Electron and Excitation Temperatures of Weakly Ionized Plasmas in a Non-Equilibrium State Invited Reviewed

Hiroshi Akatsuka

Journal of Plasma and Fusion Research   101 ( 10 )   391 - 395   2025.10

Evaluation of relaxation to steady state using a collisional-radiative model based on the analogy of transfer entropy Reviewed

Yosuke Shimada, Hiroshi Akatsuka

Physics of Plasmas   32 ( 8 )   080703   2025.8

Definition of electron temperature of nonequilibrium plasma based on Tsallis and Rényi entropy maximization principles Reviewed

Koji Kikuchi, Hiroshi Akatsuka

Physical Review E   112 ( 1 )   015201   2025.7

Effect of nitrogen admixture to underwater argon arc discharge plasma for nuclear decommissioning Reviewed

Hiroshi Akatsuka, Ryo Nakanishi, Atsushi Nezu, Shinsuke Mori

Progress in Nuclear Science and Technology   7   182 - 188   2025.3

Sensitivity Analysis of Excited-State Population in Plasma Based on Relative Entropy Reviewed

Yosuke Shimada, Hiroshi Akatsuka

Entropy   26 ( 9 )   782   2024.9

Spectroscopic measurement of atmospheric-pressure non-equilibrium Ar plasma using continuum and line spectra Reviewed

Wataru Kikuchi, Yuya Yamashita, Atsushi Nezu, Hiroshi Akatsuka

Journal of Physics D: Applied Physics   57 ( 33 )   335202   2024.8

OES diagnostics of atmospheric pressure argon plasma: Electron temperature and density assessment through visible bremsstrahlung inversion method and collisional-radiative model Reviewed

Keren Lin, Thijs van der Gaag, Wataru Kikuchi, Hiroshi Akatsuka, Motoshi Goto

Applied Physics Letters   124 ( 23 )   234103   2024.6

Evaluating plasma fluctuation by collisional-radiative model using Malliavin derivative Reviewed

Yosuke Shimada, Hiroshi Akatsuka

Japanese Journal of Applied Physics   63 ( 5 )   05SP02   2024.5

Quantitative analysis of optical emission spectroscopy for plasma process monitoring Invited Reviewed

Hiroshi Akatsuka

Japanese Journal of Applied Physics   63 ( 5 )   050102   2024.5

Spatial distribution diagnosis of electron temperature and density of argon inductively coupled plasma by tomographic optical emission spectroscopic measurement and collisional-radiative model Reviewed

Yuya Yamashita, Kenta Doi, Tetsuji Kiyota, Kenta Ishi, Shuhei Watanabe, Wataru Kikuchi, Atsushi Nezu, Hiroshi Akatsuka

Journal of Vacuum Science & Technology A   42 ( 2 )   023003   2024.3

Comparison of Electron Densities and Temperatures in Helium and Argon Nonthermal Atmospheric-Pressure Plasmas by Continuum Spectral Analysis Reviewed

Kiyoyuki Yambe, Tomoya Izumida, Iwao Ohyama, Hiroshi Akatsuka

IEEE Transactions on Plasma Science   52 ( 2 )   384 - 394   2024.1

Reconsideration of Temperature Determined by the Excited-State Population Distribution of Hydrogen Atoms Based on Tsallis Entropy and Its Statistics in Hydrogen Plasma in Non-Equilibrium State Reviewed

Koji Kikuchi, Hiroshi Akatsuka

Entropy   25 ( 10 )   1400   2023.9

Radial dependence diagnosis of inductively coupled Ar plasma based upon optical emission spectroscopic measurement with spectral reflectance compensation Reviewed

Yuya Yamashita, Kenta Doi, Tetsuji Kiyota, Keiichiro Asakawa, Sotaro Hosoya, Wataru Kikuchi, Atsushi Nezu, Hiroshi Akatsuka

Review of Scientific Instruments   94 ( 8 )   083503   2023.8

Optical Emission Spectroscopic Analysis Based on Collisional-Radiative Model for Diagnostics of Low-Temperature Processing Plasmas Invited Reviewed

Hiroshi Akatsuka

Journal of Plasma and Fusion Research   99 ( 8 )   377 - 384   2023.8

Partial EEDF analysis and electron diagnostics of atmospheric-pressure argon and argon–helium DBD plasma Reviewed

Thijs van der Gaag, Atsushi Nezu, Hiroshi Akatsuka

Journal of Physics D: Applied Physics   56 ( 30 )   304001   2023.7

Improved Line Intensity Analysis of Neutral Helium by Incorporating the Reabsorption Processes in a Helium Collisional-Radiative Model Reviewed

Keren Lin, Motoshi Goto, Hiroshi Akatsuka

Atoms   11 ( 6 )   94   2023.6

Development of diagnostics of electron density and temperature for atmospheric-pressure helium plasma based on optical emission spectroscopy analysis and a collisional-radiative model Reviewed International journal

Keren Lin, Atsushi Nezu, Hiroshi Akatsuka

Japanese Journal of Applied Physics   62 ( {SL} )   SL1005   2023.5

Discussion on Electron Temperature of Gas-Discharge Plasma with Non-Maxwellian Electron Energy Distribution Function Based on Entropy and Statistical Physics Reviewed

Hiroshi Akatsuka, Yoshinori Tanaka

Entropy   25 ( 2 )   276   2023.2

Estimation of Electron Density and Temperature by Continuum Spectrum in a Moving Atmospheric-Pressure Nonthermal-Equilibrium Argon Plasma Bullet Reviewed

Kiyoyuki Yambe, Tomoya Izumida, Hiroshi Akatsuka

IEEE Transactions on Plasma Science   50 ( 10 )   3593 - 3601   2022.10

Optical emission spectroscopy diagnosis of low-pressure microwave discharge helium plasma based on collisional-radiative model Reviewed International journal

Keren Lin, Atsushi Nezu, Hiroshi Akatsuka

Japanese Journal of Applied Physics   61 ( 11 )   116001   2022.8

Practical considerations of the visible bremsstrahlung inversion (VBI) method for arbitrary EEDF determination in cold atmospheric-pressure plasma Reviewed

Thijs van der Gaag, Atsushi Nezu, Hiroshi Akatsuka

Japanese Journal of Applied Physics   61 ( 7 )   076004   2022.7

Heat Transfer and Thermohydraulic Characteristics of <scp>Arc‐Discharge</scp> Argon Plasma Plume Injected into Water Reviewed

Jun Kawamura, Daisuke Hirotani, Yuya Matsuoka, Ryujiro Suzuki, Atsushi Nezu, Shinsuke Mori, Hiroshi Akatsuka

IEEJ Transactions on Electrical and Electronic Engineering   17 ( 10 )   1396 - 1408   2022.6

Optical Emission Spectroscopic Measurement of Argon Low-Pressure Inductively Coupled Plasma Based on the Optimization Algorithm of Plasma Diagnostic Model Reviewed International journal

Yuya Yamashita, Takuya Akiba, Toshihide Iwanaga, Shuichi Date, Hidehiko Yamaoka, Hiroshi Akatsuka

IEEE Transactions on Plasma Science   50 ( 6 )   1875 - 1889   2022.6

Development of Decontamination Treatment Techniques for Dry Powder Foods by Atmospheric-Pressure Nonequilibrium DC Pulse Discharge Plasma Jet Reviewed International coauthorship International journal

Toshifumi Yuji, Kenichi Nakabayashi, Hiroyuki Kinoshita, Narong Mungkung, Yoshifumi Suzaki, Sarizam Mamat, Hiroshi Akatsuka

Journal of Food Quality   2021   8896716   2021.7

Estimating electron temperature and density using improved collisional-radiative model in high-density RF argon plasma Reviewed International journal

H. Horita, D. Kuwahara, H. Akatsuka, S. Shinohara

AIP Advances   11 ( 7 )   075226   2021.7

Nonequilibrium characteristics in the rotational temperature of CO excited states in microwave discharge CO2 plasma Reviewed

Shota Yamada, Yuki Morita, Atsushi Nezu, Hiroshi Akatsuka

Japanese Journal of Applied Physics   60 ( 4 )   046005 - 046005   2021.4

Developing an optimization algorithm for diagnostic modeling of optical emission spectroscopic measurement of non-equilibrium plasmas based on the argon collisional-radiative model Reviewed

Yuya Yamashita, Takuya Akiba, Toshihide Iwanaga, Hidehiko Yamaoka, Shuichi Date, Hiroshi Akatsuka

Japanese Journal of Applied Physics   60 ( 4 )   046003 - 046003   2021.4

Spectroscopic Measurement of Arc-Discharge Argon Plasma Plume Injected into Water Reviewed

Ryujiro Suzuki, Yuya Matsuoka, Daisuke Hirotani, Atsushi Nezu, Shinsuke Mori, Hiroshi Akatsuka

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING   16 ( 3 )   364 - 373   2021.3

Measurement of temperature of spark-discharge plasma in engine cylinder Reviewed

Masao KINOSHITA, Takayuki FUYUTO, Yoshiyuki MANDOKORO, Akimitsu SUGIURA, Hiroshi AKATSUKA

Transactions of the JSME (in Japanese)   86 ( 883 )   19 - 00319   2020.3

Non-equilibrium characteristics of vibrational and rotational temperatures of N2-B and C States puffed onto argon arc jet plume Reviewed

Senna Fukukawa, Atsushi Nezu, Hiroshi Akatsuka

Japanese Journal of Applied Physics   58 ( 9 )   096003 - 096003   2019.9

ExB Drift of Electrons in a Radial Electric Field and Longitudinal Magnetic Field Reviewed International journal

Hiroshi Akatsuka

IEEE Transactions on Plasma Science   47 ( 9 )   4250 - 4259   2019.8

Diagnostics of low-pressure discharge argon plasma by multi-optical emission line analysis based on the collisional-radiative model Reviewed International journal

Yamashita,Yuya, Yamazaki,Fuminori, Nezu,Atsushi, Akatsuka,Hiroshi

Jpn. J. Appl. Phys.   58 ( 1 )   016004 - 016004   2019.1

Improve Understanding of Basic Engineering Lectures with e-learning - Department of Electrical and Electronics Engineering - Reviewed

Chiba,Akira, Yasuoka,Koichi, Nakagawa,Shigeki, Akatsuka,Hiroshi, Nishikata,Atsuhiro, Hagiwara, Makoto, Watanabe,Masahiro, Takeuchi,Nozomi, Zen,Shungo, Tokioka,Ei

Journal of JSEE   66 ( 5 )   5_44 - 5_49   2018.10

Discussion on the Excitation Temperature of Non-Equilibrium Plasma using Tsallis Entropy

Kikuchi Koji

Meeting Abstracts of the Physical Society of Japan   73.1   835 - 835   2018

Measurement of vibrational and rotational temperature in spark-discharge plasma by optical emission spectroscopy: Change in thermal equilibrium characteristics of plasma under air flow Reviewed

Kinoshita,Masao, Fuyuto,Takayuki, Akatsuka,Hiroshi

International Journal of Engine Research   20 ( 7 )   746 - 757   2018

Excitation Kinetics of Oxygen O(D-1) State in Low-Pressure Oxygen Plasma and the Effect of Electron Energy Distribution Function Reviewed

Junya Konno, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES   20 ( 2 )   2017.7

Experimental study on difference in molecular rotation temperatures between neutral molecules and molecular ions in nitrogen plasma and oxygen plasma by optical emission spectroscopy measurement Reviewed

Hiroshi Akatsuka, Hirokazu Kawano, Koichi Naoi, Haruaki Matsuura, Atsushi Nezu

JAPANESE JOURNAL OF APPLIED PHYSICS   56 ( 5 )   056102   2017.5

Numerical study of electric potential formation in a weakly ionized plasma flowing supersonically through open magnetic field lines Reviewed

Ampan Laosunthara, Jun Takeda, Hiroshi Akatsuka

Japanese Journal of Applied Physics   56 ( 1 )   2017.1

Spectroscopic Examination of Fulcher-α Band of Microwave Discharge H2-D2 and H2-He Plasmas Reviewed

Yurina Honda, Alejandro Álvaro-González, Atsushi Nezu, Hiroshi Akatsuka

Energy Procedia   131   312 - 318   2017

Dissociation degree of nitrogen molecule in low-pressure microwave-discharge nitrogen plasma with various rare-gas admixtures Reviewed

Kei Kuwano, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 8 )   086101   2016.8

Discussion on Population Kinetics and Number Densities of Excited Species of Low-Pressure Discharge Nitrogen Plasma Reviewed

Hiroshi Akatsuka, Tomohiko Shibata, Atsushi Nezu

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING   11 ( S1 )   S9 - S18   2016.6

Effect of plasma jet diameter on the efficiency of reactive oxygen and nitrogen species generation in water Reviewed

Jun-Seok Oh, Maito Kakuta, Hiroshi Furuta, Hiroshi Akatsuka, Akimitsu Hatta

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 6 )   06HD01   2016.6

Spectroscopic investigation of the NO C (2)Pi de-excitation process by collision with O-2 X (3)Sigma(-)(g) in a low-pressure N-2-O-2 mixture microwave discharge Reviewed

Hao Tan, Atsushi Nezu, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   55 ( 1 )   01AH04   2016.1

Fluoride Addition Effects on Voltammograms and UV-vis Spectra of Neodymium Cation in Molten Chlorides Reviewed

H. Matsuura, A. Nezu, H. Akatsuka, A. Uehara, T. Fujii

MOLTEN SALTS AND IONIC LIQUIDS 20   75 ( 15 )   63 - 67   2016

22aAE-3 Statistical-Mechanical Discussion on Electron Temperature of Plasmas with Non-Maxwellian EEDF (2) N_2 Plasma

Akatsuka H., Tanaka Y.

Meeting Abstracts of the Physical Society of Japan   71   967 - 967   2016

Spectroscopic investigation of the NO C

Tan Hao, Nezu Atsushi, Akatsuka Hiroshi

Jpn. J. Appl. Phys.   55 ( 1 )   01AH04   2015.10

Kinetic model and spectroscopic measurement of NO (A, B, C) states in low-pressure N-2-O-2 microwave discharge Reviewed

Hao Tan, Atsushi Nezu, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   54 ( 9 )   096103   2015.9

Spectroscopic study of recombination continuum in arc-heated cold expanding plasma jet Reviewed

Yuki Ohno, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

PROGRESS IN NUCLEAR ENERGY   82   130 - 135   2015.7

Excited State Distributions of Hydrogen Atoms in the Microwave Discharge Hydrogen Plasma and the Effect of Electron Energy Probabilistic Function Reviewed

Yoshihiro Shimizu, Yuusuke Kittaka, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   43 ( 5 )   1758 - 1768   2015.5

Experimental Study on Weakly-Ionized Rarefied Arc-Jet Flowing Supersonically along Mirror and Cusp Magnetic Field Reviewed

Tajima, Keisuke, Nezu, Atsushi, Matsuura, Haruaki, Akatsuka, Hiroshi

International Journal of Plasma Environmental Science and Technology   9 ( 1 )   7 - 12   2015.5

Spectroscopic determination of vibrational and rotational temperatures of NO molecules in N-2-O-2 mixture microwave discharge Reviewed

Hao Tan, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   54 ( 1 )   01AB06   2015.1

21pBH-13 Statistical-Mechanical Discussion on Electron Temperature of Plasmas with Non-Maxwellian EEDF

Tanaka Y., Akatsuka H.

Meeting Abstracts of the Physical Society of Japan   70   837 - 837   2015

Numerical Study on Acceleration and Deceleration Mechanism of Weakly Ionized Plasma Flowing Supersonically Through Open Field Line Reviewed

Satoshi Tsuno, Takeshi Nakahagi, Ryutaro Yamashiro, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   42 ( 12 )   3732 - 3741   2014.12

Spectroscopic Characteristics of Supersonically Expanding Nitrogen Arc-Jet Plume-Strong Atomic Lines and Weak Molecular Band Spectra Reviewed

Hiroshi Akatsuka, Masahiko Hatcho, Haruaki Matsuura

IEEE TRANSACTIONS ON PLASMA SCIENCE   42 ( 12 )   3691 - 3697   2014.12

Local Structural Analyses of Molten Thorium Fluoride in Mono- and Divalent Cationic Fluorides Reviewed

M. Numakura, N. Sato, C. Bessada, A. Nezu, H. Akatsuka, H. Matsuura

Molten Salts Chemistry and Technology   459 - 466   2014.6

Electrochemical Behaviour of Light Lanthanides in Molten Chlorides with Fluorides Reviewed

Y. Shimohara, A. Nezu, M. Numakura, H. Akatsuka, H. Matsuura

Molten Salts Chemistry and Technology   577 - 580   2014.6

Laser-Induced Fluorescence Detection of OH Radicals Generated by Atmospheric-Pressure Nonequilibrium DC Pulse Discharge Plasma Jets Reviewed

Toshifumi Yuji, Narong Mungkung, Hirokazu Kawano, Seiji Kanazawa, Toshikazu Ohkubo, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   42 ( 4 )   960 - 964   2014.4

Optical measurements of high-density helicon Plasma by using a high-speed camera and monochromators Reviewed

Shimpei Waseda, Hiroaki Fujitsuka, Shunjiro Shinohara, Daisuke Kuwahara, Marie Sakata, Hiroshi Akatsuka

Plasma and Fusion Research   9 ( 2 )   3406125   2014

Optimization of a Molten Salt Electrolytic Bath Geometry for Rare Earth Metal Recovery using a Finite Element Method Reviewed

Hiroo Numata, Hiroshi Akatsuka, Haruaki Matsuura

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES   68 ( 1-2 )   48 - 58   2013.1

Optimization of a Molten Salt Electrolytic Bath Geometry for Rare Earth Metal Recovery using a Finite Element Method Reviewed

Hiroo Numata, Hiroshi Akatsuka, Haruaki Matsuura

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES   68 ( 1-2 )   48 - 58   2013.1

Discussion on Collisional Radiative Model from the Viewpoint of Linear Ordinary Differential Equations Reviewed

Akatsuka Hiroshi

The 12th Asia Pacific Physics Conference (APPC12)   1   015016   2013

Characteristics of cold argon arc-jet plasma flowing along open-field-line and the effects of collisions on deceleration Reviewed

Yoh Nagahara, Hiroki Ichii, Kazuyuki Yoshida, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEE Transactions on Plasma Science   41 ( 8 )   1869 - 1877   2013

Characteristics of cold argon arc-jet plasma flowing along open-field-line and the effects of collisions on deceleration Reviewed

Yoh Nagahara, Hiroki Ichii, Kazuyuki Yoshida, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEE Transactions on Plasma Science   41 ( 8 )   1869 - 1877   2013

Nitrogen Arc-Jet as Atomic Radical Source - Dominance of Atomic N Lines in Comparison with Molecular N2 Band Spectra Reviewed

Akatsuka Hiroshi, Hatcho Masahiko, Matsuura Haruaki

The 12th Asia Pacific Physics Conference (APPC12)   1   015079   2013

Structure and Physico-chemical Properties of Molten Thorium Fluoride Mixtures -Synthesis of Thorium-Lithium Fluoride Mixture Reviewed

H. Matsuura, M. Numakura, K. Fujita, A. Nezu, H. Akatsuka, C. Bessada, N. Sato

Proc. of The 4th Asian Conf. Molten Salts Chemistry and Technology   249 - 256   2012.9

Progresses in Experimental Study of N2 Plasma Diagnostics by Optical Emission Spectroscopy Reviewed

Akatsuka Hiroshi

Chemical Kinetics   13   283 - 308   2012

Feasibility Study of Pyrochemical Reprocessing Using Molten Lithium-calcium Fluoride Mixtures in Salt Treatment Process for Molten Salt Reactor Reviewed

M. Numakura, N. Sato, C. Bessada, Y. Okamoto, H. Akatsuka, A. Nezu, Y. Shimohara, K. Tajima, H. Kawano, T. Nakahagi, H. Matsuura

Progress in Nuclear Energy   53   994 - 998   2011.10

In-situ observation technique of electrodeposition reaction by X-ray from synchrotron source Reviewed

Haruaki Matsuura, Atsushi Nezu, Hiroshi Akatsuka, Sou Watanabe, Akihiko Kajinami, Yasuhiko Iwadate, Norimasa Umesaki

PROGRESS IN NUCLEAR ENERGY   53 ( 7 )   930 - 934   2011.9

Structural investigation of thorium in molten lithium-calcium fluoride mixtures for salt treatment process in molten salt reactor Reviewed

Masahiko Numakura, Nobuaki Sato, Catherine Bessada, Yoshihiro Okamoto, Hiroshi Akatsuka, Atsushi Nezu, Yasuaki Shimohara, Keisuke Tajima, Hirokazu Kawano, Takeshi Nakahagi, Haruaki Matsuura

PROGRESS IN NUCLEAR ENERGY   53 ( 7 )   994 - 998   2011.9

In-situ observation technique of electrodeposition reaction by X-ray from synchrotron source Reviewed

Haruaki Matsuura, Atsushi Nezu, Hiroshi Akatsuka, Sou Watanabe, Akihiko Kajinami, Yasuhiko Iwadate, Norimasa Umesaki

PROGRESS IN NUCLEAR ENERGY   53 ( 7 )   930 - 934   2011.9

Structural investigation of thorium in molten lithium-calcium fluoride mixtures for salt treatment process in molten salt reactor Reviewed

Masahiko Numakura, Nobuaki Sato, Catherine Bessada, Yoshihiro Okamoto, Hiroshi Akatsuka, Atsushi Nezu, Yasuaki Shimohara, Keisuke Tajima, Hirokazu Kawano, Takeshi Nakahagi, Haruaki Matsuura

PROGRESS IN NUCLEAR ENERGY   53 ( 7 )   994 - 998   2011.9

Radical Simulation in Atmospheric-pressure Non-equilibrium DC Pulse Plasma of Euler's Method

YUJI Toshifumi, AKATSUKA Hiroshi, SUZAKI Yoshifumi, SHIBATA Hiroshi, TASHIRO Shinichi, TANAKA Manabu

2011 ( 63 )   21 - 24   2011.8

Surface Modification of Si Wafer by Low-Pressure High-Frequency Plasma Chemical Vapor Deposition Method Reviewed

Toshifumi Yuji, Narong Mungkung, Yuichi Kiyota, Daishiro Uesugi, Minobu Kawano, Kenichi Nakabayashi, Hisaaki Kataoka, Yoshifumi Suzaki, Nobuki Kashihara, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   39 ( 6 )   1427 - 1431   2011.6

Surface Modification of Si Wafer by Low-Pressure High-Frequency Plasma Chemical Vapor Deposition Method Reviewed

Toshifumi Yuji, Narong Mungkung, Yuichi Kiyota, Daishiro Uesugi, Minobu Kawano, Kenichi Nakabayashi, Hisaaki Kataoka, Yoshifumi Suzaki, Nobuki Kashihara, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   39 ( 6 )   1427 - 1431   2011.6

Recent trends of traditional optical emission spectroscopic measurement of non-equilibrium plasmas atmospheric-pressure Ar plasma and low-pressure N 2 plasma Reviewed

Hiroshi Akatsuka

IEEJ Transactions on Fundamentals and Materials   131 ( 1 )   6 - 10   2011

Local structural analyses on molten terbium fluoride in lithium fluoride and lithium-calcium fluoride mixtures Reviewed

Masahiko Numakura, Yoshihiro Okamoto, Tsuyoshi Yaita, Hideaki Shiwaku, Hiroshi Akatsuka, Atsushi Nezu, Keisuke Tajima, Yasuaki Shimohara, Catherine Bessada, Olivier Pauvert, Didier Zanghi, Pierre Chamelot, Haruaki Matsuura

JOURNAL OF FLUORINE CHEMISTRY   131 ( 10 )   1039 - 1043   2010.10

Local structural analyses on molten terbium fluoride in lithium fluoride and lithium-calcium fluoride mixtures Reviewed

Masahiko Numakura, Yoshihiro Okamoto, Tsuyoshi Yaita, Hideaki Shiwaku, Hiroshi Akatsuka, Atsushi Nezu, Keisuke Tajima, Yasuaki Shimohara, Catherine Bessada, Olivier Pauvert, Didier Zanghi, Pierre Chamelot, Haruaki Matsuura

JOURNAL OF FLUORINE CHEMISTRY   131 ( 10 )   1039 - 1043   2010.10

Basic Characteristics for PEN Film Surface Modification Using Atmospheric-Pressure Nonequilibrium Microwave Plasma Jet (vol 93, pg 42, 2010) Reviewed

Toshifumi Yuji, Takuya Urayama, Shuitsu Fujii, Yoshitoki Iijima, Yoshifumi Suzaki, Hiroshi Akatsuka

ELECTRONICS AND COMMUNICATIONS IN JAPAN   93 ( 8 )   57 - 57   2010.8

Basic Characteristics for PEN Film Surface Modification Using Atmospheric-Pressure Nonequilibrium Microwave Plasma Jet Reviewed

Toshifumi Yuji, Takuya Urayama, Shuitsu Fujii, Yoshitoki Iijima, Yoshifumi Suzaki, Hiroshi Akatsuka

ELECTRONICS AND COMMUNICATIONS IN JAPAN   93 ( 5 )   42 - 49   2010.5

Basic Characteristics for PEN Film Surface Modification Using Atmospheric-Pressure Nonequilibrium Microwave Plasma Jet Reviewed

Toshifumi Yuji, Takuya Urayama, Shuitsu Fujii, Yoshitoki Iijima, Yoshifumi Suzaki, Hiroshi Akatsuka

ELECTRONICS AND COMMUNICATIONS IN JAPAN   93 ( 5 )   42 - 49   2010.5

Erratum: Basic characteristics for PEN film surface modification using atmospheric-pressure nonequilibrium microwave plasma jet (Electronics and Communications in Japan (2010) 93:5 (42-49)) Reviewed

Yuji T, Urayama T, Fujii S, Iijima Y, Suzaki Y, Akatsuka H

Electronics and Communications in Japan   93 ( 8 )   2010

Evaluation of Electron Energy Distribution Function in Microwave Discharge Plasmas by Spectroscopic Diagnostics with Collisional Radiative Model

Jun Mizuochi, Takeshi Sakamoto, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 3 )   1 - 36001   2010

Surface Modification of Silicon Wafer by Low-Pressure High-frequency Plasma Chemical Vapor Deposition Method Reviewed

H. Kataoka, N. Mungkung, T. Yuji, M. Kawano, Y. Kiyota, D. Uesugi, K. Nakabayashi, Y. Suzaki, H. Shibata, N. Kashihara, K. Sakai, T. Bouno, H. Akatsuka

ISDEIV 2010: XXIVTH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM   504 - 507   2010

Optical emission spectroscopy measurement of processing plasmas Reviewed

Hiroshi Akatsuka

IEEJ Transactions on Fundamentals and Materials   130 ( 10 )   892 - 898   2010

Actinometry Measurement of Dissociation Degrees of Nitrogen and Oxygen in N-2-O-2 Microwave Discharge Plasma Reviewed

Yosuke Ichikawa, Takeshi Sakamoto, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 10 )   2010

Surface Modification of Silicon Wafer by Low-Pressure High-frequency Plasma Chemical Vapor Deposition Method Reviewed

H. Kataoka, N. Mungkung, T. Yuji, M. Kawano, Y. Kiyota, D. Uesugi, K. Nakabayashi, Y. Suzaki, H. Shibata, N. Kashihara, K. Sakai, T. Bouno, H. Akatsuka

ISDEIV 2010: XXIVTH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM   504 - 507   2010

Actinometry Measurement of Dissociation Degrees of Nitrogen and Oxygen in N-2-O-2 Microwave Discharge Plasma Reviewed

Yosuke Ichikawa, Takeshi Sakamoto, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 10 )   1061011 - 10610116   2010

大気圧プラズマ－基礎と応用 Reviewed

橘邦英, 小田哲治, 堀勝, 渡辺隆行, 高井治, 白藤立, 明石治朗, 赤塚洋, 秋津哲也, 秋山秀典, 内野喜一郎, 大竹尚登, 大参宏昌, 岡崎健, 岡本幸雄, 小田昭紀, 小野亮, 垣内弘章, 河野明廣, 小駒益弘, 児玉英之, 酒井道, 櫻井彪, 佐藤岳彦, 佐藤正之, 佐野泰久, 白井肇, 神野雅文, 高木浩一, 高島成剛, 竹田圭吾, 寺嶋和夫, 栃久保文嘉, 永津雅章, 中野俊樹, 中村圭二, 西脇彰, 野崎智洋, 水野彰, 安武潔, 山内和人, 山村和也, 湯浅基和

大気圧プラズマ－基礎と応用   2009.10

Development of Cleaning Technology on Semiconductor Equipment Process for Atmospheric-pressure Non-equilibrium DC Pulse Plasma Jet

YUJI Toshifumi, KAWANO Hirokazu, TATSUGUCHI Naoto, SATOH Shinya, AKATSUKA Hiroshi

2009 ( 22 )   81 - 86   2009.8

Ion Acceleration in Arc Jet Plasma Along Open Field Lines

Kazuyuki Yoshida, Tomohiko Shibata, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   37 ( 8 )   1414 - 1418   2009.8

Optical Emission Characteristics of Atmospheric-Pressure Nonequilibrium Microwave Discharge and High-Frequency DC Pulse Discharge Plasma Jets

Toshifumi Yuji, Shuitsu Fujii, Narong Mungkung, Hiroshi Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   37 ( 6 )   839 - 845   2009.6

Flow Characteristics of a Cold Helium Arc-Jet Plasma along Open Field Lines

Kazuyuki Yoshida, Toshiaki Kanuma, Hiroki Ichii, Atsushi Nezu, Haruaki Matsuura, Hiroshi Akatsuka

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING   4 ( 3 )   416 - 421   2009.5

Excited level populations and excitation kinetics of nonequilibrium ionizing argon discharge plasma of atmospheric pressure

Hiroshi Akatsuka

PHYSICS OF PLASMAS   16 ( 4 )   43502   2009.4

XAFS analyses of molten metal fluorides

Haruaki Matsuura, Sou Watanabe, Hiroshi Akatsuka, Yoshihiro Okamoto, Ashok K. Adya

JOURNAL OF FLUORINE CHEMISTRY   130 ( 1 )   53 - 60   2009.1

Numerical Study on the Gas Temperature of Microwave Discharge Rare Gas Plasmas as a Rarified Gas Dynamic System

Takahiko ICHIKI, Takeshi SAKAMOTO, Haruaki MATSUURA, Hiroshi AKATSUKA

J. Plasma Fusion Res. SERIES   8   768 - 772   2009

FLOWING CHARACTERISTICS OF COLD ARC JET PLASMA ALONG OPEN FIELD LINES

K.Yoshida, T. Shibata, A. Nezu, H. Matsuura, H. Akatsuka

J. Plasma Fusion Res. SERIES   8   923 - 927   2009

XAFS Analysis on the Molten Chlorides Containing Uranyl Ions Reviewed

Haruaki MATSUURA, Atsushi NEZU, Hiroshi AKATSUKA, Takayuki NAGAI, Akihiro UEHARA, Toshiyuki FUJII, Osamu SHIRAI, Hajimu YAMANA, Munetaka MYOCHIN, Yoshihiro OKAMOTO

NEA/NSC/DOC(2009)15, pp. 19-26   2009

Surface treatment of TiO2 films for dye-sensitized solar cells using atmospheric-pressure non-equilibrium DC pulse discharge plasma jet

T. Yuji, H. Akatsuka, N. Mungkung, B. W. Park, Y. M. Sung

VACUUM   83 ( 1 )   124 - 127   2008.9

Laser-induced fluorescence image of OH radicals for atmospheric-pressure nonequilibrium dry air gas DC pulse plasma jet

Toshifumi Yuji, H. Kawano, S. Kanazawa, T. Ohkubo, H. Akatsuka

IEEE TRANSACTIONS ON PLASMA SCIENCE   36 ( 4 )   976 - 977   2008.8

Temperature behavior of atmospheric-pressure non-equilibrium microwave discharge plasma jets for poly(ethylene naptharate)-surface processing

Toshifumi Yuji, Takuya Urayama, Shuitsu Fujii, Narong Mungkung, Hiroshi Akatsuka

SURFACE & COATINGS TECHNOLOGY   202 ( 22-23 )   5289 - 5292   2008.8

A new back-end cycle strategy for enhancing separation, transmutation and utilization of materials (Adv.-ORIENT cycle) Reviewed

Masaki Ozawa, Tatsuya Suzuki, Shin-ichi Koyama, Hiroshi Akatsuka, Hitoshi Mimura, Yasuhiko Fujii

PROGRESS IN NUCLEAR ENERGY   50 ( 2-6 )   476 - 482   2008

Flow Characteristics of Arc Jet Plasma along Open Field Lines Reviewed

K. Yoshida, Y. Nagahara, T. Shibata, A. Nezu, H. Matsuura, H. Akatsuka

ISDEIV 2008: PROCEEDINGS OF THE XXIIIRD INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2   1   223 - +   2008

Flow Characteristics of Arc Jet Plasma along Open Field Lines Reviewed

K. Yoshida, Y. Nagahara, T. Shibata, A. Nezu, H. Matsuura, H. Akatsuka

ISDEIV 2008: PROCEEDINGS OF THE XXIIIRD INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2   223 - +   2008

Excited State Distributions of Hydrogen Atoms and Molecules in Microwave Discharge Hydrogen Plasma and Effect of EEDF Reviewed

Y. Shimizu, Y. Kittaka, H. Matsuura, A. Nezu, H. Akatsuka

ISDEIV 2008: PROCEEDINGS OF THE XXIIIRD INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2   533 - +   2008

A new back-end cycle strategy for enhancing separation, transmutation and utilization of materials (Adv.-ORIENT cycle) Reviewed

Masaki Ozawa, Tatsuya Suzuki, Shin-ichi Koyama, Hiroshi Akatsuka, Hitoshi Mimura, Yasuhiko Fujii

PROGRESS IN NUCLEAR ENERGY   50 ( 2-6 )   476 - 482   2008

Excited State Distributions of Hydrogen Atoms and Molecules in Microwave Discharge Hydrogen Plasma and Effect of EEDF Reviewed

Y. Shimizu, Y. Kittaka, H. Matsuura, A. Nezu, H. Akatsuka

ISDEIV 2008: PROCEEDINGS OF THE XXIIIRD INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM, VOLS 1 AND 2   2   533 - +   2008

Basic Characteristics for PEN Film Surface Modification using Atmospheric-Pressure Non-equilibrium Microwave Plasma jet

Toshifumi Yuji, Takuya Urayama, Shuitsu Fujii, Zentoki Iijima, Yoshifumi Suzaki, HIROSHI AKATSUKA

IEEJ. Trans. FM   128 ( 6 )   449 - 455   2008

Titanium oxidation by microwave discharge oxygen plasma and relationship with plasma parameters

S. Kakizaka, T. Sakamoto, H. Matsuura, H. Akatsuka

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES   10 ( 2 )   253 - 259   2007.7

Basic characteristics of Ar/N-2 atmospheric pressure nonequilibrium microwave discharge plasma jets

Toshifumi Yuji, Kazunari Fujioka, Shuitsu Fujii, Hiroshi Akatsuka

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING   2 ( 4 )   473 - 475   2007.7

Actinometry measurement of oxygen dissociation degree in a microwave discharge plasma and effect of electron energy distribution function

Takeshi Sakamoto, Haruaki Matsuura, Hiroshi Akatsuka

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES   10 ( 2 )   247 - 252   2007.7

Probe and optical emission spectroscopy measurement of slotted antenna-excited nitrogen discharge plasma

Reo Toyoyoshi, Takeshi Sakamoto, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 6A )   3566 - 3572   2007.6

Experimental study of temperatures of atmospheric-pressure nonequilibrium Ar/N-2 plasma jets and poly(ethylene terephtalate)-surface processing

Toshifumi Yuji, Yoshifumi Suzaki, Takashi Yamawaki, Hiroyuki Sakaue, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 2 )   795 - 798   2007.2

Spectroscopic study on the vibrational populations of N2C (3)Pi and B (3)Pi states in a microwave nitrogen discharge

Takeshi Sakamoto, Haruaki Matsuura, Hiroshi Akatsuka

JOURNAL OF APPLIED PHYSICS   101 ( 2 )   2007.1

長寿命核分裂生成物の同位体分離技術の予備調査ー135Csへのレーザー分離法適用ー

尾下博教, 小沢正基, 石川真, 小山真一, 赤塚洋

JAERI-Review   ( 2007-031 )   2007

Investigation of Basic Characteristics of Current-Limiting Fuse Using Stainless Steel Wire

T. Yuji, M, Otsubo C. Honda, T. Inaba, H. Akatsuka

New Frontiers of Process Science and Engineering Advanced Materials, Pt.2   33 ( 2 )   101 - 106   2007

Optical Emission Spectroscopy of Atmospheric-pressure Non-equilibrium DC Pulse Discharge Plasma Jets and PEN Film Surface Modification

T. Yuji, Y. Suzaki T, Yamawaki I, Matsushima H. Akatsuka

Journal of High Temperature Society   33 ( 3 )   137 - 141   2007

Gas temperature and surface heating in plasma enhanced chemical-vapour-deposition

Shota Nunomura, Michio Kondo, Hiroshi Akatsuka

PLASMA SOURCES SCIENCE & TECHNOLOGY   15 ( 4 )   783 - 789   2006.11

Spectroscopic study on vibrational distribution of N2C3 Pi and B-3 Pi states in microwave nitrogen discharge

Takeshi Sakamoto, Haruaki Matsuura, Hiroshi Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 10A )   7905 - 7910   2006.10

Effect of plasma jet diameter on the efficiency of reactive oxygen and nitrogen species generation in water Reviewed

Jun-Seok Oh, Maito Kakuta, Hiroshi Furuta, Hiroshi Akatsuka, Akimitsu Hatta

Japanese Journal of Applied Physics   55 ( 6S2 )   06HD01   2006.5

Short-range structure of molten CeCl3 and NdCl3 determined by XAFS

H Matsuura, S Watanabe, IS Sakamoto, T Kanuma, K Naoi, A Hatcho, N Kitamura, H Akatsuka, AK Adya, T Honma, T Uruga, N Umesaki

JOURNAL OF ALLOYS AND COMPOUNDS   408   80 - 83   2006.2

XAFS analysis of molten rare-earth-alkali metal fluoride systems

S Watanabe, AK Adya, Y Okamoto, N Umesaki, T Honma, H Deguchi, A Horiuchi, T Yamamoto, S Noguchi, K Takase, A Kajinami, T Sakamoto, A Hatcho, N Kitamura, H Akatsuka, H Matsuura

JOURNAL OF ALLOYS AND COMPOUNDS   408   71 - 75   2006.2

Experimental study of effect of rare gas admixture on temperatures of microwave-excited oxygen discharge plasma

T Sakamoto, K Naoi, H Matsuura, H Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 1A )   243 - 246   2006.1

Optical emission spectroscopy and correlation on surface treatment for processing by atmospheric pressure non-equilibrium microwave discharge plasma jet

14   139 - 142   2006

Short range structure of molten CsCl - NaCl mixtures obtained by XAFS analysis Reviewed

Matsuura H, Watanabe S, Akatsuka H, Honma T, Umesaki N, Kajinami A, Takase K, Ohtori N, Iwadate Y, Fujita R, Adya A.K

Proceedings - Electrochemical Society   PV 2004-24   136 - 140   2006

Structural analysis on molten rare-earth fluorides

S Watanabe, AK Adya, Y Okamoto, H Akatsuka, H Matsuura

JOURNAL OF THE INDIAN CHEMICAL SOCIETY   82 ( 12 )   1059 - 1063   2005.12

Structural investigation on lead fluoride-lithium fluoride at various compositions and temperatures Reviewed

S Watanabe, H Matsuura, H Akatsuka, Y Okamoto, PA Madden

JOURNAL OF NUCLEAR MATERIALS   344 ( 1-3 )   104 - 108   2005.9

Structural investigation on lead fluoride-lithium fluoride at various compositions and temperatures Reviewed

S Watanabe, H Matsuura, H Akatsuka, Y Okamoto, PA Madden

JOURNAL OF NUCLEAR MATERIALS   344 ( 1-3 )   104 - 108   2005.9

XAFS analysis of SrF2 at high temperature

S Watanabe, Y Okamoto, K Minato, H Akatsuka, H Matsuura

ELECTROCHEMISTRY   73 ( 8 )   617 - 619   2005.8

Temperature dependence of short-range structural property in lithium-lead fluoride

S Watanabe, R Toyoyoshi, T Sakamoto, Y Okamoto, Y Iwadate, H Akatsuka, H Matsuura

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   66 ( 2-4 )   402 - 405   2005.2

Reprocessing of spent hydrogen absorbing alloys by using electrochemical techniques in molten salts

H Matsuura, H Numata, R Fujita, H Akatsuka

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   66 ( 2-4 )   439 - 442   2005.2

Experimental study on the effect of different noble gas admixtures on the gas temperature of oxygen plasma Reviewed

K Naoi, T Sakamoto, H Matsuura, H Akatsuka

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES   8 ( 1 )   25 - 32   2005.1

Short range structure of lanthanum chloride/oxychloride determined by EXAFS

H. Matsuura, S. Watanabe, T. Kanuma, H. Akatsuka, T. Honma, N. Umesaki, A. Kajinami, A. K. Adya, R. Fujita

PHYSICA SCRIPTA   T115   294 - 296   2005

Acceleration phenomenon of helium arc jet through a magnetic nozzle Reviewed

T Kanuma, M Hatcho, T Sakamoto, M Matsuzaki, H Matsuura, H Akatsuka

Rarefied Gas Dynamics   762   385 - 390   2005

Acceleration phenomenon of helium arc jet through a magnetic nozzle Reviewed

T Kanuma, M Hatcho, T Sakamoto, M Matsuzaki, H Matsuura, H Akatsuka

Rarefied Gas Dynamics   762   385 - 390   2005

Short range structure of lanthanum chloride/oxychloride determined by EXAFS Reviewed

H. Matsuura, S. Watanabe, T. Kanuma, H. Akatsuka, T. Honma, N. Umesaki, A. Kajinami, A. K. Adya, R. Fujita

Physica Scripta T   T115   294 - 296   2005

Short range structure of lead-lithium fluoride obtained by XAFS analysis Reviewed

S. Watanabe, R. Toyoyoshi, T. Sakamoto, Y. Okamoto, Y. Iwadate, H. Akatsuka, H. Matsuura

Physica Scripta T   T115   297 - 301   2005

Monte Carlo simulation of isotope separation phenomena by DC discharge as rarefied gas dynamics Reviewed

H Akatsuka, M Asami

Rarefied Gas Dynamics   762   1137 - 1142   2005

XAFS study of europium chloride at high temperatures

S Watanabe, AK Adya, L Rycerz, AC Barnes, M Gaune-Escard, Y Okamoto, H Akatsuka, H Matsuura

PROGRESS IN NUCLEAR ENERGY   47 ( 1-4 )   632 - 638   2005

Stationary population inversion in an expanding argon plasma jet by helium puffing Reviewed

H Akatsuka, K Kano

Rarefied Gas Dynamics   762   425 - 430   2005

Stationary population inversion in an expanding argon plasma jet by helium puffing Reviewed

H Akatsuka, K Kano

Rarefied Gas Dynamics   762   425 - 430   2005

Monte Carlo simulation of isotope separation phenomena by DC discharge as rarefied gas dynamics Reviewed

H Akatsuka, M Asami

Rarefied Gas Dynamics   762   1137 - 1142   2005

Dependence of Gas Temperature of Oxygen Plasma on Discharge Conditions

K. Naoi, T, Sakamoto, H. Matsuura, H. Akatsuka

J. Adv. Oxid. Technol.   8 ( 1 )   25 - 32   2005

Short range structure of lead-lithium fluoride obtained by XAFS analysis

S. Watanabe, R. Toyoyoshi, T. Sakamoto, Y. Okamoto, Y. Iwadate, H. Akatsuka, H. Matsuura

PHYSICA SCRIPTA   T115   297 - 301   2005

Real-time observation of Brownian motion and cluster movement of ferro- and non-magnetic particles in magnetic fluids

M Matsuzaki, H Kikura, J Matsushita, M Aritomi, H Akatsuka

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   5 ( 5-6 )   667 - 671   2004.9

Plasma diagnostics in plasma processing for nanotechnology and nanolevel chemistry

H Akatsuka

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   5 ( 5-6 )   651 - 655   2004.9

Spectroscopic study on vibrational nonequilibrium of a microwave discharge nitrogen plasma

S Koike, T Sakamoto, H Kobori, H Matsuura, H Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   43 ( 8A )   5550 - 5557   2004.8

Dependence of nitriding degree of Ti surface by non-LTE nitrogen plasma on various plasma parameters

H Kobori, S Koike, S Watanabe, M Matsuzaki, H Matsuura, H Akatsuka

THIN SOLID FILMS   457 ( 1 )   69 - 77   2004.6

Loopholes of Laws and Regulations Related to Redevelopment of Former Sites of Radioactive Material Control Area

Hiroshi Akatsuka, Akio Ogawa

Transactions of the Atomic Energy Society of Japan   2 ( 3 )   215 - 229   2003

A metallic fuel cycle concept with proliferation resistance for next generation Reviewed

Fujita R, Yamaoka M, Kawashima M, Saito M, Matsuura H, Akatsuka H

Global 2003: Atoms for Prosperity: Updating Eisenhowers Global Vision for Nuclear Energy   1304 - 1308   2003

Effect of electron energy distribution function on spectroscopic characteristics of microwave discharge argon plasma

R Kashiwazaki, H Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   41 ( 8 )   5432 - 5441   2002.8

Numerical study of isotope separation phenomena of noble gases by dc discharge as rarefied gas dynamics

M Asami, K Kano, H Akatsuka

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS   20 ( 4 )   1303 - 1313   2002.7

Numerical analysis of carbon isotope separation by plasma chemical reactions in carbon monoxide glow discharge Reviewed

S Mori, H Akatsuka, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   39 ( 6 )   637 - 646   2002.6

Experimental study of population inversion between excited states of ArI in a recombining Ar plasma by He contact cooling

K Kano, H Akatsuka

PHYSICAL REVIEW E   65 ( 5 )   056404   2002.5

Isotope separation required in SCNES and future subjects

M Suzuki, A Ezoubtchenko, H Akatsuka, H Matsuura, A Takagi

PROGRESS IN NUCLEAR ENERGY   40 ( 3-4 )   561 - 568   2002

A metallic fuel cycle for self-consistent nuclear energy system (SCNES)

R Fujita, M Yamaoka, M Kawashima, M Saito, H Matsuura, H Akatsuka

PROGRESS IN NUCLEAR ENERGY   40 ( 3-4 )   615 - 620   2002

Experimental study of population inversion between excited states of Ar I in a recombining Ar plasma by He contact cooling Reviewed

Katsuhiro Kano, Hiroshi Akatsuka

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics   65 ( 5 )   10   2002

Numericcal Analysis of Carbon Isotope Separation by Plasma Chemical Reactions in Carbon Monoxide Glow Discharge

S. Mori, H. Akatsuka, M. Suzuki

J. Nucl. Sci. Technol.   39 ( 6 )   637 - 646   2002

Carbon and oxygen isotope separation by plasma chemical reactions in carbon monoxide glow discharge Reviewed

S Mori, H Akatsuka, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   38 ( 10 )   850 - 858   2001.10

Carbon and oxygen isotope separation by plasma chemical reactions in carbon monoxide glow discharge

S Mori, H Akatsuka, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   38 ( 10 )   850 - 858   2001.10

Numerical study of population inversion between excited states of ArI in a recombining Ar plasma by He contact cooling

K Kano, H Akatsuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   40 ( 7 )   4701 - 4708   2001.7

Spectroscopic measurement of electron temperature and density in an argon plasma jet based on collisional-radiative model

K Kano, M Suzuki, H Akatsuka

CONTRIBUTIONS TO PLASMA PHYSICS   41 ( 1 )   91 - 102   2001

Measurement of Characteristics of Vapor Bubble Condensation in Subcooled Boiling Flow Using Image Data Processing

MATSUZAKI Mitsuo, WAKUDA Kouji, TAKEMOTO Takatoshi, ARITOMI Masanori, AKATSUKA Hiroshi, OBATA Hiroyuki

Transactions of the Visualization Society of Japan   21 ( 12 )   151 - 158   2001

Removal of oxide film prepared under BWR condition by using atmospheric CF4/O-2 plasma decontamination process

HF Windarto, T Matsumoto, H Akatsuka, K Sakagishi, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   37 ( 10 )   913 - 918   2000.10

Decontamination process using CF4-O-2 microwave discharge plasma at atmospheric pressure

HF Windarto, T Matsumoto, H Akatsuka, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   37 ( 9 )   787 - 792   2000.9

Electron temperature, density, and metastable-atom density of argon electron-cyclotron-resonance plasma discharged by 7.0, 8.0, and 9.4 GHz microwaves

Y Kawai, K Kano, T Suzuki, H Akatsuka, Y Fujii

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS   18 ( 5 )   2207 - 2212   2000.9

Spectroscopic measurement of electron temperature and density in argon plasmas based on collisional-radiative model

K Kano, M Suzuki, H Akatsuka

PLASMA SOURCES SCIENCE & TECHNOLOGY   9 ( 3 )   314 - 322   2000.8

A numerical study of neon isotope separation in a dc discharge through a narrow capillary

H Akatsuka, AN Ezoubtchenko, M Suzuki

JOURNAL OF PHYSICS D-APPLIED PHYSICS   33 ( 8 )   948 - 959   2000.4

Measurement Technique of Slug Flow Characteristics Using Image Data Processing - (II) Measurement Technique of Velocity Field in Wake Region and Liquid Film Velocity in Slug Flows -

Mitsuo MATSUZAKI, Takatoshi TAKEMOTO, Masanori ARITOMI, Hiroshi AKATSUKA, Hiroyuki OBATA

J. Vis. Soc. Jpn.   20 ( 76 )   43 - 48   2000

Passive and Active Spectroscopic Diagnostics of a Microwave Discharge Oxygen Plasma of Atmospheric Pressure

Tomoya TANDAI, Takaaki TERASHI, Katsuhiro KANO, Masaaki SUZUKI, Hiroshi AKATSUKA

J. Spectrosc. Soc. Jpn.   49 ( 2 )   72 - 82   2000

On the Parameter of the Oxygen Plasma for a Discharge Pumped Oxygen Iodine laser

Hiroshi AKATSUKA, Fuminori SATO, Masaaki SUZUKI

Rev. Laser Eng.   28 ( 7 )   428 - 434   2000

Measurement Technique of Slug Flow Characteristics Using Image Data Processing - (1) Measurement Technique of Rising Velocity and Liquid Film Thickness of Slug Bubbles-

松崎充男, 竹本高敏, 有冨正憲, 赤塚洋, 小幡宏幸

J. Vis. Soc. Jpn.   20 ( 76 )   37 - 42   2000

Measurement Technique of Slug Flow Characteristics Using Image Data Processing:(2) Measurement Technique of Velocity Field in Wake Region and Liquid Film Velocity in Slug Flows

MATSUZAKI Mitsuo, TAKEMOTO Takatoshi, ARITOMI Masanori, AKATSUKA Hiroshi, YOSHIOKA Yuzuru

Transactions of Visualization Society of Japan   19 ( 1 )   397 - 400   1999

Measurement Technique of Slug Flow Characteristics Using Image Data Processing:(I)Measurement Technique of Rising Velocity and Liquid Film Thickness of Slug Bubbles

MATSUZAKI Mitsuo, TAKEMOTO Takatoshi, ARITOMI Masanori, AKATSUKA Hiroshi, YOSHIOKA Yuzuru

Transactions of Visualization Society of Japan   19 ( 1 )   393 - 396   1999

A microwave discharge oxygen plasma of atmospheric pressure - Apparatus, diagnostics, numerical modeling, and application

Akatsuka, H., Komatsubara, M., Tandai, T., Terashi, T., Kano, K., Pisarczyk, P., Pisarczyk, T., Wolowski, J.

International Conference on Phenomena in Ionized Gases, Vol Ii, Proceedings   1999

An experimental study of noble gas isotope separation by DC arc discharge

H Akatsuka, N Ohtsuki, AN Ezoubtchenko, M Suzuki

CONTRIBUTIONS TO PLASMA PHYSICS   39 ( 6 )   557 - 570   1999

Measurements of plasma parameters in the direct current discharge for isotope separation Reviewed

A Ezoubtchenko, N Ohtsuki, H Akatsuka, M Suzuki

PLASMA SOURCES SCIENCE & TECHNOLOGY   7 ( 2 )   136 - 140   1998.5

RF放電プラズマを用いた同位体分離

赤塚洋, A.N.Ezoubtchenko, 鈴木正昭

プラズマ・核融合学会誌   74 ( 3 )   219   1998

直流放電プラズマを用いた同位体分離

赤塚洋, A.N.Ezoubtchenko, 鈴木正昭

プラズマ・核融合学会誌   74 ( 3 )   225   1998

Isotope Separation in Discharge Plasmas of Molecular Gases(共著)

A.N. Ezoubtchenko, H, Akatsuka, M. Suzuki

J. Plasma Fusion Research   74 ( 3 )   233 - 238   1998

Isotope separation methods for self-consistent nuclear energy system Reviewed

AN Ezoubtchenko, H Akatsuka, M Suzuki

PROGRESS IN NUCLEAR ENERGY   32 ( 3-4 )   729 - 735   1998

Conversion of chloride waste into oxide by microwave heated oxygen plasma

M Suzuki, M Komatsubara, M Umebayashi, H Akatsuka

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   34 ( 12 )   1159 - 1170   1997.12

Conversion of chloride waste into oxide by microwave heated oxygen plasma Reviewed

M Suzuki, M Komatsubara, M Umebayashi, H Akatsuka

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   34 ( 12 )   1159 - 1170   1997.12

Isotope Separation Methods for SCNES(共著)

HIROSHI AKATSUKA

Prog. Nucl. Energy   32 ( 3/4 )   729   1997

Stable Discharge Conditions and Numerical Simulation of Atmospheric-Pressure Microwave-Heated Oxygen Plasma

SUZUKI Masaaki, UMEBAYASHI Masayuki, KOMATSUBARA Masaru, AKATSUKA Hiroshi

Journal of plasma and fusion research   73 ( 9 )   1014 - 1024   1997

Numerical analysis of the behavior of hydrogen added into a free-burning arc Reviewed

M Suzuki, Y Sato, H Akatsuka

PLASMA CHEMISTRY AND PLASMA PROCESSING   16 ( 3 )   399 - 415   1996.9

Numerical analysis of the behavior of hydrogen added into a free-burning arc

M Suzuki, Y Sato, H Akatsuka

PLASMA CHEMISTRY AND PLASMA PROCESSING   16 ( 3 )   399 - 415   1996.9

Experimental study on neon isotope separation by DC arc discharge

T Sone, H Akatsuka, M Suzuki

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   33 ( 5 )   414 - 422   1996.5

マイクロ波加熱酸素プラズマによる金属塩化物の酸素化

赤塚洋

プラズマ応用と複合機能材料   5   31   1996

Experimental Study on Neon Isotope Separation by DC Arc Discharge Reviewed

SONE, Taiju, AKATSUKA, Hiroshi a, SUZUKI, Masaaki

Journal of Nuclear Science and Technology   33 ( 5 )   414 - 422   1996

AN EXPERIMENTAL-STUDY OF STATIONARY-POPULATION INVERSION IN A COLD RECOMBINING EXPANDING HELIUM PLASMA-JET

H AKATSUKA, M SUZUKI

PLASMA SOURCES SCIENCE & TECHNOLOGY   4 ( 1 )   125 - 136   1995.2

Scientific feasibility of incineration in scnes

H Akatsuka, T Ohsaki, T Obara, M Igashira, M Suzuki, Y Fujii-e

Progress in Nuclear Energy   29 ( Suppl )   477 - 484   1995

STATIONARY-POPULATION INVERSION OF HYDROGEN IN AN ARC-HEATED MAGNETICALLY TRAPPED EXPANDING HYDROGEN-HELIUM PLASMA-JET

H AKATSUKA, M SUZUKI

PHYSICAL REVIEW E   49 ( 2 )   1534 - 1544   1994.2

NUMERICAL STUDY ON POPULATION-INVERSION AND LASING CONDITIONS IN AN OPTICALLY THICK RECOMBINING HELIUM PLASMA

H AKATSUKA, M SUZUKI

CONTRIBUTIONS TO PLASMA PHYSICS   34 ( 4 )   539 - 561   1994

ARC-HEATED MAGNETICALLY TRAPPED EXPANDING PLASMA-JET GENERATOR

H AKATSUKA, M SUZUKI

REVIEW OF SCIENTIFIC INSTRUMENTS   64 ( 7 )   1734 - 1739   1993.7

Preparation of carbon clusters by arc-heated expanding plasma jet

T. Sone, H. Akatsuka, M. Suzuki

PLASMA SOURCES SCIENCE & TECHNOLOGY   2 ( 1 )   46 - 50   1993.2

Effects of Fluence and Temperature on Sputtering Yield by He-Ion Bombardment(共著)

M. Tomita, K. Masumori, M, Takami, H, Akatsuka, T. Nate, S. Miyagi, M. Sakisaka

IPPJ-AM   64   68   1989

PHOTON-COUNTING METHOD FOR MEASURING THE CURRENT FRACTION IN D2+-HE+ MIXED ION SPUTTERING Reviewed

H AKATSUKA, M TAKAMI, N HIRABAYASHI, M SAKISAKA, M TOMITA

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS   30 ( 2 )   207 - 210   1988.3

PHOTON-COUNTING METHOD FOR MEASURING THE CURRENT FRACTION IN D2+-HE+ MIXED ION SPUTTERING

H AKATSUKA, M TAKAMI, N HIRABAYASHI, M SAKISAKA, M TOMITA

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS   30 ( 2 )   207 - 210   1988.3

Measurement of Dissociation and Eletron Capture of Molecular Ions in Collision with Gas Atoms(共著)

HIROSHI AKATSUKA

Atomic Collisions Research in Japan, Progress Report   11   76   1985

Spectroscopic Measurement of Electron Temperature and Density in Argon Plasmas Based on Collisional-Radiative Model

Nova Science Publishers, New York  2002  （ ISBN:1590333292 ）

Spectroscopic Measurement of Electron Temperature and Density in Argon Plasmas Based on Collisional-Radiative Model

Nova Science Publishers, New York  2002  （ ISBN:1590333292 ）

XAFS Measurement of Simulated Waste Glass Samples (Borosilicate Glass including Vanadium)

永井崇之, 小林秀和, 捧賢一, 菖蒲康夫, 岡本芳浩, 塩飽秀啓, 松浦治明, 松浦治明, 内山孝文, 内山孝文, 岡田往子, 岡田往子, 根津篤, 根津篤, 赤塚洋, 赤塚洋, 柿原敏明, 柿原敏明, 川島英典, 川島英典

日本原子力研究開発機構JAEA-Research(Web)   2016 ( 2016-015 )   WEB ONLY - 2,1-52   2016.11

HYBRID SIMULATION OF WEAKLY-IONIZED RAREFIED ARC-JET FLOWING SUPERSONICALLY ALONG DIVERGING MAGNETIC FIELD

Ampan Laosunthara, Satoshi Tsuno, Takeshi Nakahagi, Hiroshi Akatsuka

2015 42ND IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCES (ICOPS)   2015

VIBRATIONAL AND ROTATIONAL TEMPERATURES OF NO A (2)Sigma(+) METASTABLE STATE IN N-2-O-2 MIXTURE MICROWAVE DISCHARGE

Hao Tan, Atsushi Nezu, Hiroshi Akatsuka

2015 42ND IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCES (ICOPS)   2015

21303 Measurement of high-density helicon plasma by using optical methods

FUJITSUKA Hiroaki, WASEDA Shimpei, SAKATA Marie, KUWAHARA Daisuke, AKATSUKA Hiroshi, SHINOHARA Shunjiro

2014 ( 20 )   "21303 - 1"-"21303-2"   2014.3

30aAX-13 Essentiality of EEDF on the Excitation Kinetics of Low-Pressure Discharge Oxygen Plasma

Konno J., Nezu A., Matsuura H., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   69 ( 1 )   282 - 282   2014.3

Calculation of γ-band Spectra of NO Molecule in Microwave Discharge N_2-O_2 Mixture Plasma and Determination of Vibrational and Rotational Temperature

HAO Tan, ATSUSHI Nezu, HARUAKI Matsuura, HIROSHI Akatsuka

2013 ( 104 )   29 - 32   2013.9

Excitation Kinetics of Discharge Oxygen Plasma with Low Pressure and Effect of EEDF

KONNO Junya, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2013 ( 58 )   23 - 28   2013.5

Optical Emission Spectroscopic Characteristics of Expanding Nitrogen Arc-Jet Plasma

HATCHO Masahiko, WATANABE Sou, MATSUURA Haruaki, AKATSUKA Hiroshi

2013 ( 10 )   13 - 18   2013.3

Experimental Study on Steady-State Plasma Flow Injected into Curved Magnetic Field

TAJIMA Keisuke, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2012 ( 85 )   17 - 21   2012.12

Particle Simulation of Weakly-Ionized Arc-Jet Expanding along Open-Field-Line as Rarefied Gas Dynamics

NAKAHAGI Takeshi, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2012 ( 29 )   77 - 81   2012.8

Spectroscopic Study on Non-equilibrium of Low-pressure Microwave-Discharge Hydrogen Plasma

SHIMIZU Yoshihiro, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2012 ( 1 )   19 - 24   2012.5

25aYE-8 Experimental Study on Cold Arc-Jet Flow with Low Density along Weak Micrror or Cusp Magnetic Field

Tajima Keisuke, Nezu Atsushi, Matsuura Haruaki, Akatsuka Hiroshi

Meeting abstracts of the Physical Society of Japan   67 ( 1 )   262 - 262   2012.3

Difference in Rotational Temperatures between Neutral Molecules and Molecular Ions of N_2/O_2 Plasmas of Low-Pressure Microwave Discharge

AKATSUKA H.

Extended Abstracts of the 59th Spring Meeting 2012 ; The Japan Society of Applied Physics and the Related Societies   8 - 161   2012

Difference in Rotational Temperature between O_2 and O_2^+ in Low-Pressure Discharge Oxygen Plasma

AKATSUKA Hiroshi, NAOI Koichi, MATSUURA Haruaki

2011 ( 92 )   21 - 26   2011.12

Cleaning Process for Semiconductor Equipment Process on Atmospheric-Pressure Non-Equilibrium DC Pulse Plasma Jet

T.Yuji, Y.Kiyota, Y.Okamura, H.Kinoshita, N.Mungkung, Y.Suzaki, T.Hamada, H.Akatsuka

Proceeding of The Japan-Thailand-Lao P.D.R. Joint Friendship International Conference on Applied Electrical and Mechanical Engineering 2011   51 - 54   2011.9

Diagnostics of Vibration and Rotational Temperatures in Atmospheric-Pressure Non-equilibrium Discharge Electrodeless-Type Microwave Plasma Jet

T.Yuji, N.Mungkung, A.Kobayashi, Y.Suzaki, H.Akatsuka

Proceeding of The Japan-Thailand-Lao P.D.R. Joint Friendship International Conference on Applied Electrical and Mechanical Engineering 2011   301 - 304   2011.9

Estimation of Vibrational and Rotational Temperatures of N_2^+ of Microwave Discharge Nitrogen Plasma by Optical Emission Spectroscopy Measurement

KAWANO Hirokazu, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2011 ( 36 )   15 - 18   2011.8

Isotopic Effect Owing to Neutral Particle Flow along DC Discharge Plasma

AKATSUKA Hiroshi

2011 ( 19 )   61 - 66   2011.5

Feasibility study on molten salt electrolysis for the application to recovery of rare earths from nickel-MH battery

SHIMOHARA Yasuaki, NEZU Atsushi, NUMAKURA Masahiko, AKATSUKA Hiroshi, MATSUURA Haruaki

( 58 )   12 - 13   2011.5

Discussion on the Collisional Radiative Model Based on Fundamentals of Linear Ordinary Differential Equations

AKATSUKA Hiroshi

2010 ( 65 )   67 - 72   2010.12

Experimental study of plasma parameters of flowing arc jet plasma along mirror and cusp magnetic fields

TAJIMA Keisuke, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2010 ( 107 )   59 - 64   2010.12

24aQA-3 Effect of Collisions of Supersonic Plasma Flow with Neutral Particles on Deceleration into Subsonic Region

Nagahara Y., Yoshida K., Nezu A., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   175 - 175   2010.8

Effect of Collisions with Neutral Particles on Stall Phenomena of Supersonic Plasma Flow

NAGAHARA Yoh, ICHII Hiroki, YOSHIDA Kazuyuki, NEZU Atsushi, AKATSUKA Hiroshi

2010 ( 41 )   23 - 27   2010.8

Measurement of Nitrogen Dissociation Degree of Nitrogen Discharge Plasma by Actinometry Method with Subtraction of First Positive Band Spectrum

AKATSUKA Hiroshi, ICHIKAWA Yosuke, KUWANO Kei, SAKAMOTO Takeshi, NEZU Atsushi, MATSUURA Haruaki

2010 ( 9 )   23 - 28   2010.6

Structural analyses on terbium fluorides in molten alkali and alkaline earth fluorides

NUMAKURA Masahiko, MATSUURA Haruaki, AKATSUKA Hiroshi, NEZU Atsushi, YAITA Tsuyoshi, OKAMOTO Yoshihiro, SHIWAKU Hideaki, BESSADA Catherine

( 56 )   86 - 87   2010.5

20aTJ-7 Actinometry measurement of dissociation degree of N_2 molecule in nitrogen discharge plasma and effect of inert gas admixture

Kuwano K., Nezu A., Matsuura H., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   65 ( 1 )   224 - 224   2010.3

Collisional Radiative Model of Ar Plasma and Estimation of Electron Temperature Measurement of Atmospheric Pressure by OES Measurement

HIROSHI AKATSUKA

13 - 17   2010

Fundamental Study of Interfacial Heat Transfer by Low-Pressure Non-Equilibrium Discharge Plasmas with OES Experiment and MD Simulation

KITTAKA Yusuke, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2009 ( 127 )   51 - 55   2009.11

Surface Modification of Poly (ethylene Naphthalate) Films Using Atmospheric-pressure Non-equilibrium Microwave Discharge Plasma Jets(<Special Issue>Asia-Pacific Symposium on Applied Electromagnetics and Mechanics (APSAEM08))

T. Yuji, H. Kawano, T. Urayama, S. Fujii, N. Mungkung, H. Akatsuka, Faculty of Education and Culture University of Miyazaki, Department of Electrical and Electronic Engineering Oita University, ADTEC Plasma Technology Co. Ltd., ADTEC Plasma Technology Co. Ltd., Department of Electrical Technology Education King Mongkut's University of Thonburi, Research Laboratory for Nuclear Reactors Tokyo Institute of Technology

Journal of the Japan Society of Applied Electromagnetics and Mechanics   17   S113 - S116   2009.9

28aYL-10 Supersonic Acceleration and Potential Formation of Helium Arc Plasma Flow at Open Field Lines

Yoshida K., Nezu A., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   64 ( 2 )   143 - 143   2009.8

Optical Emission Spectroscopy and Double Probe Measurement of Microwave Nitrogen-Rare Gas Discharge Plasma

KUWANO Kei, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2009 ( 53 )   7 - 12   2009.8

Measurement of oxygen-rare gas mixed microwave-discharge plasmas

TAKAI Wataru, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2009 ( 22 )   19 - 23   2009.8

OES Measurement of Recombination Continuum from Stationary Expanding Plasma Jet

OHNO Yuki, NEZU Atsushi, MATSUURA Haruaki, AKATSUKA Hiroshi

2009 ( 22 )   65 - 69   2009.8

Supersonic Ion Acceleration and Potential Formation of Arc Plasma Flow at Open Field Lines

YOSHIDA Kazuyuki, SHIBATA Tomohiko, NEZU Atsushi, AKATSUKA Hiroshi

2009 ( 1 )   43 - 47   2009.6

27pSP-1 Number Density of Excited States of Nitrogen Discharge Plasma Based upon Elementary Processes

Akatsuka H., Ichikawa Y., Sakamoto T.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   202 - 202   2009.3

領域2「可視・近紫外プラズマ分光〜核融合と基礎プラズマを診る〜」(2008年秋季大会シンポジウムの報告)

赤塚 洋

日本物理學會誌   64 ( 2 )   119 - 119   2009.2

Discussion on Excited State Populations of Nitrogen Discharge in Terms of Atomic and Molecular Processes

AKATSUKA Hiroshi, SHIBATA Tomohiko, NEZU Atsuhi

2008 ( 16 )   13 - 18   2008.5

プラズマが拓く新技術 (特集 プラズマが拓く新技術)

赤塚 洋

ケミカルエンジニヤリング   53 ( 3 )   169 - 173   2008.3

Basic Characteristics of Ar Gas at Atmospheric-Pressure Non-Equilibrium Microwave Discharge Plasma Jet

T. Yuji, H. Kawano, N. Mungkung, T. Urayama, S. Fujii, Y. Suzaki, H. Akatsuka

Proceedings of the 15th Annual Meeting of Institute of Applied Plasma Science   17   11 - 12   2008.3

Optical Emission Spectroscopy of Atmospheric-pressure Electrodeless-type Microwave Plasma Jet

H. Kawano, T. Yuji, H. Akatsuka, A. Kobayashi

Proceedings of the 15th Annual Meeting of Institute of Applied Plasma Science   17   75 - 76   2008.3

23aRE-9 Effect of EEDF on Excited-States Populations in Low-Pressure Hydrogen Plasma

Shimizu Y., Kittaka Y., Matsuura H., Nezu A., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   217 - 217   2008.2

21aRS-5 Dissociation Degree of Oxygen and Nitrogen in a Microwave Discharge O_2-N_2 Plasma

Ichikawa Y., Sakamoto T., Matsuura H., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   62 ( 2 )   207 - 207   2007.8

20aQE-1 Spectroscopic Measurement of Recombination Continuum in a Cold Expanding Plasma Jet

Ohno Y., Matsuura H., Akatsuka H.

Meeting abstracts of the Physical Society of Japan   62 ( 1 )   215 - 215   2007.2

Preliminary review on Isotope Separation of Long Life Fission Products - Application Research of Laser Isotope Separation to 135Cs

Hironori Oshita, Masaki Ozawa, Makoto Ishikawa, Shin-ichi Koyama, HIROSHI AKATSUKA

JAERI-Review   ( 2007-031 )   2007

23aQB-6 Numerical Study on Population Distribution of Argon Discharge of Atmospheric Pressure (2)

Akatsuka H.

Meeting abstracts of the Physical Society of Japan   61 ( 2 )   133 - 133   2006.8

Direct Simulation Monte Carlo Analysis of Neutral Particle Temperature in Discharge Plasmas

ICHIKI Takahiko, SAKAMOTO Takeshi, MATSUURA Haruaki, AKATSUKA Hiroshi

2006 ( 35 )   13 - 17   2006.5

Spectroscopic study on the vibrational distribution of nitrogen molecule N_2 C^3Π and B^3Π states in microwave nitrogen discharge

SAKAMOTO Takeshi, MATSUURA Haruaki, AKATSUKA Hiroshi

2006 ( 35 )   23 - 28   2006.5

Local structural analyses on molten rare earth fluorides

WATANABE Sou, OKAMOTO Yoshihiro, ADYA Ashok K., AKATSUKA Hiroshi, MATSUURA Haruaki

( 48 )   10 - 11   2006.5

27pUC-7 Numerical Study on Population Distribution of Argon Discharge of Atmospheric Pressure

Akatsuka H.

Meeting abstracts of the Physical Society of Japan   61 ( 1 )   203 - 203   2006.3

Optical Emission Spectroscopy of Atmospheric Pressure Plasmas

H. Akatsuka

Material Stage   5 ( 12 )   21 - 25   2006

Optical Emission Spectroscopy and Correlation on Surface Treatment for Processing by Atmospheric Pressure Non-Equilibrium Microwave Discharge Plasma Jets

T. Yuji, K. Fujioka, S. Fujii, K. Fukuyama, H. Akatsuka

14   139 - 142   2006

20aXK-14 An Experimental Study of Cold Helium Arc-Jet Flowing along Diverging Magnetic Field

Akatsuka H., Kanuma T., Matsuura H., Matsuzaki M.

Meeting abstracts of the Physical Society of Japan   60 ( 2 )   107 - 107   2005.8

Elementary Processes and Numerical Modelling of Plasmas

12   21 - 57   2005

Optical Emission Spectroscopy

Hiroshi AKATSUKA

Journal of the Institute of Engineers on Electrical Discharges in Japan   48 ( 3 )   19 - 25   2005

水素吸蔵合金の乾式リサイクルプロセスの開発(4)有限要素法による電解槽の最適化

沼田博雄, 松浦治明, 赤塚洋, 藤田玲子

電気化学会第71回大会講演要旨集   61   2004

XAFSによるセリウムを含む溶融塩化物の構造解析

松浦治明, 渡部創, 赤塚洋, 梅咲則正

第36回溶融塩化学討論会講演要旨集   53,54   2004

乾式再処理におけるユウロピウム塩の化学形態

松浦治明, 渡部創, 赤塚洋, 岡本芳浩, 湊和生

日本原子力学会2004年秋の大会予稿集   614   2004

SrF_2_系溶融塩のXAFS解析

渡部創, 岡本芳浩, 赤塚洋, 松浦治明

第7回XAFS討論会講演要旨集   27,28   2004

溶融希土類塩化物の内部構造に及ぼすアルカリ塩添加効果

松浦治明, 赤塚洋, 岡本芳浩, アショックアディア

電気化学会第71回大会講演要旨集   64   2004

XAFS analysis of molten rare earth-alkali metal fluoride systems

S.Watanabe, T.Sakamoto, T.Kanuma, K.Naoi, M.Hatcho, N.Kitamura, A.K.Adya, N.Umesaki T.Honma, Y.Okamoto, H.Deguchi, M.Horiuchi T.Yamamoto, S.Noguchi, H.Akatsuka, H.Matsuura

Book of abstracts 1 of Rare Earths '04 in Nara   125   2004

Structure of molten LaF_3_ and alkali fluoride mixtures

S. Watanabe, H. Akatsuka, A, K. Adya, H. Matsuura

Abstract book of Euchem 2004 Molten Salts Conference   64   2004

Spectroscopic Diagnostics of Microwave Discharge Oxygen Plasma of Atmospheric Pressure

J. Inst. Electrostatics Jpn.   28 ( 5 )   244   2004

Characteristics of Cold Helium Arc Jet near a Magnetic Nozzle

T. Kanuma, M, Hatcho M, Matsuzaki H. Matsuura, H. Akatsuka

Proc. 21st Symp. Plasma Proc. (SPP-21)   126   2004

Short range structure of molten CeCl_3_ and NdCl_3_ obtained by XAFS

H.Matsuura, S.Watanabe, T.Sakamoto, T.Kanuma, K.Naoi, M.Hatcho, N.Kitamura, H.Akatsuka, A.K.Adya, T.Honma, T.Uruga, N.Umesaki

Book of abstracts 1 of Rare Earths '04 in Nara   126   2004

Chemical Form of Europium Compunds in Pyrochemical Reprocessing

HIROSHI AKATSUKA

2004 Fall Meeting of the Atomic Energy Society of Japan   614   2004

Development Program for Innovative Partitioning System in COE

HIROSHI AKATSUKA

2004 Fall Meeting of the Atomic Energy Society of Japan   総5   2004

Acceleration Phenomena of Helium Arc-Jet through a Magnetic Nozzle

Extended Abstracts (The 65th Autumn Meeting, 2004); The Japan Society of Applied Physics   103   2004

Population of Excited Species in Oxygen Discharge

T. Sakamoto, H, Matsuura M, Matsuzaki H. Akatsuka

Proc. 21st Symp. Plasma Proc. (SPP-21)   204   2004

On the Necessity of Laws and Regulations of Protection against Soil Pollution by Radioactive Materials and its Desirable Characteristics

HIROSHI AKATSUKA

Proc. 2003 Fall Meeting of the Atomic Energy Society of Japan   5   2003

Short range structure of lanthanum oxychlorides determined by EXAFS

H. Matsuura, S. Watanabe, T, Kanuma, H. Akatsuka, T. Honma, N. Umeasaki, A. Kajinami, A. K. Adya, R. Fujita, M. Myochin

Abstracts of XAFS12   83   2003

Nano scale local structure of molten rare-earth fluoride systems observed by X-ray absorption spectroscopy

S. Watanabe, M. Hatcho, N. Kitamura, Y. Okamoto, K. Suzuki, Y. Iwadate, N, Umesaki T. Honma, A. Kajinami, K. Takase, A, K. Adya, H. Akatsuka, H. Matsuura

Abstract book of Nanoscience and Nanotechnology on Quantum Particles   36   2003

Nuclear engineering to nano science - nano-scaled structural investigation of rare earth oxychlorides

H.Matsuura, S.Watanabe, M.Hatcho, N.Kitamura, H.Akatsuka, K.Suzuki, Y.Iwadate, N.Ohtori, N.Umesaki T.Honma, A.Kajinami, A.K.Adya, R.Fujita, H.Kofuji, M.Myochin

Abstract book of Nanoscience and Nanotechnology on Quantum Particles   35   2003

LiF-PbF_2_溶融塩の構造解析

渡部創, 直井浩一, 神沼俊昌, 岡本芳浩, 鈴木峰太, 岩舘泰彦, 宮原祐輔, 伊藤恵司, 赤塚洋, 松浦治明

第35回溶融塩化学討論会講演要旨集   23 - 24   2003

Numerical Study of Isotope Effect in DC Discharge through a Narrow Capillary

Extended Abstracts (The 50th Spring Meeting, 2003); The Japan Society of Applied Physics and Related Societies   189   2003

Short range structure of lanthanum-alkali fluorides obtained by XAFS analysis

S. Watanabe, T, Kanuma, H. Akatsuka, H. Tanida, T. Honma, N. Umesaki, A. Kajinami, A. K. Adya, R. Fujita, Y. Okamoto, H. Matsuura

Abstracts of XAFS12   236   2003

Short range structure of lead-lithium fluoride obtained by XAFS analysis

S. Watanabe, R. Toyoyoshi, T. Sakamoto, Y. Okamoto, Y. Iwadate, H. Akatsuka, H. Matsuura

Abstracts of XAFS12   84   2003

Characteristics of Helium Arc Jet near Magnetic Nozzle

Extended Abstracts (The 64th Autumn Meeting, 2003); The Japan Society of Applied Physics   124   2003

Effect of admixture of noble gases on gas temperature of oxygen plasma

Extended Abstrracts (The 64th Autumn Meeting, 2003); The Japan Society of Applied Physics   99   2003

Development of the Dry Recycle Process for Hydrogen Absorbing Alloys (3) Anodic Dissolution and Cathodic Electrodeposition Tests

HIROSHI AKATSUKA

Proc. 70th Anniversary Memorial Meeting of the Electrochemical Society of Japan   261   2003

Structural Analysis of Molten Lif-PbF2

HIROSHI AKATSUKA

Proc. 70th Anniversary Memorial Meeting of the Electrochemical Society of Japan   253   2003

Loopholes of Laws and Regulations Related to Redevelopment of Former Sites of Radioactive Material Control Area

Hiroshi Akatsuka, Akio Ogawa

Transactions of the Atomic Energy Society of Japan   2 ( 3 )   215 - 229   2003

フッ化ランタンーアルカリ金属フッ化物系溶融塩のLa-LIII端XAFS構造解析

渡部創, 八町昌彦, 北村直久, 恩田直良喜, 岡本芳浩, 岩舘泰彦, 赤塚洋, 松浦治明

2003年電気化学秋季大会講演要旨集   208   2003

XAFSによるランタンオキシクロライドの短距離構造解析

松浦治明, 渡部創, 神沼俊昌, 赤塚洋, 本間徹生, 梅咲則正, 梶並昭彦, アショックアディア, 藤田玲子, 明珍宗孝

2003年電気化学秋季大会講演要旨集   209   2003

水素吸蔵合金の乾式リサイクルプロセスの開発(3) 陽極溶解および電解析出試験

松浦治明, 沼田博雄, 藤田玲子, 赤塚洋

電気化学会創立70周年記念大会講演要旨集   261   2003

細管内の直流放電における同位体効果の数値解析

浅見光史, 赤塚洋

応用物理学関係連合講演会講演予稿集   50th ( 1 )   2003

XAFSによるランタンオキシクロライドの短距離構造解析（2）

松浦治明, 渡部創, 神沼俊昌, 赤塚洋, 本間徹生, 梅咲則正, 梶並昭彦, アショックアディア, 藤田玲子, 小藤博英, 明珍宗孝

第35回溶融塩化学討論会講演要旨集   21 - 22   2003

フッ化ランタンーアルカリ金属フッ化物溶融塩の構造解析

渡部創, 八町昌彦, 北村直久, 恩田直良喜, 岡本芳浩, 岩舘泰彦, 赤塚洋, 松浦治明

第6回XAFS討論会講演要旨集   79 - 80   2003

Isotope Separation of Nitrogen by Population Difference in Vibrationally Excited Levels in Nitrogen Discharge

Akatsuka H., Koike S., Matsuura H.

Meeting abstracts of the Physical Society of Japan   57 ( 2 )   199 - 199   2002.8

Measurement of Characteristics of Vapor Bubble Condensation in Subcooled Boiling Flow Using Image Data Processing

MATSUZAKI Mitsuo, WAKUDA Kouji, TAKEMOTO Takatoshi, ARITOMI Masanori, AKATSUKA Hiroshi, OBATA Hiroyuki

21 ( 12 )   151 - 158   2002.1

Structure of molten PbF_2_ obtained by EXAFS spectroscopy

Sou Watanabe, Reo Toyoyoshi, Takeshi Sakamoto, Yoshihiro Okamoto, Yasuhiko Iwadate, Hiroshi Akatsuka, Haruaki Matsuura

Abstracts of Euchem 2002 Molten Salts Conference   C8   2002

Theoretical Study on Isotope Effect of Vibrational Non-Equilibrium in Nitrogen Gas Discharge

2002 Fall Meeting og the Atomic Energy Society of Japan   692   2002

Fundamentals of Nuclear Pumped Laser

2002 Fall Meeting og the Atomic Energy Society of Japan   2   2   2002

On Loopholes of Laws and Regulations Related to Redevelopment of Former Sites with Radiation Protection Area

2002 Fall Meeting og the Atomic Energy Society of Japan   197, 443   2002

Dependence of Degree of Ti Surfce Nitriding by Irradiation of Nitrogen Plasma on Temperatures

153   2002

Carbon Isotope Separation by CO/Ar Glow Discharge Plasma - Estimation of 14C Separation Factor -

2002 Fall Meeting of the Atomic Energy Society of Japan   693   2002

Isotope Effect in Vivrationally Excited States of Nitrogen Molecule in Nitrogen Discharge

Extended Abstracts (The 63rd Autumn Meeting, 2002); The Japan Society of Applied Physics   122   2002

Development of the Dry Recycle Process for Hydrogen Absorbing Alloys (2) Voltammetry of La, Ce, Nd Cation in the Molten LiCl-KCl

HIROSHI AKATSUKA

318   2002

XAFSによるPbF_2_短範囲構造の温度依存性

渡部創, 豊吉令欧, 坂本武士, 岡本芳浩, 岩舘泰彦, 赤塚洋, 松浦治明

第5回XAFS討論会   25   2002

CO/Arグロー放電プラズマによる炭素同位体分離 - 電子エネルギー分布の影響 -

森伸介, 赤塚洋, 鈴木正昭

日本原子力学会 2002年春の年会 要旨集   ( 3 )   799   2002

溶融LiF-PbF_2_のXAFS解析

渡部創, 豊吉令欧, 坂本武士, 岡本芳浩, 岩舘泰彦, 赤塚洋, 松浦治明

第34回溶融塩化学討論会講演要旨集   13 - 14   2002

Dependence of Electron and Vibration Temperatures on Discharge Pressure of Microwave Discharge Nitrogen Plasma

57 ( 1 )   181   2002

Monte Carlo Simulation of isotope Separation Phenomena by DC Discharge as Rarefied Gas Dynamics

M. Asami, H. Akatsuka

115   2002

Electrochemical study of rare earths in molten (Li, K)Cl eutectic for dry reprocessing of hydrogen absorbing alloys

Haruaki Matsuura, Hiroo, Numata Reiko Fujita, Hiroshi Akatsuka

Abstracts of Euchem 2002 Molten Salts Conference   P50   2002

Number Density of Vibrationally Excited States of a Microwave Discharge Nitrogen Plasma

Meeting Abstracts of the Physical Society of Japan   56 ( 2 )   128   2001

CO/Arグロー放電プラズマによる炭素同位体分離の数値解析

森伸介, 赤塚洋, 鈴木正昭

日本原子力学会2001年春の年会予稿集   684   2001

Carbon and Oxygen Isotope Separations by Plasma Chemical Reactions

S. Mori, H. Akatsuka, M. Suzuki

2001 Intl. Workshop on Plasma Processing for Nuclear Applications   ( 1 )   161   2001

Carbon Isotope Separation by Plasma Chemical Reactions in CO Glow Discharge

S. Mori, H. Akatsuka, M. Suzuki

Proc. of 15th Intl. Symp. Plasma Chemistry (Orlean)   2   647   2001

水素吸蔵合金の乾式リサイクルプロセスの開発(1)LiCl-KCl浴中における希土類イオンの電気化学的特性

松浦治明, 沼田博雄, 藤田玲子, 赤塚洋

第33回溶融塩化学討論会講演要旨集   7 - 8   2001