1. Department of Physics, Kohat University of Science and Technology (KUST), Kohat-26000, Khyber Pakhtunkhwa, Pakistan
2. Plasma Physics Group (PPG), Theocratical Physics Laboratory (TPL), Faculty of Physics, University of Bab-Ezzouar, USTHB, B.P. 32 El Alia, Algiers 16111, Algeria