1. Dada Patil Mahavidyalaya, Karjat Ahmednagar Maharashtra India
2. Yashwantrao Mohite College of Arts Science and Commerce Bharati Vidyapeeth University Pune Maharashtra India
3. Thin Film Materials Laboratory, Department of Physics Shivaji University Kolhapur Maharashtra India
4. Department of Physics Yashavantrao Chavan Institute of Science Satara Maharashtra India
5. Division of Physics and Semiconductor Science Dongguk University Seoul South Korea