1. High Pressure Science and Engineering Center, Department of Physics, University of Nevada, Las Vegas, Las Vegas, Nevada 89154-4002, United States
2. Center of Advanced Radiation Sources, Argonne National Laboratory, University of Chicago, Argonne, Illinois 60439, United States
3. Department of Geoscience, University of Nevada, Las Vegas, Las Vegas, Nevada 89154-4002, United States
4. Department of Geoscience, University of California Berkeley, Berkeley, CA, United States