[1] Khwaja Fareed Univ Engn & Informat Technol, Inst Phys, Abu Dhabi Rd, Rahim Yar Khan 64200, Pakistan
[2] Princess Nourah bint Abdulrahman Univ, Coll Sci, Dept Phys, POB 84428, Riyadh 11671, Saudi Arabia
[3] Univ Punjab, Ctr Excellence Solid State Phys, Lahore 54950, Pakistan
[4] Govt Grad Coll, Dept Phys, Taunsa Sharif 32100, Pakistan