1School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China
2Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
3Key Laboratory of Transparent and Opto-functional Inorganic Materials, Shanghai Institute of Ceramics,Chinese Academy of Sciences, Shanghai 201800, China
4School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai 200092, China