1. Surface Chemistry Branch, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
2. U.S. Army Combat Capabilities Development Command Chemical Biological Center, 8198 Blackhawk Road, Aberdeen Proving Ground, Maryland 21010, United States
3. NRL/NRC Postdoctoral Associate, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
4. Former Employee, Surface Chemistry Branch, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States