Research field (1)：
Thin-film surfaces and interfaces
Research theme for competitive and other funds (2)：
2021 - 2024 多元系エピタキシャル半導体薄膜を用いた多様な欠陥の評価と制御
2019 - 2022 Development of the method to measure quantitatively the diffusion length of minority carriers in multinary compound semiconductors.
Papers (50)：
Fumio Kawamura, Takehiko Nagai, Hitoshi Tampo. Cu2O single crystal growth using CuCl flux and bandgap evaluation. Materials Letters. 2024. 365
Kosuke Takenaka, Shota Nunomura, Yuji Hayashi, Hibiki Komatsu, Susumu Toko, Hitoshi Tampo, Yuichi Setsuhara. Stability and gap states of amorphous In-Ga-Zn-Ox thin film transistors: Impact of sputtering configuration and post-annealing on device performance. Thin Solid Films. 2024. 790. 140203-140203
Fumio Kawamura, Yelim Song, Hidenobu Murata, Hitoshi Tampo, Takehiko Nagai, Takashi Koida, Jaeeun Jeon, Masataka Imura, Naoomi Yamada. Fabrication of the bandgap-tuned alkaline earth-alloyed SnS solar cell. Journal of the Ceramic Society of Japan. 2023. 131. 10. 708-711
Kaede Makiuchi, Fumio Kawamura, Junjun Jia, Yelim Song, Shunichiro Yata, Hitoshi Tampo, Hidenobu Murata, Naoomi Yamada. Pressure-Induced Transition from Wurtzite and Epitaxial Stabilization for Thin Films of Rocksalt MgSnN2. Chemistry of Materials. 2023
Fumio Kawamura, Yelim Song, Hidenobu Murata, Hitoshi Tampo, Takehiko Nagai, Takashi Koida, Masataka Imura, Naoomi Yamada. Tunability of the bandgap of SnS by variation of the cell volume by alloying with A.E. elements. Scientific Reports. 2022. 12. 1. 7434
T. Ratz, G. Brammertz, R. Caballero, M. León, S. Canulescu, J. Schou, L. Gütay, D. Pareek, T. Taskesen, D. H. Kim, et al. Physical routes for the synthesis of kesterite. JPhys Energy. 2019. 1. 4
Shinho Kim, Hitoshi Tampo, Hajime Shibata, Koji Matsubara, Shigeru Niki. Effect of Combined Alkali (KF + CsF) Post-Deposition Treatment on Cu(InGa)Se2 Solar Cells. Physica Status Solidi - Rapid Research Letters. 2018. 12. 10
NIKI Shigeru, TAMPO Hitoshi, SHIBATA Hajime. Growth of high-quality ZnO-based epitaxial films and their device applications. 2008. 77. 5. 500-507
