1. High Pressure Science and Engineering Center, University of Nevada, Las Vegas, Nevada 89154, United States
2. Department of Physics and Astronomy, University of Nevada, Las Vegas, Nevada 89154, United States
3. Lawrence Livermore National Laboratory, Livermore, California 94550, United States
4. Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
5. HPCAT, Carnegie Institution of Washington, Argonne, Illinois 60439, United States