1. Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
2. University of Science and Technology of China, Hefei 230026, China
3. Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, China
4. High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
5. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China