1. Materials Physics and Applications Division: Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
2. Materials Science & Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
3. Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
4. Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742, USA
5. Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
6. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99354, USA
7. Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
8. Department of Physics, The University of Texas at Dallas, Richardson, TX 75080, USA
9. Department of Physics and Engineering Physics, Fordham University, Bronx, NY 10458, USA
10. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA