1. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, People's Republic of China
2. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, People's Republic of China
3. Guangzhou Institute of Geochemistry, Chinese Academic of Sciences, Guangzhou 510640, People's Republic of China
4. High Pressure Synergetic Consortium (HPSynC), Geophysical Laboratory, Carnegie Institution of Washington, Argonne, Illinois 60439, USA
5. Institute of Fluid Physics and National Key Laboratory of Shockwave and Detonation Physic, China Academy of Engineering Physics, Mianyang 621900, People's Republic of China
6. Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA