1. Indian Institute of Technology Kharagpur,Quantum Materials and Device Research Lab, Materials Science Centre,Kharagpur,India
2. Indian Institute of Technology Kharagpur,Materials Science Centre,Kharagpur,India
3. Indian Institute of Technology Kharagpur,Department of Physics,Kharagpur,India
4. School of Applied Sciences, Kalinga Institute of Technology- Deemed to be University,Dept. of Physics,Bhubaneswar,India
5. Indian Institute of Technology Kharagpur,Nanoscience and Technology,Kharagpur,India