1. Center of Materials Science and Optoelectronics Engineering College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing China
2. Sino‐Danish College University of Chinese Academy of Sciences Beijing China
3. Department of Nuclear Physics China Institute of Atomic Energy Beijing China
4. Helmholtz‐Center Berlin for Materials and Energy Berlin Germany
5. Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing China