1. Engineering Directorate; Lawrence Livermore National Laboratory; 7000 East Ave Livermore CA 94550 USA
2. Department of Materials Science and Engineering; University of Pennsylvania; 3231 Walnut Street Philadelphia PA 19104 USA
3. Department of Chemical and Biomolecular Engineering; University of Pennsylvania; 220 South 33rd Street Philadelphia PA 19104 USA
4. Department of Physics and Astronomy; University of Pennsylvania; 209 South 33rd Street Philadelphia PA 19104 USA