1. Hefei National Research Center for Physical Sciences at the Microscale and Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
2. School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang 236037, China
3. The Anhui High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230026, China