1. Department of ECE, Manakula Vinayagar Institute of Technology, Puducherry 605014, India
2. Department of Physics, Institute of Aeronautical Engineering, Hyderabad 500043, India
3. Centre of Advanced Materials and Applications, Utkal University, Vani Vihar, Bhubaneswar, Odisha 751004, India
4. Department of Physics, Pondicherry University, Puducherry 605014, India
5. Department of Chemistry, SRM institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India