Affiliation: | 1.Department of Chemistry, Karpagam Academy of Higher Education, Tamil Nadu, Coimbatore, 641021, India ;2.PG and Research Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Tamil Nadu, Coimbatore, 641020, India ;3.Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India ; |