Effect of iron oxide (Fe2O3) on the structural, optical, electrical, and dielectric properties of SrO–V2O5 glasses

Effect of iron oxide (Fe2O3) on the structural, optical, electrical, and dielectric properties of... The oxide glass system of the composition (10 – x)SrO–xFe2O3–90V2O5, (x = 0, 2, 4, 6 and 8 mol %) were prepared by a standard melt quenching technique. The amorphous nature of the prepared glass was confirmed using X-ray diffraction technique. The infrared spectra of these glasses were recorded over a continuous spectral range (850–1500 cm–1). The density of prepared sample was obtained by the Archimedes principle. The physical parameters of the glasses were also determined with respect to the composition. Density increases from 3.10 to 3.20 g/cm3, whereas the molar volume decreases with the increase in Fe2O3 concentration. In order to study optical properties, absorption spectra were measured at room temperature. Indirect optical energy band gap, optical dielectric constant, refractive index were calculated from optical energy band gap. The refractive index decreases gradually with the increase in Fe2O3 content due to increase of bridging oxygen’s. For temperatures from 300 to 500 K, the dc conductivity increased with the increasing Fe2O3 content. The dielectric properties like dielectric constant, dielectric loss factor and dielectric loss tangent investigated at the room temperature in the frequency range of 10 kHz to 1 MHz decreases with frequency. The dielectric behavior shows strong frequency as well as composition dependence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Glass Physics and Chemistry Springer Journals

Effect of iron oxide (Fe2O3) on the structural, optical, electrical, and dielectric properties of SrO–V2O5 glasses

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Pleiades Publishing
Copyright © 2017 by Pleiades Publishing, Ltd.
Materials Science; Ceramics, Glass, Composites, Natural Materials; Characterization and Evaluation of Materials; Materials Science, general; Physical Chemistry
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