1. Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, United States
2. Center for High Pressure Science and Technology Advanced Research, Pudong, Shanghai 201203, China
3. Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
4. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
5. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
6. Materials Science and Chemical Engineering Department, Stony Brook University, Stony Brook, New York 11790, United States