1. Center for Crystal Research and Development, Technical Institute
of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic
of China
2. Key
Laboratory of Functional Crystals and Laser Technology, Technical
Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s
Republic of China
3. Graduate University of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
4. School of Science, Beijing University of Post and Telecommunication, Beijing 100876, People’s Republic of China
5. Beijing National Laboratory for
Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s
Republic of China