1. School of Physical Science and Technology
2. Superconductivity and New Energy R&D Center (SNERDC)
3. Southwest Jiaotong University
4. Chengdu 610031
5. China
6. College of Physical Science and Technology
7. Sichuan University
8. Chengdu 610064
9. School of Science
10. Nanjing University of Posts and Telecommunications (NUPT)
11. Nanjing 210023