Research field (2)：
Mathematical physics and basic theory
, Semiconductors, optical and atomic physics
Research keywords (3)：
物理教育
, Semiconductor and Dielectrics)
, Solid-State Physics (Optical Properties
Research theme for competitive and other funds (2)：
Irradiation damages of InGaAs Photodiodes
InGaAsフオトダイオードの放射線損傷
Papers (8)：
Koga, Shigaki, Ohyama Hidenori, Kayamoto, Shibuya, Yamamoto. Optical property and crystallinities of Si doped B-Ga2O3 thin films. Research Reports of National Institute of Technology (KOSEN), Kumamoto College. 2009. 1. 99-102
K. Kobayashi, H. Ohyama, T. Hakata, T. Kudou, K. Shigaki, H. Takizawa, S. Kohiki, Y. Uwatoko. Impact of lattice defects on device performance of AlGaAs/GaAs p-HEMTs. Solid State Phenomena. 2001. 78-79. 319-324
H. Ohyama, T. Hirao, E. Simoen, C. Claeys, T. Kudou, S. Onoda. Radiation damage of InGaAsP laser diodes by hightemperature γ-ray and electron irradiation. European Solid-State Device Research Conference. 2001. 351-354
H. Ohyama, E. Simoen, C. Claeys, Y. Takami, H. Sunaga, M. Yoneoka, M. Nakabayashi, K. Kobayashi, T. Kudou. Impact of neutron irradiation on optical performance of InGaAsP laser diodes. Thin Solid Films. 2000. 364. 1. 259-263
