1. Department of Physics
2. Presidency College
3. Chennai 600 005
4. India
5. Crystal Growth and Crystallography Division
6. School of Advanced Sciences
7. VIT University
8. Vellore 632 014
9. PG Department of Physics
10. L. N. Government College
11. Ponneri 601 204
12. Nano Optoelectronics Lab
13. Department of Applied Physics
14. Tunghai University
15. Taichung
16. Taiwan
17. Department of Chemistry
18. Saveetha Engineering College
19. Chennai 602 105
20. Centre for Nanoscience and Technology
21. Anna University
22. Chennai 600 025