1. Department of Physics, Jadavpur University, Kolkata 700032, India
2. Department of Electronics & Communication Engineering, Ramgarh Engineering College, Murbanda, Ramgarh, Jharkhand 825101, India
3. Department of Electronics, Netaji Nagar Day College, Kolkata 700092, India
4. Quantum Materials and Devices Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, India