1. Division of Physics, School of Advanced Sciences, Vellore Institute of Technology (VIT) Chennai, Vandalur – Kelambakkam Road, Chennai – 600127, India
2. Department of Nuclear Physics, University of Madras, Chennai – 600025, India
3. Department of Biotechnology, Hindustan College of Arts and Science, Affiliated to University of Madras, Padur, Chennai – 603103, India
4. Functional Materials and Energy Devices Laboratory, Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, 603203, India
5. Nanotechnology Research Centre (NRC), Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603203, India