Liying Ma1,2,3, Xing Bian1,2,3, Wenchu Lin4,5. 1. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, 230031, Anhui, P. R. China. 2. University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China. 3. 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. 4. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, 230031, Anhui, P. R. China. wenchu@hmfl.ac.cn. 5. 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. wenchu@hmfl.ac.cn.