1. Department of Chemistry, School of Physical and Chemical Sciences, Central University of South Bihar, NH-120, Gaya-Panchanpur Road, Gaya 824236, India
2. Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
3. Department of Physics, School of Applied Sciences, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha 751024, India