1. Department of Physics and Institute of Functional Nanomaterials
2. University of Puerto Rico
3. San Juan-00936
4. USA
5. Department of Physics and Engineering Physics
6. Tulane University
7. New Orleans
8. Department of Physics
9. Indian Institute of Technology
10. Kharagpur-721302
11. India
12. Department of Physics & Astronomy
13. National Institute of Technology
14. Rourkela-769008
15. National Physical Laboratory (CSIR)
16. Delhi
17. Department of Chemistry and Department of Physics
18. University of St. Andrews
19. St. Andrews KY16 ST
20. UK