1. NMR
2. Inorganic and Physical Chemistry Laboratory
3. CSIR-Central Leather Research Institute
4. Adayar
5. India
6. Centre for Surface Science
7. Department of Chemistry
8. Jadavpur University
9. Kolkata 700032
10. Solid State Physics Division
11. Bhabha Atomic Research Centre
12. Mumbai-400 085
13. Laboratory for Neutron Scattering
14. Paul Scherrer Institute
15. CH-5232 PSI Villigen
16. Switzerland