1. Department of Physics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan-, Pakistan
2. Department of Physics, Bahauddin Zakariya, University Multan. Pakistan
3. Department of Physics, College of Khurma University College, Taif University, Taif, Saudi Arabia
4. Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Egypt