1. School of Materials Sciences and Technology
2. China University of Geosciences
3. Beijing 100083
4. China
5. School of Materials Sciences and Engineering
6. Laboratory of Crystal Physics
7. Kirensky Institute of Physics
8. SB RAS
9. Krasnoyarsk 660036
10. Russia
11. Beijing National Laboratory for Molecular Sciences
12. State Key Laboratory of Rare Earth Materials Chemistry and Applications
13. College of Chemistry and Molecular Engineering
14. Peking University
15. Beijing 100871