1. Department of Physics The Women University Multan Pakistan
2. Department of Physics King Khalid University Abha Saudi Arabia
3. Laboratoire de Physique de la Matière Condensée, Département de Physique, Faculté des Sciences de Tunis Université Tunis El Manar, Campus universitaire Tunis Tunisia
4. National Institute of Lasers and Optronics College Pakistan Institute of Engineering and Applied Sciences Nilore, Islamabad Pakistan
5. Nanotechnology Research Laboratory, Faculty of Engineering Sciences GIK Institute of Engineering Sciences and Technology Topi Pakistan
6. Department of Metallurgical Engineering NED University of Engineering and Technology Karachi City Pakistan