Affiliation: | a Toyota Technological Institute, Semiconductor Laboratory, 2-12-1 Hisakata, Tempaku, Nagoya 468-8511, Japan;b Japan Energy Corporation, 3-17-35, Niizo-Minami, Toda Saitama 335-8502, Japan;c Japan Atomic Energy Research Institute, 1233 Watanuki, Takasaki, Gunma 370-1292, Japan;d National Space Development Agency of Japan, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan |