1. NG Next, Northrop Grumman Corporation, 1 Space Park Blvd, Redondo Beach, California 90278, United States
2. UCLA Department of Materials Science & Engineering, 420 Westwood Plaza, Los Angeles, California 90095, United States
3. Center for Functional Nanomaterials, Brookhaven National Laboratory, 735 Brookhaven Avenue, Upton, New York 11973, United States