1. Physics
Department, Whitworth University, Spokane, Washington 99251, United States
2. Geophysical
Laboratory, Carnegie Institution of Washington, Washington, D.C. 20015, United States
3. HPCAT,
Geophysical Laboratory, Carnegie Institution of Washington, Argonne, Illinois 60439, United States
4. Institute
of Materials Science and Department of Civil and Environmental Engineering, The George Washington University, Washington, D.C. 20052, United States