1. Beijing Center for Crystal R&D, Key Lab of Functional Crystals and Laser Technology of Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
2. University of the Chinese Academy of Sciences, Beijing 100049,
People’s Republic of China
3. School
of Materials Science and Technology, China University of Geosciences, Beijing 100083, People’s Republic
of China