1. Air Force Research Laboratory, Sensors Directorate, Wright-Patterson AFB, Ohio 45433, USA
2. Semiconductor Research Center, Wright State University, Dayton, Ohio 45435, USA
3. Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson AFB, Ohio 45433, USA
4. KBRwyle, Beavercreek, Ohio 45431, USA
5. George Mason University, Fairfax, Virginia 22030, USA