1. Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences 1 , Hefei, Anhui 230031, People's Republic of China
2. University of Science and Technology of China 2 , Hefei, Anhui 230026, China
3. Department of Physics, School of Physics and Optoelectronics Engineering, Anhui University 3 , Hefei 230601, People's Republic of China
4. Hefei National Laboratory 4 , Hefei 230028, China