1. Nanoscale Physics and Device Laboratory Quantum Materials and Devices Unit Institute of Nano Science and Technology Knowledge City, Sector‐81, S.A.S. Nagar Mohali Punjab 140306 India
2. Applied Science Department Punjab Engineering College (Deemed to be University) Sector‐12 Chandigarh 160012 India
3. Department of Physical Sciences Indian Institute of Science Education and Research Knowledge City, Sector‐81, S.A.S. Nagar Mohali Punjab 140306 India
4. Bose Institute P‐1/12, CIT Rd. Scheme VIIM Kolkata West Bengal 700054 India