1. Department of Physics, School of Natural Sciences, Shiv Nadar University, NH-91, Dadri, Gautam Buddha Nagar, Greater Noida, Uttar Pradesh 201 314, India
2. Department of Physics, Dinhata College, Dinhata, West Bengal 736 135, India
3. Department of Applied Sciences and Humanities, Assam University, Silchar, Assam 788 011, India
4. Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf, Dersden 01328, Germany
5. UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore, Madhya Pradesh 452 001, India
6. School of Physical Sciences, Jawaharlal Nehru University, Delhi 110067, India