1. Department of Physics, School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar-751024, India
2. UGC-DAE Consortium for Scientific Research, Kolkata Centre, III/LB-8, Bidhannagar, Kolkata-700098, India
3. Department of Chemistry, School of Physical and Chemical Sciences, Central University of South Bihar, SH-7, Gaya-Panchanpur Road, Gaya-824236, India