1. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.
2. Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA.
3. High Pressure Collaborative Access Team, Geophysical Laboratory, Carnegie Institution of Washington, Argonne, IL 60439, USA.
4. Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China.
5. Center for Advanced Radiation Sources, The University of Chicago, Chicago, IL 60637, USA.
6. Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA.