1. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, China
2. Department of Geological Sciences, Stanford University, Stanford, CA 94305, USA
3. Center for Study of Matter under Extreme Conditions, Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33199, USA
4. High Pressure Collaborative Access Team (HPCAT), X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
5. Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60437, USA