1. School of Optical
and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
2. Beijing
National Laboratory for Condensed Matter Physics (BNLCP), Institute
of Physics, Chinese Academy of Sciences, Beijing 100190, China
3. Wuhan National Laboratory for Optoelectronics (WNLO), Wuhan 430074, China
4. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
5. School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
6. High Pressure Synergetic Consortium (HPSynC), Carnegie Institution of Washington, Argonne, Illinois 60439, United States