1. Hefei National Laboratory for Physical Science at Microscale; Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology; University of Science and Technology of China; Hefei Anhui 230026 P. R. China
2. School of Chemistry and Materials Engineering; Fuyang Normal University; Fuyang Anhui 236041 P. R. China
3. The Anhui Key Laboratory of Condensed Mater Physics at Extreme Conditions; High Magnetic Field Laboratory; Hefei Institutes of Physical Science; Chinese Academy of Sciences; Hefei Anhui 230031 P. R. China