1. Research and Development Division, Tata Steel Ltd., Jamshedpur 831007, India
2. Department of Physics, School of Applied Sciences, KIIT, Deemed to be University, Bhubaneswar 751024, India
3. Department of Applied Physics, Amity Institute of Applied Sciences (AIAS), Amity University, Noida Campus, Sector-125, Noida 201313, India
4. Department of Chemistry, School of Physical and Chemical Sciences, Central University of South Bihar, SH-7, Gaya-Panchanpur Road, Gaya 824236, India