1. The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Technology, South China University of Technology, Guangzhou 510640, PR China
2. Technical Institute of Physics and Chemistry, University of Chinese Academy of Sciences, Beijing 100190, China
3. Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
4. Siberian Federal University, Krasnoyarsk 660041, Russia
5. Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russia
6. Center of Materials Science and Optoelectronics Engineering, University of the Chinese Academy of Sciences, Beijing 100049, China