1. Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Department of Electrical and Computer Engineering, University of Texas at Dallas, Richardson, Texas 75080, United States
3. Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, Pennsylvania 16802, United States
4. Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
5. Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802, United States