1. Key Laboratory of Advanced Technology of Materials (Ministry of Education)
2. Superconductivity and New Energy R&D Center
3. Southwest Jiaotong University
4. Chengdu
5. China
6. Department of Physics
7. South University of Science and Technology of China
8. Shenzhen 518055
9. Beijing National Laboratory for Molecular Sciences
10. State Key Laboratory of Rare Earth Materials Chemistry and Application
11. College of Chemistry and Molecular Engineering
12. Peking University
13. 100871 Beijing