1. Department of Electrical and Computer Engineering, University of Kentucky, Lexington, Kentucky 40506, United States
2. Research Experience for Undergraduates (REU) program, Vanderbilt Institute for Nanoscale Science and Engineering (VINSE), Nashville, Tennessee 37212, United States
3. Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, Tennessee 37212, United States
4. Department of Mechanical Engineering, Vanderbilt University, Nashville, Tennessee 37212, United States
5. Department of Physics and Astronomy, The University of Iowa, Iowa City, Iowa 52242, United States
6. Department of Electrical Engineering, Vanderbilt University, Nashville, Tennessee 37212, United States
7. The Pennsylvania State University, State College, Pennsylvania 16801, United States
8. Third Floor Materials, Raleigh, North Carolina 27695, United States