1. Xi’an Key Laboratory of Compound Semiconductor Materials and Devices and the School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, China
2. Xi’an Key Laboratory of Compound Semiconductor Materials and Devices, Shaanxi University of Science and Technology, Xi’an, China
3. School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
4. Key Laboratory of Interface Science and Engineering in Advanced Materials of Ministry of Education, Taiyuan University of Technology, Taiyuan, China