1. Centre for Semiconductor Components
2. State University of Campinas (UNICAMP)
3. 13083-870 Campinas
4. Brazil
5. Department of Physics
6. Indian Institute of Technology (Banaras Hindu University)
7. Varanasi 221005
8. India
9. Nanotechnology Application Centre
10. University of Allahabad
11. Allahabad 211002
12. Centre for Materials Architecturing
13. Korea Institute of Science and Technology
14. Seoul 136-791
15. Republic of Korea