1. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
2. College of Science, Civil Aviation University of China, Tianjin 300300, China
3. State Key Laboratory Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130012, China
4. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
5. GeoScience Department, Stony Brook University, Stony Brook, New York 11794, United States