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Dr. Nobuhiko MITOMA

Research Scientist, RIKEN CEMS

Specially Appointed Assistant Professor, The University of Tokyo

Phone: +81-48-467-8061

Address: 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.

About Me

Nobuhiko Mitoma received his B.Eng. in 2008 and M.Eng. in 2010 from Osaka University under the supervision of Prof. Masashi
Shiraishi and his Ph.D. in 2013 from Tohoku University under the supervision of Prof. Katsumi Tanigaki.  He experienced postdoctoral studies at Osaka Prefecture University, National Institute for Materials Science, and Nagoya University.  In 2020, he moved to RIKEN and became a Research Scientist.  In 2022, he was specially appointed as Assistant Professor of the University of Tokyo.  His research interests include (1) 2D materials, (2) functional polymeric materials, and (3) novel π-conjugating systems.


June 2022 – Present

Apr. 2020 – Present

Jan. 2019 – Mar. 2020

Apr. 2015 – Dec. 2018

June 2013 – Mar. 2015

Specially Appointed Assitant Professor, School of Engineering, The University of Tokyo

​Research Scientist, RIKEN Center for Emergent Matter Science

Specially Appointed Assistant Professor, Graduate School of Science, Nagoya University

Postdoctoral Researcher, JST-ERATO Itami Molecular Nanocarbon Project

Postdoctoral Researcher, National Institute for Materials Science

Apr. 2013 – May 2013

Postdoctoral Researcher, Osaka Prefecture University

Selected Publications

Nobuhiko Mitoma and Takuzo Aida. Graphitic carbon nitride thin films: synthesis, properties, actuators and electronic
devices. Carbon nitrides. Structure, properties and applications in science and technology. 2022, in press.

Ryo Nouchi, Morihiro Matsumoto, Nobuhiko Mitoma. Gate-Controlled Photo-Oxidation of Graphene for Electronic Structure Modification. J. Mater. Chem. C 2019, 7, 1904–1912.


Nobuhiko Mitoma, Bo Da, Hideki Yoshikawa, Toshihide Nabatame, Makoto Takahashi, Kazuhiro Ito, Takio Kizu, Akihiko Fujiwara,  Kazuhito Tsukagoshi. Phase transitions from semiconductive amorphous to conductive polycrystalline in
indium silicon oxide thin films. Appl. Phys. Lett. 2016, 109, 221903.


Nobuhiko Mitoma, Shinya Aikawa, Xu Gao, Takio Kizu, Maki Shimizu, Meng-Fang Lin, Toshihide Nabatame, Kazuhito Tsukagoshi. Stable amorphous In2O3-based thin-film transistors by incorporating SiO2 to suppress
oxygen vacancies. Appl. Phys. Lett. 2014, 104, 102103.


Nobuhiko Mitoma, Ryo Nouchi, Katsumi Tanigaki. Photo-oxidation of graphene in the presence of water. J. Phys. Chem. C 2013, 117, 1453–1456.

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