1. University of Dayton Research Institute, 1700 South Patterson Blvd, Dayton, Ohio 45409-7531, United States
2. Center of Excellence for Thin-film Research and Surface Engineering, University of Dayton, 300 College Park, Dayton, Ohio 45469-0232, United States
3. UES, Inc., 4401 Dayton-Xenia Road, Dayton, Ohio 45432-1894, United States