1. Department of Physics, Indian Institute of Technology (IIT) Kharagpur 1 , Kharagpur 721302, India
2. Department of Electrical Engineering, Indian Institute of Technology (IIT) Kharagpur 2 , Kharagpur 721302, India
3. Materials Research Centre, Indian Institute of Science 3 , Bangalore 560012, India
4. School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM) 4 , Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
5. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur 5 , Kharagpur 721302, India