Affiliation: | 1. Department of Physics, Sikkim University, Tadong, Indiahttps://orcid.org/0000-0001-9965-9240;2. Department of Physics, Sikkim University, Tadong, India;3. Department of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, Indiahttps://orcid.org/0000-0001-5004-7809;4. Department of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, India |