1. Electrical Insulation Research Center, Institute of Materials Science University of Connecticut Storrs CT 06269 USA
2. Department of Electrical and Computer Engineering University of Connecticut Storrs CT 06269 USA
3. Polymer Program, Institute of Materials Science University of Connecticut Storrs CT 06269 USA
4. Department of Chemical and Biomolecular Engineering University of Connecticut Storrs CT 06269 USA
5. Department of Materials Science and Engineering University of Connecticut Storrs CT 06269 USA
6. U.S. Army Research Laboratory Adelphi MD 20783 USA