1. Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida 32611, USA
2. Department of Materials Science and Engineering at the University of Florida, Gainesville, Florida 32611, USA
3. Analytical Instrumentation Center, College of Engineering at North Carolina State University, Raleigh, North Carolina 27696, USA
4. Department of Materials Science and Engineering at North Carolina State University, Raleigh, North Carolina 27696, USA
5. Major Analytical Instrumentation Center at the University of Florida, Gainesville, Florida 32611, USA
6. Department of Mechanical and Aerospace Engineering at the University of Florida, Gainesville, Florida 32611, USA