1. Department of Mathematics Computer Science and Engineering Technology Elizabeth City State University Elizabeth NC 27909 USA
2. Physical Sciences Division Physical & Computational Sciences Directorate Pacific Northwest National Laboratory Richland WA 99352 USA
3. Center for Advanced Materials Qatar University Doha 2713 Qatar
4. Department of Electrical and Computer Engineering Old Dominion University Norfolk VA 23529 USA
5. Department of Electrical and Computer Engineering Boise State University Boise ID 83725 USA
6. Department of Natural Sciences Elizabeth City State University Elizabeth NC 27909 USA
7. Center for Research Excellence in Science and Technology (CREST), Department of Mathematics and Physics North Carolina Central University Durham NC 27707 USA
8. Conn Center for Renewable Energy Research University of Louisville Louisville KY 40292 USA