1. The State Key Laboratory of Refractories and Metallurgy, Institute of Advanced Materials and Nanotechnology, Wuhan University of Science and Technology 1 , Wuhan 430081, China
2. Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology 2 , Wuhan 430074, China
3. Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong 3 , Tat Chee Avenue, Hong Kong, China
4. Research Institute of Huazhong University of Science and Technology in Shenzhen 4 , Shenzhen 518063, China