1. Institute for Superconducting & Electronic Materials (ISEM), Australia Institute for Innovation Materials, Innovation Campus, University of Wollongong, Squires Way, North Wollongong NSW 2500, Australia
2. Chinese Academy of Sciences (CAS) Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P.R. China
3. Synergetic Innovation Center of Quantum Information and Quantum Physics & Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, P.R. China
4. National Synchotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, P.R. China