1. International Center for New-Structured Materials (ICNSM), Laboratory of New-Structured Materials, State Key Laboratory of Silicon Materials, and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People’s Republic of China
2. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA
4. Department of Physics, and State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, People’s Republic of China
5. State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, People’s Republic of China