研究キーワード (5件):
デバイスシミュレーション
, SiC MOS界面
, SiCパワーデバイス
, ワイドバンドギャップ半導体
, SiC
競争的資金等の研究課題 (2件):
2023 - 2026 SiC-MOS界面移動度の主劣化要因となる散乱体の物理的実体の解明
2019 - 2022 SiC MOS界面の反転層移動度の散乱機構の研究
論文 (113件):
Shun Matsuda, Toru Akiyama, Tetsuo Hatakeyama, Kenji Shiraishi, Takashi Nakayama. First-principles study for orientation dependence of band alignments at the 4H-SiC/SiO2 interface. Japanese Journal of Applied Physics. 2024. 63. 2. 02SP69-02SP69
Tetsuo Hatakeyama, Hirohisa Hirai, Mitsuru Sometani, Dai Okamoto, Mitsuo Okamoto, Shinsuke Harada. Dipole scattering at the interface: The origin of low mobility observed in SiC MOSFETs. Journal of Applied Physics. 2022. 131. 14. 145701-145701
Hiroki Sakata, Dai Okamoto, Mitsuru Sometani, Mitsuo Okamoto, Hirohisa Hirai, Shinsuke Harada, Tetsuo Hatakeyama, Hiroshi Yano, Noriyuki Iwamuro. Accurate determination of threshold voltage shift during negative gate bias stress in 4H-SiC MOSFETs by fast on-the-fly method. Japanese Journal of Applied Physics. 2021. 60. 6. 060901-060901
A. Yao, T. Hatakeyama. Iron loss and hysteresis properties under high-temperature inverter excitation. Journal of the Magnetics Society of Japan. 2019. 43. 3. 46-49