1. Deptartment of Sustainable and Renewable Energy Engineering, University of Sharjah, Sharjah, P.O. Box 27272, United Arab Emirates
2. Center for Advanced Materials Research, Research Institute of Sciences and Engineering, University of Sharjah, Sharjah, P.O. Box 27272, United Arab Emirates
3. Dept. of Electrical and Computer Engineering, Florida International University, Miami FL33174, Florida, United States
4. Dept. of Electrical Engineering, University of Sharjah, P.O. Box, Sharjah 27272, United Arab Emirates
5. Nanoelectronics Integrated Systems Center, Nile University, Cairo 12588, Egypt
6. Department of Electrical and Software Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada