NiO/Ga 2 O 3 Heterojunction with Tunable Oxygen Vacancies for Efficient Self-Powered Solar-Blind UV Detection. - Liu, Luyu; Shen, Kangxin; Su, Huimin; Xu, Jintao; Lin, Jiajun; Li, Yaping; Zhang, Shuguang; Lan, Linfeng; Peng, Junbiao (Materials (1996-1944), 2026)