1. Department of Physics
2. Kongunadu Arts and Science College
3. Coimbatore-641 029
4. India
5. Department of Materials Science and Engineering
6. Shiraz University of Technology
7. Shiraz
8. Iran
9. Nanomaterials and Sensors Research Laboratory
10. Babasaheb Bhimrao University
11. Lucknow-226 025
12. Government College of Technology
13. Coimbatore-641 013
14. Sri Ramakrishna Mission Vidyalaya College of Arts & Science
15. Coimbatore-641 020