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, IL 60439, USA.
3. Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada.
4. HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, USA.
5. Center for Advanced Radiation Sources, University of Chicago, Chicago, IL 60637, USA.
6. Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.
7. Geological Sciences, Stanford University, Stanford, CA 94305, USA.