1. The Eyring Materials Center, Arizona State University, Tempe, Arizona 85287-8301, United States
2. Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow 108840, Russia
3. Department of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia
4. European Synchrotron Radiation Facility, CS 40220, 38043 Grenoble Cedex 9, France
5. LPCA, Université du Littoral Côte d’Opale, 59140 Dunkerque, France
6. Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States