1. Department of Nanochemistry & Nanoengineering, University of Dayton Research Institute, Dayton, Ohio 45469, United States
2. Energetic Materials Branch, Air Force Research Laboratory, Eglin Air Force Base, Florida 32542, United States
3. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
4. Department of Chemistry, The University of Utah, Salt Lake City, Utah 84112, United States