Institution: | 1. Department of Electrical Engineering, King Saud University, Riyadh 11421, Saudi Arabia;2. Department of Physics, University of Agriculture, Faisalabad, Pakistan;3. Department of Physics, GC University, Faisalabad, Pakistan;4. Department of Electronics, Quaid-i-Azam University, Islamabad, Pakistan;5. Department of Physics, University of Sargodha, Sargodha, Pakistan |