1. Materials
Science and Engineering Department, University of Maryland College Park, College
Park, Maryland 20742-2115, United States
2. Energetic
Materials Center, Lawrence Livermore National Laboratory, 7000 East
Avenue, L-282, Livermore, California 94550, United States
3. Naval Research Laboratory, 4555 Overlook Aveue, Code 6030, Washington, D.C. 20375, United States