1. School of Materials Science and Technology; Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes; National Laboratory of Mineral Materials; China University of Geosciences; Beijing 100083 China
2. School of Materials Sciences and Engineering; University of Science and Technology Beijing; Beijing 100083 China
3. Laboratory of Crystal Physics; Kirensky Institute of Physics; SB RAS; Krasnoyarsk 660036 Russia
4. Department of Physics; Far Eastern State Transport University; Khabarovsk 680021 Russia
5. Laboratory of Optical Materials and Structures; Institute of Semiconductor Physics; SB RAS; Novosibirsk 630090 Russia
6. Functional Electronics Laboratory; Tomsk State University; Tomsk 634050 Russia
7. Laboratory of Semiconductor and Dielectric Materials; Novosibirsk State University; Novosibirsk 630090 Russia