1. Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
2. Shock and Detonation Physics, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
3. Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah 84112-0111, USA
4. High Pressure Collaborative Access Team, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
5. Physics Division—Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California 94550, USA