1. Nanotechnology Research Laboratory, Faculty of Engineering Sciences GIK Institute of Engineering Sciences and Technology Topi Pakistan
2. Department of Physics Abbottabad University of Science and Technology Havelian Pakistan
3. Physics Department, College of Science Jouf University Sakaka Saudi Arabia
4. Centre of Excellence in Solid State Physics University of the Punjab Lahore Pakistan
5. Chemistry Department, College of Science Jouf University Sakaka Saudi Arabia