1. Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory Chinese Academy of Sciences, Hefei 230031, China
2. State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai 200444, China
3. University of Science and Technology of China, Hefei 230026, China
4. Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China