1. High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
2. University of Science and Technology of China, Hefei 230036, Anhui, P. R. China
3. Hefei Cancer Hospital, Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
4. Key Laboratory of Materials Physics, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
5. School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, Anhui, P. R. China
6. Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, Anhui, P. R. China