference on Magnetism  2006.8 

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  • Artificial Ferrimagnetic Lattice Induced by Li-Ion Insertion in a Neutral Layered [Ru2II,II]2/TCNQ System International conference

    K. Taniguchi, K. Narushima, J. Mahin, W. Kosaka, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • スピネル型FeCr2X4(X=O, S)における軌道状態と構造相転移

    渡邉洋介, 有馬孝尚

    日本物理学会第61回年会  2006.3 

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  • Desigh of Metal-Organic Frameworks Possessing a Strong Donor Characteristic and the Control of Their Physical Properties International conference

    C. Dou, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • 層状Mn酸化物の電荷・軌道相関に対するランダムネスの効果

    新しい物理を生む新物質 若手の会 第一回会議「異常量子物質はどう作るのか?」  2005.12 

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  • Electronic State Modulation via Solvation/Desolvation Process in a Layered Ferrimagnet Composed of Paddlewheel [Ru2] Units and TCNQ International conference

    J. Zhang, W. Kosaka, Y. Sekine, K. Taniguchi, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • スピネル型MnV2O4におけるV軌道整列

    鈴木健士, 勝村倫考, 勝藤拓郎, 有馬孝尚

    日本物理学会第61回年会  2006.3 

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  • The Effect of the Intercalated [MCp*2]+ Spins in the π-Stacked Pillared Layer Frameworks International conference

    H. Fukunaga, Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • 電荷・軌道整列系R1-xSrxMnO4(R=La-Eu)のラマン散乱

    日本物理学会第60回秋季大会  2005.9 

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  • In Situ Magnetic and Dielectric Monitoring of Selective NO Adsorption from a Gate-Open-Type Chain Bundle to an No-Adducted Isomers International conference

    W. Kosaka, J. Zhang, Y. Sekine, K. Taniguchi, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • R1-xSr1+xMnO4(R=La-Eu)の電荷・軌道整列相におけるラマン散乱

    木村剛, 金子良夫, 内田正哉, 高木英典, 十倉好紀

    第5回多元物質科学研究所研究発表会  2005.12 

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  • 銅セレン化物におけるコンバージョン型新規マグネシウム二次電池正極材料の開発

    田代勇太, 谷口耕治, 宮坂等

    第56回電池討論会  2015.11 

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  • R2Mo2O7(R=Nd-Er)のM-I転移におけるラマン散乱

    井口敏, 勝藤拓郎, 大串研也, 田口康二郎, 十倉好紀, 高木英典

    日本物理学会第59回年次大会  2004.3 

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  • Fabrication of Thin Film Composed of Charge-Transferred Metal-Organic Framework International conference

    Y. Sekine, W. Kosaka, K. Taniguchi, H. Miyasaka

    ICMM2016, The 15th International Conference on Molecule-Based Magnets  2016.9 

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  • Raman Study of Charge-Orbital Ordering in R1-xSr1+xMnO4 International conference

    T. Kimura, Y. Kaneko, H. Takagi, Y. Tokura

    CERC/ERATO-SSS Workshop 2005  2005.6 

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  • Paddlewheel 型Ru 二核錯体とDCNQI からなる電荷移動型鎖状集積体の薄膜化

    横山大雅, 関根良博, 高坂亘, 谷口耕治, 宮坂等

    錯体化学会第65回討論会  2015.9 

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  • Ca1-xLaxB6の強磁性と表面の効果

    勝藤拓郎, 坂井富美子, 高木英典, 北澤宏一

    日本物理学会第57回年次大会  2002.3 

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  • イオニクスデバイスを用いた電子相制御

    第130回金研講演会  2015.11 

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  • Raman study of the metal-insulator transition in R2Mo2O7(R=Nd-Er)

    井口敏, 勝藤拓郎, 大串研也, 田口康二郎, 十倉好紀, 高木英典

    科研費特定領域研究(A)「遷移金属酸化物における新しい量子現象」研究成果報告会  2004.1 

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  • Study on charge-transfer mesophases derived from the assembly of lipophilic paddlewheel-type diruthenium units and organic acceptor molecules

    関根良博, 高坂亘, 谷口耕治, 宮坂等

    錯体化学会第65回討論会  2015.9 

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  • デカメチルメタロセンが挿入されたπ-スタック型ピラードレイヤー構造における層間分子配向による磁気挙動変化

    福永大樹, 関根良博, 高坂 亘, 谷口耕治, 宮坂等

    錯体化学会第65回討論会  2015.9 

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  • 強磁性体Ca0.995La0.005B6のNMR

    鹿討直仁, 瀧川仁, 勝藤拓郎, 高木英典

    日本物理学会第57回年次大会  2002.3 

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  • 反転対称性の破れた二次元有機・無機ハイブリッドペロブスカイト型鉛ヨウ化物におけるバルク光起電力効果

    松澤亮矢, 黄柏融, 谷口耕治

    第71回応用物理学会春季学術講演会  2024.3 

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    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 二次元有機・無機ハイブリッドペロブスカイト型半導体におけるバルク光起電力効果の検証

    松澤亮矢, 黄柏融, 谷口耕治

    有機固体若手の会2023冬の学校  2023.11 

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  • マルチフェロイック物質Ba2Mg2Fe12O22の磁気構造移

    矢野真一郎, 西川勇作, 高阪勇輔, 秋光純, 谷口耕治, 有馬孝尚, 佐賀山基, 木村宏之, 野田幸男

    日本物理学会秋季大会  2011.9 

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  • Correlation between magnetocapacitance effect and polarization flop direction in a slanted magnetic field in Tb1-xDyxMnO3 International conference

    N. Abe, K. Taniguchi, H. Sagayama, H. Umetsu, T. Arima

    March 2011 Meeting of the American Physical Society  2011.3 

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  • 新規スピネル酸化物 LiRh2O4の正極特性

    谷雲鵬, 谷口耕治, 田島諒介, 西村真一, 山田敦夫, 高木英典

    電気化学会第78回大会  2011.3 

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  • Magnetic-field-induced phase transition in Mn3O4 International conference

    Y. Nii, H. Umetsu, H. Sagayama, N. Abe, K. Taniguchi, T. Arima

    International Conference on Frustration in Condensed Matter (ICFCM)  2011.1 

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  • Cathode performance of a new spinel oxide LiRh2O4 International conference

    Y. Gu, K. Taniguchi, R. Tajima, S. Nishimura, A. Yamada, H. Takagi

    Synthesis and Properties of New Electronic Materials –UK-Japan “Functional Oxide Materials Discovery using Extreme Conditions” Meeting  2011.2 

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  • Mn3O4における磁場誘起磁気構造相転移

    新居陽一, 梅津浩志, 佐賀山基, 谷口耕治, 阿部伸行, 有馬孝尚

    日本中性子科学会第10回年会  2010.12 

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  • Correlation betweenmagnetocapacitance effect and polarization flop direction in a slanted magnetic field in Tb1−xDyxMnO3 International conference

    N. Abe, K. Taniguchi, H. Sagayama, T. Arima

    International Conference on Frustration in Condensed Matter (ICFCM)  2011.1 

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  • Mn酸化物における電荷秩序の電気的制御

    谷口耕治

    日本物理学会2010年秋季大会  2010.9 

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  • Y型六方晶フェライトBa2Mg2Fe12O22の強誘電相における磁気構造

    矢野真一郎, 西川勇作, 高阪勇輔, 秋光純, 谷口耕治, 佐賀山基, 有馬孝尚, 木村宏之, 野田幸男

    日本中性子科学会第10回年会  2010.12 

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  • Mn3O4における磁場誘起磁気構造相転移

    佐賀山基, 新居陽一, 梅津浩志, 阿部伸行, 谷口耕治, 有馬孝尚

    日本物理学会秋季大会  2010.9 

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  • 磁性強誘電体MnWO4のスピンカイラリティ制御

    有馬孝尚, 阿部伸行, 谷口耕治

    第4回トピカルミーティング「フラストレーションとカイラリティ」  2009.7 

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  • Observation of Spin Chirality using Circularly-Polarized Synchrotron Radiation X-rays International conference

    H. Sagayama, N. Abe, K. Taniguchi, T. Arima, Y. Yamasaki, D. Okuyama, Y.Tokura, S. Sakai, T. Morita, T. Komesu, H. Ohsumi, M. Takata

    Gordon Research conference X-Ray Science  2009.8 

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  • 非共鳴円偏光X線回折によるスピンカイラリティの観測

    佐賀山基, 谷口耕治, 阿部伸行, 有馬孝尚, 山崎裕一, 奥山大輔, 十倉好紀, 酒井創一朗, 森田健士, 米須尚, 大隈寛幸, 高田昌樹

    第4回トピカルミーティング「フラストレーションとカイラリティ」  2009.7 

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  • 斜方晶RMnO#D3DRにおける電気分極の磁場による選択的回転

    阿部伸行, 谷口耕治, 有馬孝尚

    第4回トピカルミーティング「フラストレーションとカイラリティ」  2009.7 

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  • Control of the polarization flop direction in multiferroic RMnO3 by a tilted magnetic field International conference

    N. Abe, K. Taniguchi, H. Umetsu, S. Ohtani, T. Arima

    International Conference on Magnetism  2009.7 

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  • Control of the electric polarization flop direction by a canted magnetic field in a magnetoelectric multiferroic material MnWO4 International conference

    K. Taniguchi, N. Abe, H. Umetsu, T. Arima

    International Conference on Magnetism  2009.7 

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  • (Cu,Ni)B2O4の電場による周期的磁化回転の観測

    齋藤充, 石川健太, 金野翔太, 谷口耕治, 有馬孝尚

    日本物理学会第64回年会  2009.3 

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  • Ferroelectric polarization control by a magnetic field in magnetoelectric multiferroic MnWO4 International conference

    K. Taniguchi

    The 2009 WPI-AIMR Annual Workshop  2009.3 

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  • マルチフェロイックBa2Mg2Fe12O22の磁気構造

    佐賀山基, 谷口耕治, 有馬孝尚, 木村宏之, 野田幸男, 西川勇作, 矢野真一郎, 高阪勇輔, 秋光純, 松浦直人, 廣田和馬

    日本物理学会第64回年会  2009.3 

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  • Mn3O4における磁歪と磁気誘電性

    梅津浩志, 阿部伸行, 谷口耕治, 佐賀山基, 有馬孝尚

    日本物理学会第64回年会  2009.3 

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  • マルチフェロイック物質MnWO4の電気磁気相図の磁場方向依存性

    谷口耕治, 阿部伸行, 大谷晋太郎, 有馬孝尚

    日本物理学会第64回年会  2009.3 

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  • マルチフェロイックRMn2O5の磁場誘起分極フロップ

    福永守, 坂本勇馬, 木村宏之, 野田幸男, 阿部伸行, 谷口耕治, 有馬孝尚, 脇本秀一, 加倉井和久, 近桂一郎

    日本物理学会第64回年会  2009.3 

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  • La1/2Sr3/2MnO4の電場印加軌道ストライプ回転におけるストライプ方向と電流方向の対応の放射光X線を用いた研究

    金野翔太, 谷口耕治, 佐賀山基, 有馬孝尚

    日本物理学会第64回年会  2009.3 

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  • Magnetostriction and magnetodielectric property in Mn3O4 International conference

    H. Umetsu, N. Abe, K. Taniguchi, H. Sagayama, T. Arima

    2009AIST-RIKEN Joint WS Emergent Phenomena of Correlated Materials  2009.3 

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  • Electrical control of direction of orbital stripes in charge-orbital ordered state of a single-layered manganite La1/2Sr3/2MnO4 International conference

    S. Konno, K. Taniguchi, H. Sagayama, T. Arima

    2009AIST-RIKEN Joint WS 'Emergent Phenomena of Correlated Materials  2009.3 

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  • Zero-Bias Photocurrent Generation in Chirality-Introduced Layered Organic-Inorganic Hybrid Perovskites Invited

    Kouji Taniguchi

    2nd International Meeting on Thin Film Interfaces, Surfaces and Composite Crystals  2021.11 

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  • Magnetic control of crystal chirality and gigantic magneto-chiral effect in CuB2O4 International conference

    M. Saito, K. Ishikawa, K. Taniguchi, T. Arima

    American Physical Society 2009 March Meeting  2009.3 

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Industrial property rights

  • マグネシウム二次電池用正極活物質

    谷口耕治, 高木英典, 吉野崇史, 谷雲鵬

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    Applicant:国立大学法人 東京大学

    Application no:特願2012-227620  Date applied:2012.10

    Announcement no:2014-082030  Date announced:2014.5

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Research Projects

  • Chimera Quasiparticles: Administrative Group

    Grant number:24H02230  2024.4 - 2029.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Transformative Research Areas (A)

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    Grant amount:\77740000 ( Direct Cost: \59800000 、 Indirect Cost:\17940000 )

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  • Chimera Quasiparticles:Molecular Science

    Grant number:24H02234  2024.4 - 2029.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Transformative Research Areas (A)

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    Authorship:Principal investigator 

    Grant amount:\260910000 ( Direct Cost: \200700000 、 Indirect Cost:\60210000 )

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  • 非反転対称な有機・無機ハイブリッド半導体の開発と光スピンオービトロニクス機能創出

    Grant number:23H01834  2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業 基盤研究(B) 

    谷口 耕治

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    Grant amount:\18850000 ( Direct Cost: \14500000 、 Indirect Cost:\4350000 )

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  • 非反転対称な有機・無機ハイブリッド半導体の開発と光スピンオービトロニクス機能創出

    Grant number:23K26527  2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    谷口 耕治

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    Grant amount:\18850000 ( Direct Cost: \14500000 、 Indirect Cost:\4350000 )

    本年度はまず、研究の舞台となる層状の有機・無機ハイブリッドペロブスカイト型鉛ヨウ化物において、有機層部分にキラル分子/極性分子を導入することにより、空間反転対称性の破れた強いスピン・軌道相互作用を持つ半導体材料の新規開発から着手した。これまでに、キラル分子カチオンのR/S-PTEA+(R/S-(p-tolyl)ethylammonium ion)を系に導入することで、新規な空間反転対称性の破れた半導体を開発することに成功しており、単結晶X線構造解析による結晶構造の決定や、光吸収スペクトルの測定など、基礎的な構造・物性情報の測定までは完了している。新たに開発された層状の有機・無機ハイブリッドペロブスカイト型鉛ヨウ化物の空間群はP21であり、キラリティだけでなく極性も併せ持っている系であることが分かった。上記の化合物に対しては、光電変換特性を調べるために、まずバルク光起電力効果の観測を行った。その結果、極性の向きに依存して符号反転を示す、ゼロバイアス光電流が発生することが見出された。一方で、キラリティも同時に持つ系であることから、強磁性のカンチレバーを取り付けたConductive AFMを用いて、キラリティ誘起スピン選択性(CISS)の観測も試みた。その結果、CISSの発現が確認され、非磁性物質ながらスピン偏極電流の生成を示唆する結果が得られた。これらの結果は、単一の有機・無機ハイブリッドペロブスカイト系化合物において、極性とキラリティのそれぞれが支配的となる電荷輸送現象を両方とも観測することに成功した初めての例である。

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  • キラル分子イオンを組み込んだ内圏型超セラミックスにおける非反転対称性誘起物性開拓

    Grant number:23H04619  2023.4 - 2024.3

    日本学術振興会  科学研究費助成事業 学術変革領域研究(A) 

    谷口 耕治

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    Grant amount:\5460000 ( Direct Cost: \4200000 、 Indirect Cost:\1260000 )

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  • キラルな有機無機ハイブリッドペロブスカイト系半導体における光-電流/スピン流変換

    2020.4 - 2023.3

    日本学術振興会  科学研究費補助金(基盤研究B) 

    谷口耕治

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  • Developing topological spin materials based on organic-inorganic hybrid systems

    2019.10 - 2023.3

    Japan Science and Technology Agency  PRESTO 

    TANIGUCHI Kouji

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    Authorship:Principal investigator  Grant type:Competitive

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  • 非反転対称磁性体を舞台とした磁気・キラル協奏電子物性の創出

    Grant number:17H05350  2017.4 - 2019.3

    日本学術振興会  科学研究費補助金(新学術領域研究)  新学術領域研究(研究領域提案型)

    谷口耕治

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    Authorship:Principal investigator  Grant type:Competitive

    空間反転対称性の破れた磁性体では、複数の対称性の破れにより、固体特有の電気と磁気の相関(電気磁気効果)が生じる。この相関は、時間的に振動する電磁場である電磁波と物質の相互作用においても、光学的電気磁気効果として発現することが、近年の研究を通して見出されてきた。本研究では、微視的なメカニズムに関する知見をもとに、キラル磁性体における光学的電気磁気効果である、磁気キラル二色性(MChD)に関して、物質設計の観点から、可視光領域における巨大効果の実現を目指した。
    微視的な観点からは、MChDは電気双極子(E1)遷移と磁気双極子(M1)遷移の干渉効果として理解されており、両者の強さが同程度の時に効果が最大となる。そこでまず、両者の強度を近付けることを物質設計指針とした。しかし大半の光学遷移では、遷移強度の関係が、|E1|>>|M1|となってしまう。そこで本研究では、反転心のある場合にE1禁制となるf-f遷移に着目し、キラル希土類錯体での物質開発に取り組んだ。この際、希土類元素周りのジオメトリーがE1禁制の緩和の大きさに影響することにも着目し、等方的な配位構造を持つ錯体を合成し、局所的対称性の破れを抑制した。また希土類元素のJ多重項のうち、時間反転操作により結び付けられる状態からのMChD信号同士は互いに打ち消し合う関係にあることが示される。その為、磁場印加によるゼーマン分裂により、二つの状態間の占有分布に偏りを生じさせなければ、信号は相殺されてしまい、MChDは観測出来ない。そこで本研究では、比較的大きなJの値を持ち、大きなゼーマン分裂が期待されるTb錯体を候補物質とした。
    上記の物質設計指針に基づいて合成したキラルTb錯体においてMChDの観測を試みたところ、500-600nmの可視光領域のf-f遷移発光において、従来の報告値の約65倍に相当する強いMChDの実現に成功した。

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  • イオンインターカレーションによる中性錯体分子結晶の磁気秩序制御

    2016.4 - 2019.3

    日本学術振興会  科学研究費補助金(基盤研究C) 

    谷口耕治

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    Authorship:Principal investigator  Grant type:Competitive

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  • 実験と理論計算科学のインタープレイによる触媒・電池の元素戦略研究拠点

    2012 - 2021

    文部科学省  元素戦略プロジェクト 研究拠点形成型 

    田中庸裕

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    Authorship:Coinvestigator(s) 

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  • Control of the Magneto-optical effect by spin-chirality in multiferroic magnet

    Grant number:21740237  2009.4 - 2011.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

    TANIGUCHI Kouji

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    Authorship:Principal investigator  Grant type:Competitive

    Recently, the magneto-optical effect, such as magneto-chiral effect in the spin systems without space-inversion symmetry, has been attracting much attention. In this study, we have tried to observe the magnetoelectric domain, in which the space-inversion symmetry is broken by the spin arrangement. We have succeeded to visualize the magnetoelectric domain in (Cu,Ni) B2O4, which is the weak ferromagnet without space-inversion symmetry. We have also visualized the two-phase coexisting state, in which the domain with spin chirality and that with the collinear spin arrangement exist, through the difference of the optical absorption of each domain.

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  • Control of anisotropic properties by an electric field in the charge-orbital order phase at room temperature

    Grant number:19740190  2007.4 - 2009.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

    TANIGUCHI Kouji

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    Authorship:Principal investigator  Grant type:Competitive

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  • アルカリ土類六硼化物の少数キャリア高温強磁性

    Grant number:02J08350  2002.4 - 2005.3

    日本学術振興会  特別研究員奨励費(DC1)  特別研究員奨励費

    谷口耕治

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    Authorship:Principal investigator  Grant type:Competitive

    前年度までの研究から、アルカリ土類ヘキサボライドにおいて観測されている強磁性が磁性不純物によるものである可能性が示唆された。これは多結晶試料を酸(硝酸、塩酸)によりエッチングして行った磁化測定、並びに蛍光X線分析などの定性元素分析の結果からの推測であった。上記の点をより詳細に検討する為、Al-flux法により高純度の原料から育成されたA_<1-x>La_xB_6(A=Ca,Sr)単結晶試料を用いた磁化測定を行った。具体的には、多結晶試料の時と同様に、酸(硝酸)によるエッチング前後における磁化の比較を各々行った。その結果、エッチングにより磁化の常磁性成分が大きく減少し、非常に小さな強磁性モーメント(Youngらの1/10程度の大きさ)しか出ていないことが明らかになった。これは、試料表面がバルクとは異なった状態(常磁性)にあり、見かけ上大きなモーメントが出ているように見えていたということを示唆している。この結果は過去のESRの報告や光学反射率の報告とも矛盾を生じない。また、エッチングにより試料表面層を除去した、小さな強磁性モーメントしか出ていない試料に関しては、ICP発光分析法による元素分析行い、磁性不純物(Fe)の影響を定量的に評価した。その結果、エッチング後のA_<1-x>La_xB_6(A=Ca,Sr)で観測される強磁性モーメントは、試料に含有されているFe量で十分に説明が可能であることが明らかになった。初年度の結果から、キャリアドーピング量と強磁性モーメントの間に相関関係が無いことが確認されていることと併せて考えると、上記の結果は、強磁性が磁性不純物に起因していることを意味している。まとめると、本研究では、酸エッチングによる見かけの磁化成分の除去と試料の高純度化を進めることによって、アルカリ土類ヘキサボライドの高温強磁性が本質的な強磁性ではないことを明らかにすることが出来たといえる。

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Teaching Experience

  • Basic Concepts of Physical Chemistry I

    2025 Institution:Institute of Science Tokyo

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  • Interdisciplinary scientific principles of energy 2

    2025 Institution:Institute of Science Tokyo

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  • 未来物質特論II

    2024.12 Institution:大阪大学

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  • Advanced Material Chemistry II

    2024 Institution:Institute of Science Tokyo

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  • Solid State Chemistry

    2023 Institution:Institute of Science Tokyo & Tokyo Institute of Technology

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  • Basic Quantum Chemistry

    2022 Institution:Institute of Science Tokyo & Tokyo Institute of Technology

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  • 無機化学IA・IB

    2014 - 2021 Institution:東北大学

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  • 固体酸化物物性論

    2011 Institution:東京大学

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  • 構造化学

    2011 Institution:東京大学

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  • condensed matter physics 2

    2010 - 2011 Institution:The University of Tokyo

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Media Coverage

  • 未来の起源 TV or radio program

    TBSテレビ  2017.4

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  • 磁石になる電池開発 Newspaper, magazine

    日経産業新聞  2017.1

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