1. Department of Physics Rajiv Gandhi University of Knowledge Technologies Ongole Andhra Pradesh 523225 India
2. Department of Physics CMR Institute of Technology Bengaluru 560037 India
3. Department of Physics Ramachandra College of Engineering Eluru Andhra Pradesh 534007 India
4. King Abdullah Institute for Nanotechnology King Saud University Riyadh 11451 Kingdom of Saudi Arabia
5. Department of Chemistry College of Sciences King Saud University Riyadh 11451 Saudi Arabia
6. Department of Chemistry College of Sciences and Humanities Shaqra University Ad-Dawadmi 11911 Saudi Arabia
7. Department of Physics Krishna University Machilipatnam Andhra Pradesh 521004 India
8. PACE Institution of Technology and Science Ongole Andhra Pradesh 523272 India
9. Geethanjali College of Engineering and Technology Cheeryal, Keesara Hyderabad 501301 India
10. Department of Physics Dr. M.R. Appa Row College of Studies Krishna University Nuzvid Andhra Pradesh 521201 India
11. Functional Materials Lab Central Research Instruments Facility Sri Sathya Sai Institute of Higher Learning Prasanthi Nilayam Andhra Pradesh 515134 India