1. Department of Mechanical and Aerospace Engineering University of Colorado Colorado Springs Colorado Springs CO USA
2. Department of Chemistry and Chemistry Research Center United States Air Force Academy Air Force Academy CO USA
3. Aerospace Systems Directorate, Air Force Research Laboratory Edwards AFB Kern CA USA
4. Department of Nanoengineering Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University Greensboro NC USA