1. Department of Physics, The Ohio State University, Columbus, Ohio 43210
2. Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210
3. Nuclear Reactor Lab, The Ohio State University, Columbus, Ohio 43210
4. Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio 43210
5. Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433
6. Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210
7. Semiconductor Research Center, Wright State University, Dayton, Ohio 45435