1. Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, 999078, P. R. China
2. Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
3. Department of Physics, Zhejiang University, Hangzhou, 310027, China
4. Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macao SAR, 999078, P. R. China