1. Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
2. Institute for Quantum Matter and the Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, United States
3. Hopkins Extreme Materials Institute, Johns Hopkins University, Baltimore, Maryland 21218, United States
4. Los Alamos National Laboratory, Los Alamos, Mail Stop E574, Los Alamos, New Mexico 87545, United States
5. Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States