1. Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, China MACAU
2. State Key Discipline Laboratory of Wide-Bandgap Semiconductor Technologies, School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China CHINA
3. Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, China. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guan CHINA
4. Hubei Key Laboratory of Ferro & piezoelectric Materials and Devices, Faculty of Physics and Electronic Science, Hubei University, Wuhan 430062, People's Republic of China CHINA
5. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China CHINA
6. University of MacauInstitute of Applied Physics and Materials Engineering E12-1042Avenida da Universidade 000000 Taipa MACAU