1. Department of Physics and Astronomy
2. NIT Rourkela
3. Rourkela
4. India
5. Materials Science Group
6. Inter-University Accelerator Centre
7. New Delhi 110 067
8. CSIR-National Physical Laboratory
9. Dr K. S. Krishnan Marg
10. New Delhi 110012
11. Division of Research and Development
12. Lovely Professional University
13. Phagwara
14. School of Chemical Engineering and Physical Sciences