1. Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, USA
2. US Naval Research Laboratory, Washington, DC 20375, USA
3. Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104, USA
4. Department of Materials Science Engineering, University of Florida, Gainesville, Florida 32611, USA
5. Tamura Corporation and Novel Crystal Technology, Inc., Sayama, Saitama 350-1328, Japan