1. Department of Electrical Engineering and Computer Science, Case Western Reserve University; Cleveland OH 44106 USA
2. Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base; OH 45433 USA
3. Universal Technology Corporation; Dayton OH 45432 USA
4. Department of Electrical and Computer Engineering, The Ohio State University; Columbus OH 43210 USA
5. Department of Materials Science and Engineering, The Ohio State University; Columbus OH 43210 USA