1. Department 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. Department of Electrical and Computer Engineering, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates
4. Nanoelectronics Integrated Systems Center, Nile University, Cairo 12588, Egypt
5. Department of Electrical and Computer Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
6. Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, USA