STRUCTURAL AND THERMAL PROPERTIES OF CALCIUM DOPED BORATE GLASSES
C .Subashini
Assistant Professor, Department of Physics, Arasu Engineering College,Kumbakonam,Tamil Nadu, India , IN
C.Subashini
Assistant Professor, Department of Physics, Arasu Engineering College,Kumbakonam,Tamil Nadu, India , IN
R.Ezhil Pavai
Assistant Professor, Department of Physics, Arasu Engineering College,Kumbakonam,Tamil Nadu, India , IN
Keywords: Borate glasses, CuO ,XRD, IR, DTA
Abstract
A Series of B2O3-CaO-CuO glasses containing 5-20 mol% of CuO were prepared by sudden quenching method and characterized by X-Ray Diffraction (XRD), Infrared spectroscopy (IR) and Differential Thermal Analysis (DTA) techniques. From XRD studies, the samples were found to be completely amorphous in nature. The infrared spectra of the glasses were recorded in the wave number range 400 to 4000cm-1 an attempt to study their structure systematically. The IR measurements revealed an existences of trigonal BO3 Pyramid, tetrahedral BO4 and Cu 2+ ions. Thermal properties of the glasses were studied using differential thermal analysis. Composition
dependence of the DTA data are disussed in the light of rigidity of the glasses.
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