1. Materials Genome Institute, Shanghai University, Shanghai 200444, China
2. Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
3. Department of Physics, Shanghai University, Shanghai 200444, China
4. Department of Physics, The Hong Kong University of Science and Technology, Hong Kong 999077, China