12:00 〜 12:15 ▼ [19a-Z33-12] Characterization of γ-Al2O3/β-Ga2O3 interface with photo-assisted capacitance-voltage method 〇Nan Zhang1、Takumi Saito1、Kaisei Kamei1、Takuto Soma1、Akira Ohtomo1,2 (1.Tokyo Tech.、2.MCES)