1. Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Ramanagaram, Bangalore 562112, India
2. Department of Physics, Savitribai Phule Pune University, Pune 411007, India
3. Centre for Nanoscience & Nanotechnology, Amity University Maharashtra, Mumbai-Pune Expressway, Bhatan, Post – Somathne, Panvel, Mumbai, Maharashtra, 410206, India