1. Key Lab of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, People’s Republic of China
4. School of Information & Electrical Engineering, Hebei University of Engineering, Handan 056038, People’s Republic of China