小島信晃 (Nobuaki Kojima) - マイポータル

基本情報

所属: 豊田工業大学大学院工学研究科半導体研究室講師

学位: 博士(工学)(東京工業大学)

J-GLOBAL ID: 200901080019716351
researchmap会員ID: 1000212776

研究キーワード

研究分野

学歴

受賞

1996年

電気学会研究会優秀論文発表賞

論文

Structural Characterization of GaAs Layer Grown on 2D-GaSe/Si(111) Substrate for Rapid Epitaxial Lift off

Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 1941-1942 2021年6月20日
Overview and Loss Analysis of High-Efficincy III-V Compound Single-Junction Solar Cells

Masafumi Yamaguchi, Kenji Araki, Nobuaki Kojima, Yoshio Ohshita

Conference Record of the IEEE Photovoltaic Specialists Conference 2020- 0149-0151 2020年6月14日
Effect of substrate orientation on strain relaxation mechanisms of InGaAs layer grown on vicinal GaAs substrates measured by in situ X-ray diffraction

Hidetoshi Suzuki, Takuo Sasaki, Masamitu Takahasi, Yoshio Ohshita, Nobuaki Kojima, Itaru Kamiya, Atsuhiko Fukuyama, Tetsuo Ikari, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 56(8) 2017年8月査読有り
N-H related defect playing the role of acceptor in GaAsN grown by chemical beam epitaxy

Omar Elleuch, Li Wang, Kan-Hua Lee, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JOURNAL OF CRYSTAL GROWTH 468 581-584 2017年6月査読有り
Assessing material qualities and efficiency limits of III-V on silicon solar cells using external radiative efficiency

Kan-Hua Lee, Kenji Araki, Li Wang, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

PROGRESS IN PHOTOVOLTAICS 24(10) 1310-1318 2016年10月査読有り
Recent results for concentrator photovoltaics in Japan

Masafumi Yamaguchi, Tatsuya Takamoto, Kenji Araki, Nobuaki Kojima

JAPANESE JOURNAL OF APPLIED PHYSICS 55(4) 2016年4月査読有り
Inhomogeneous nitrogen incorporation effects on the transport properties of GaAsN grown by CBE

Li Wang, Omar Elleuch, Yasuhiro Shirahata, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JOURNAL OF CRYSTAL GROWTH 437 6-9 2016年3月査読有り
Fabrication and Performance Analysis of a Mechanical Stack InGaP/GaAs//Si Solar Cell

Kan-Hua Lee, Kyotaro Nakamura, Takefumi Kamioka, Nobuaki Kojima, Hyunju Lee, Li Wang, Kenji Araki, Yoshio Ohshita, Atsushi Ogura, Masafumi Yamaguchi

2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 1957-1959 2016年査読有り
Assessing Material Qualities and Efficiency Limits of III-V on Silicon Solar Cells Using External Radiative Efficiency

Kan-Hua Lee, Kenji Araki, Li Wang, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 1906-1908 2016年査読有り
Double acceptor in p-type GaAsN grown by chemical beam epitaxy

Omar Elleuch, Li Wang, Kan-Hua Lee, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JOURNAL OF CRYSTAL GROWTH 432 45-48 2015年12月査読有り
Effects of source gas molecules on N-H- and N-D-related defect formations in GaAsN grown by chemical beam epitaxy

Kazuma Ikeda, Yoshio Ohshita, Tomohiro Tanaka, Takahiko Honda, Makoto Inagaki, Koshiro Demizu, Nobuaki Kojima, Hidetoshi Suzuki, Hideaki Machida, Hiroshi Sudoh …

JAPANESE JOURNAL OF APPLIED PHYSICS 54(4) 2015年4月査読有り
Structure of the Acceptor Defects in P-type GaAsN Grown by Chemical Beam Epitaxy

Omar Elleuch, Li Wang, Kan-Hua Lee, Koshiro Demizu, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC) 2015年査読有り
Prospect of InGaAsN Solar Cells Grown by Chemical Beam Epitaxy for High-Efficiency Multi-Junction Solar Cells

Kan-Hua Lee, Omar Elleuch, Kazuma Ikeda, Li Wang, Koshiro Demizu, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC) 2015年査読有り
Hole traps associated with high-concentration residual carriers in p-type GaAsN grown by chemical beam epitaxy

Omar Elleuch, Li Wang, Kan-Hua Lee, Koshiro Demizu, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JOURNAL OF APPLIED PHYSICS 117(4) 2015年1月査読有り
Suppression of Twin Formation in Layered In2Se3 Grown on GaAs(111)

Nobuaki Kojima, Hiroya Nakamura, Yoshio Ohshita, Masafumi Yamaguchi

2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC) 2015年査読有り
Analysis of the main acceptor defect in p-type GaAsN grown by chemical beam epitaxy

Omar Elleuch, Boussairi Bouzazi, Hiroyuki Kowaki, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 53(9) 2014年9月査読有り
Correlations between N-H local vibrational modes in GaAsN grown by chemical beam epitaxy

Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 53(7) 2014年7月査読有り
Wagging and stretching modes of N-H complexes in GaAsN grown by chemical beam epitaxy

Koshiro Demizu, Kazuma Ikeda, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 53(5) 2014年5月査読有り
Effect of surface morphology on the density of energy states in GaAsN grown by chemical beam epitaxy

Boussairi Bouzazi, Kojima Nobuaki, Yoshio Ohshita, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 53(4) 2014年4月査読有り
Nickel distribution and recombination activity in as-grown and annealed multicrystalline silicon

Takuto Kojima, Tomihisa Tachibana, Nobuaki Kojima, Yoshio Ohshita, Koji Arafune, Atsushi Ogura, Masafumi Yamaguchi

JAPANESE JOURNAL OF APPLIED PHYSICS 53(4) 2014年4月査読有り

もっとみる

MISC

Effects of Arsenic Source Molecule on N-H related Defects Formation in GaAsN Grown by Chemical Beam Epitaxy

Yoshio Ohshita, Koshiro Demizu, Omar Elleuch, Kazuma Ikede, Nobuaki Kojima, Hideaki Machida, Hiroshi Sudoh, Masafumi Yamaguchi

2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC) 2015年査読有り
Defect management of high efficiency multijunction, space and concentrator solar cells

Masafumi Yamaguchi, Nobuaki Kojima, Kazuma Ikeda, Yoshio Ohshita

Materials Research Society Symposium Proceedings 1670 2014年
III-V lattice-mismatched and III-V-N Materials for super high efficiency multi-junction solar cells

Kazuma Ikeda, Masafumi Yamaguchi, Boussairi Bouzazi, Nobuaki Kojima, Yoshio Ohshita

Materials Research Society Symposium Proceedings 1638 2014年
Arsenic Source Flow Rate Dependence of Minority Carrier Lifetime in GaAsN grown by Chemical Beam Epitaxy

Boussairi Bouzazi, Maki Aisaka, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

2013 IEEE 39TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 2078-2081 2013年査読有り
Lowering symmetry around N-cluster by breaking Ga-N bond in GaAsN

Kazuma Ikeda, Makoto Inagaki, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 37th Vol.1 000489-000492 2011年
Nitrogen-related defects and their effect on the electrical properties of GaAsN grown by chemical beam epitaxy

Boussairi Bouzazi, Hidetoshi Suzuki, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 37th Vol.1 000454-000458 2011年
Identification of N-H related defects in GaAsN grown by chemical beam epitaxy

T. Tanaka, H. Suzuki, N. Kojima, Y. Ohshita, M. Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 2120-2124 2010年12月20日
Origin of near-band-edge photoluminescence of GaAsN

M. Inagaki, H. Suzuki, N. Kojima, Y. Ohshita, M. Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 2062-2065 2010年12月20日
Study of GaAsN thin film structures by X-ray reciprocal space mapping for multi-junction solar cell application

H. Suzuki, N. Kojima, Y. Ohshita, M. Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 2117-2119 2010年12月20日
Local vibration modes of N-H related complexes in GaAsN grown by chemical beam epiaxy

H. Suzuki, T. Tanaka, Y. Ohshita, N. Kojima, M. Yamaguchi

ECS Transactions 25 123-127 2009年12月
Novel materials for high-efficiency solar cells

Nobuaki Kojima, Masato Natori, Hidetoshi Suzuki, Makoto Inagaki, Yoshio Ohshita, Masafumi Yamaguchi

Proceedings of SPIE - The International Society for Optical Engineering 7518 2009年
Fabrication of GaAsN homo-junction solar cells by chemical beam epitaxy

H. Suzuki, K. Nishimura, T. Hashiguchi, K. Saito, B. Balasubramanian, S. Yamamoto, M. Inagaki, Y. Ohshita, N. Kojima, M. Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 2008年12月1日
Electrical properties of GaAsN film grown by chemical beam epitaxy

K. Nishimura, H. Suzuki, K. Saito, Y. Ohshita, N. Kojima, M. Yamaguchi

PHYSICA B-CONDENSED MATTER 401 343-346 2007年12月
Optical properties of C-60/a-C superlattice structures for solar cell applications

Nobuaki Kojima, Yusuke Sugiura, Masafumi Yamaguchi

SOLAR ENERGY MATERIALS AND SOLAR CELLS 90(18-19) 3394-3398 2006年11月
Nitrogen incorporation in GaAsN grown by chemical beam epitaxy

Y. Ohshita, K. Nishimura, H. S. Lee, N. Kojima, I. Gono, H. Suzuki, M. Yamaguchi

Proceedings - Electrochemical Society PV 2005-04 272-277 2005年12月1日
Nitrogen incorporation in GaInNAs grown by chemical beam epitaxy for multi-junction tandem solar cell

K. Nishimura, H. S. Lee, H. Suzuki, I. Gono, N. Kojima, Y. Ohshita, M. Yamaguchi

Conference Record of the IEEE Photovoltaic Specialists Conference 722-724 2005年11月30日
Chemical beam epitaxy of InGaAsN films for multi-junction tandem solar cells（共著）

J. Crystal Growth 275(1-2) E1127-E1130 2005年2月
Chemical beam epitaxy of InGaAsN films for multi-junction tandem solar cells

Hae-Seok Lee, K. Nishimura, Y. Yagi, M. Tachibana, N. J. Ekins-Daukes, Y. Ohshita, N. Kojima, M. Yamaguchi

JOURNAL OF CRYSTAL GROWTH 275(1-2) E1127-E1130 2005年2月
C-60/a-C superlattice structures for solar cell applications

N Kojima, T Terayama, H Suzuki, T Imaizumi, M Yamaguchi

Conference Record of the Thirty-First IEEE Photovoltaic Specialists Conference - 2005 118-120 118-120 2005年
Conductivity Behavior Of C60/a-C Superlattice Structures for Solar Cell Applications

Proc. 19th European Photovoltaic Solar Energy Conference 62-64 2004年