1. Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio 45433, United States
2. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
3. UES, Inc., Dayton, Ohio 45432, United States
4. Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, Missouri 65211, United States
5. Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37212, United States
6. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
7. Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States