Band alignment of In₂O₃/β-Ga₂O₃ interface determined by X-ray photoelectron spectroscopy

Shun Ming Sun, Wen Jun Liu, Yong Ping Wang, Ya Wei Huan, Qian Ma, Bao Zhu, Su Dong Wu, Wen Jie Yu, Ray-Hua Horng, Chang Tai Xia, Qing Qing Sun, Shi Jin Ding, David Wei Zhang