1. Department of Physics; Hakim Sabzevari University; Sabzevar Iran
2. Department of Physics; Khayyam Institute of Higher Education; Mashhad Iran
3. Department of Physics; Payame Noor University of Mashhad; Mashhad Iran
4. Center for Computational Materials Science; University of Malakand; Chakdara Pakistan
5. Vice-Chancellor; Abbottabad University of Science & Technology; Havelian Pakistan