1. Information Materials and Intelligent Sensing Laboratory of Anhui Province Institutes of Physical Science and Information Technology Anhui University Hefei 230601 P. R. China
2. Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology Institute of Solid State Physics Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei 230031 P. R. China
3. Key Laboratory of Atmospheric Optics Anhui Institute of Optics and Fine Mechanics Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei 230031 P. R. China
4. Advanced Laser Technology Laboratory of Anhui Province Hefei 230037 P. R. China
5. State Key Laboratory of Materials Processing and Die and Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology (HUST) Wuhan 430074 P. R. China
6. National Synchrotron Radiation Laboratory University of Science & Technology of China Hefei 230029 P. R. China