J-GLOBAL         Last updated: Dec 22, 2018 at 20:49
National Institute of Advanced Industrial Science and Technology
Institue for Advanced Study
Job title
Associate Professor
Doctor of Engineering(Waseda University)

Research Areas


Academic & Professional Experience

Research Associate, Faculty of Science and Engineering, Waseda University
Assistant Professor, Faculty of Science and Engineering, Waseda University


Nano-science and Nano-engineering, Graduate School, Division of Science and Engineering, Waseda University
Nano-science and Nano-engineering, Graduate School, Division of Science and Engineering, Waseda University
Electrical Electronics and Computer Engineering, Faculty of Science and Engineering, Waseda University

Awards & Honors

The 17th International Conference on Molecular Beam Epitaxy Young Investigator MBE Award
The Incentive Presentation Award of the Japan Society of Applied Physics (2011)

Published Papers

Sungwoo Choi, Yukiko Kamikawa, Jiro Nishinaga, Akimasa Yamada, Hajime Shibata, Shigeru Niki
Thin Solid Films   665 91   Nov 2018   [Refereed]
Shogo Ishizuka, Hajime Shibata, Jiro Nishinaga, Yukiko Kamikawa, Paul J. Fons
Applied Physics Letters   113(11) 119902   Sep 2018   [Refereed]
Jiro Nishinaga, Takehiko Nagai, Takeyoshi Sugaya, Hajime Shibata, Shigeru Niki
Applied Physics Express   11(8) 082302   Aug 2018   [Refereed]
Ishizuka S, Taguchi N, Nishinaga J, Karnikawa Y, Tanaka S, Shibata H.
Journal of Physical Chemistry C   122(7) 3809-3817   2018   [Refereed]
Narazaki A, Nishinaga J, Takada H, Sato T, Niino H, Torizuka K, Kamikawa-Shimizu Y, Ishizuka S, Shibata H, Niki S.
Applied Physics Express   11(3) 4   2018   [Refereed]


Harvey Guthrey, John Moseley, Jiro Nishinaga, Hajime Shibata, Hideki Takahashi, Mowafak Al-Jassim
IEEE Journal of Photovoltaics   8 1833-1840   Nov 2018
© 2018 IEEE. In this contribution, we probe spatial variations in charge-carrier recombination in CuInxGa1-x Se2 (CIGS) absorbers grown on soda-lime glass (SLG) and alkali-free sapphire substrates with NaF and KF postdeposition treatments (PDTs). ...
Takashi Koida, Jiro Nishinaga, Yuko Ueno, Hirohumi Higuchi, Hideki Takahashi, Masayuki Iioka, Hajime Shibata, Shigeru Niki
Progress in Photovoltaics: Research and Applications   26 789-799   Oct 2018
Copyright © 2018 John Wiley & Sons, Ltd. We studied the impacts of front contact layers composed of transparent conducting oxide (TCO) and transparent oxide semiconductor (TOS) layers on the performance of Cu(In,Ga)Se2(CIGS) solar cells with gla...
Jiro Nishinaga, Jiro Nishinaga, Yukiko Kamikawa, Yukiko Kamikawa, Shogo Ishizuka, Shogo Ishizuka, Harvey L. Guthrey, Hajime Shibata, Hajime Shibata, Shigeru Niki
Japanese Journal of Applied Physics   57    Sep 2018
© 2018 The Japan Society of Applied Physics. The significance of metastable acceptors in Cu(In,Ga)Se2 (CIGS) solar cells in accelerated lifetime testing has been investigated. Dry heating under light irradiation improves the conversion efficiency ...
Shinho Kim, Taketo Aihara, Jiro Nishinaga, Hitoshi Tampo, Hajime Shibata, Koji Matsubara, Shigeru Niki
Japanese Journal of Applied Physics   57    Aug 2018
© 2018 The Japan Society of Applied Physics. Cu(InGa)Se2 (CIGSe) that was grown under Cu-deficient conditions exhibited potential fluctuations in its band structure. When the donor and acceptor density is high and compensated for in CIGSe, the loc...
Shirou Kawakita, Mitsuru Imaizumi, Kikuo Makita, Jiro Nishinaga, Takeyoshi Sugaya, Hajime Shibata, Shin Ichiro Sato, Takeshi Ohshima
2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017   1-4   May 2018
© 2017 IEEE. Mechanical stacking solar technology has great potential to achieve high-efficiency multijunction solar cells. A new mechanical stacking solar cell method using conductive nanoparticle alignments enables InGaP/GaAs//CIGS solar cell fa...

Books etc

Molecular Beam Epitaxy: From Quantum Wells to Quantum Dots, From Research to Mass Production, Second edition
NISHINAGA Jiro (Part:Joint Work, Growth and characteristics of fullerene/GaAs interface and C60-doped GaAs and AlGaAs layers)
Elsevier   Mar 2017   
Molecular Beam Epitaxy: From Quantum Wells to Quantum Dots, From Research to Mass Production
Elsevier   2012   ISBN:978-0123878397
Crystal Growth: Theory, Mechanism, and Morphology, Growth and characterization of fullerene/GaAs interfaces and C60 doped GaAs layers
Nova Science Publishers   2012   ISBN:978-1-61324-529-3
Progress in Fullerene Research, Epitaxial growth of undoped and multivalent impurity-doped C60 films by molecular beam epitaxy
Nova Science Publishers   2007   ISBN:1-60021-841-5

Research Grants & Projects

New devices using fullerenes / III-V compound semiconductor heterostructures
JST PRESTO New devices using fullerene / III-V compound semiconductor heterostructures
Project Year: 2009 - 2012