1. Henan Key Laboratory of Diamond Optoelectronic Materials and Devices Key Laboratory of Material Physics Ministry of Education School of Physics and Microelectronics Zhengzhou University Zhengzhou 450052 China
2. Center for Functional Nanomaterials Brookhaven National Laboratory Upton NY 11973 USA
3. Condensed Matter Physics and Materials Science Brookhaven National Laboratory Upton NY 11973 USA
4. Department of Chemical and Biological Engineering University at Buffalo The State University of New York Buffalo NY 14260 USA
5. Department of Mechanical Engineering and Materials Science University of Pittsburgh Pittsburgh PA 15261 USA
6. Chemistry Division Brookhaven National Laboratory Upton NY 11973 USA
7. National Synchrotron Light Source II Brookhaven National Laboratory Upton NY 11973 USA
8. Department of Mechanical Engineering Purdue School of Engineering and Technology Indiana University‐Purdue University Indianapolis IN 46202 USA
9. Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China