1. Centre for Clean Energy and Nano Convergence
2. Hindustan Institute of Technology and Science
3. Chennai 603103
4. India
5. Department of Physics, Konkuk University
6. Seoul 05029
7. Republic of Korea
8. Condensed Matter Theory Group
9. Department of Physics and Astronomy
10. S-75120 Uppsala
11. Sweden
12. Applied Materials Physics
13. School of Molecular Sciences
14. The University of Western Australia
15. Perth
16. Australia