1. International Center for Quantum and Molecular Structures, Materials Genome Institute, Physics Department, Shanghai University
2. Shanghai 200444
3. China
4. Shanghai Key Laboratory of High Temperature Superconductors and State Key Laboratory of Advanced Special Steel, Shanghai University
5. College of Physics and Optoelectronic Engineering, Shenzhen University
6. Shenzhen
7. Cavendish Laboratory, University of Cambridge
8. Cambridge CB3 0HE
9. UK