1. Centre for Applied Research in Electronics, Indian Institute of Technology Delhi, New Delhi 110016, India
2. Solid State Physics Laboratory, Lucknow Road, Timarpur, Delhi 110054, India
3. University of Queensland−IIT Delhi Academy of Research (UQIDAR), Hauz Khas, New Delhi 110016, India
4. Centre for Personnel Talent Management, Metcalfe House, Delhi 110054, India