1. Computational Materials and Nanoscience Group
2. Department of Physics and Electronics
3. St. Xavier's College
4. Ahmedabad 380009
5. India
6. Department of Physical Sciences
7. School of Basic and Applied Sciences
8. Central University of Punjab
9. Bathinda
10. Department of Applied Physics
11. S.V. National Institute of Technology
12. Surat 395007
13. Department of Physics
14. Gujarat University