Cheng Fei1, Li Yue-Wen1, Zhao Hong1, †, Xiu Xiang-Qian1, 2, ‡, Jia Zhi-Tai2, Liu Duo2, Hua Xue-Mei1, Xie Zi-Li1, Tao Tao1, Chen Peng1, Liu Bin1, Zhang Rong1, §, Zheng You-Dou1
The SEM images of β-Ga2O3 film and the samples after nitridation at different temperatures for 0.5 h. The insets are SEM images in the higher magnification.