1. National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering College of Engineering and Applied Science & Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
2. Condensed Matter Science and Technology Institute and Department of Physics Harbin Institute of Technology Harbin China
3. National Laboratory of Solid State Microstructures and School of Physics & Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
4. Department of Physics National Synchrotron Radiation Laboratory & CAS Key Laboratory of Materials for Energy Conversion University of Science and Technology of China Hefei China
5. School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing China