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