1. Solid State and Structural Chemistry Unit
2. Indian Institute of Science
3. Bangalore-560012
4. India
5. Applied Materials Physics
6. Department of Materials and Engineering
7. Royal Institute of Technology (KTH)
8. S-100 44 Stockholm
9. Sweden
10. Condensed Matter Theory Group
11. Department of Physics and Astronomy
12. Uppsala University
13. S-75120 Uppsala