1. Department of Electrical and Systems Engineering University of Pennsylvania Philadelphia PA 19104 USA
2. UES Inc. Dayton OH 45432 USA
3. Air Force Research Laboratory Sensors Directorate Wright‐Patterson Air Force Base Fairborn OH 45433 USA
4. Department of Materials Science and Engineering University of Pennsylvania Philadelphia PA 19104 USA
5. Department of Chemical and Materials Engineering University of Dayton Dayton OH 45469 USA
6. Department of Materials Science and Engineering The Pennsylvania State University University Park PA 16802 USA
7. Air Force Research Laboratory Materials and Manufacturing Directorate Wright‐Patterson Air Force Base Fairborn OH 45433 USA