1. Department of Physics, Lakshmi Bangaru Arts and Science College, Melmaruvathur, India
2. Department of Physics, Arignar Anna Government Arts College, Cheyyar, India
3. Department of Physics, Islamiah College (Autonomous), Vaniyambadi, India
4. Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
5. Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
6. Department of Physics, Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering (Autonomous), Chennai, India