Schedule 2 [P68] Photocatalytic property of Ga2O3 composed of several phases to the overall H2O splitting 光触媒「学生ポスター発表賞審査対象」 〇Naohiro Furutani1, Akira Yamakata2, Yoshihisa Sakata1 (1. Yamaguchi Univ., 2. Toyota Technological Institute)