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Erschienen in:
12.02.2016
Effect of cerium(IV) oxide on the optical and dielectric properties of strontium bismuth borate glasses
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 5/2016
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Abstract
Transparent glasses are widely used for making optical and electronic devices. Transparent 20SrO–(15−x)Bi2O3−xCeO2–65B2O3 (0 ≤ x ≤ 5, mol%) glasses are prepared via melt-quench technique and characterized using UV–visible and Fourier transform infrared spectroscopy (FT-IR) spectra. The ac conductivities of the glasses increase within the addition of CeO2. The physical parameter, density of the glass samples are characterized by Archimedes’ method. The optical absorption studies show that the present glass system behaves as a direct band gap semiconductor. The FT-IR studies show that the glasses are made up of [BO4] and [BO3] structural units. The conductivity analysis suggests that the charge transport occurs through the participation of nonbridging oxygen atoms.