1. Department of Mechanical Engineering Indian Institute of Technology Bombay Mumbai Maharashtra 400076 India
2. Condensed Matter Theory Group, Materials Theory Division Department of Physics and Astronomy Uppsala University Box 516 75120 Uppsala Sweden
3. Department of Physics Indian Institute of Technology Bombay Mumbai Maharashtra 400076 India
4. Department of Physical Sciences P. D. Patel Institute of Applied Science CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road Changa Gujarat 388421 India
5. School of Nano Sciences Central University of Gujarat Sector-30 Gandhinagar Gujarat 382030 India
6. Department of Physics Indian Institute of Technology Ropar Rupnagar Punjab 140001 India