1. National Research Council Postdoctoral Fellow, residing at U.S. Naval Research Laboratory 1 , Washington, District of Columbia 20375, USA
2. School of Mechanical, Aerospace, and Manufacturing Engineering, University of Connecticut 2 , Storrs, Connecticut 06269, USA
3. Novel Crystal Technology, Inc 3 ., 2-3-1, Hirosedai, Sayama, Saitama 350-1328, Japan
4. National Institute for Standards and Technology 4 , 100 Bureau Dr, Gaithersburg, Maryland 20899, USA
5. Center for Power Electronics Systems, Virginia Tech 5 , Blacksburg, Virginia 24060, USA
6. U.S. Naval Research Laboratory 6 , 4555 Overlook Ave SW, Washington, District of Columbia 20375, USA