1. The Pennsylvania State University, Department of Materials Science and Engineering, 221 Steidle Building, University Park, Pennsylvania 16802, United StatesbPenn State Altoona, Department of Physics, 3000 Ivyside Park, Altoona, Pennsylvania 16601, United
2. Penn State Altoona, Department of Physics, 3000 Ivyside Park, Altoona, Pennsylvania 16601, United States
3. University of Connecticut, Department of Chemical and Biomolecular Engineering, 191 Auditorium Road, Storrs, Connecticut 06269, United States