1. Center for High Pressure Science and Technology Advanced Research, Beijing 100094, China
2. High Pressure Collaborative Access Team, Geophysical Laboratory, Carnegie Institution of Washington, Argonne, Illinois 60439, USA
3. Center for the Study of Matter at Extreme Conditions and Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33199, USA
4. Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, USA
5. HPCAT, X-Ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
6. MAX IV Laboratory, Lund University, 22100 Lund, Sweden
7. Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala S-75120, Sweden
8. Center for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, USA
9. Department of Engineering Sciences and Mathematics, Luleå University of Technology, 97187 Luleå, Sweden
10. Department of Geological Sciences, Stanford University, Stanford, California 94305, USA
11. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA