1. Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota
58108-6050, United States
2. U.S. Army Research Laboratory, AMSRD-SEE-M,
2800 Powder Mill Road, Adelphi, Maryland 20783-1197, United States
3. Materials and Manufacturing Directorate,
Air Force Research Laboratory, Wright Patterson Air Force Base, Dayton, Ohio 45433, United States