1. Department of Physics, Rice University, 6100 Main Street, Houston,
Texas 77005, United States
2. Department of Chemistry and The Richard E. Smalley Institute for Nanoscale Science
and Technology, Rice University, 6100 Main Street, Houston, Texas 77005, United States
3. Department of Chemical
and Biomolecular Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States
4. Air Force Research Laboratory, Materials and Manufacturing
Directorate, Thermal Sciences and Materials Branch, 2941 Hobson Way, Wright-Patterson AFB, Ohio 45433, United
States