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.
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Acknowledgments
The authors are thankful to the University Grants Commission (UGC), New Delhi for the financial support. The authors are grateful to Dr. Ibnusaud, Director, IIRBS, Mahatma Gandhi University, Kottayam for providing FTIR facility, Dr. Manoj Raama Varma, Materials and Minerals Division, NIIST (CSIR), Trivandrum for dielectric studies and Dr. Gop Chandran, Department of Optoelectronics, Kerala University, Trivandrum for UV–visible characterization.
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Rejisha, S.R., Anjana, P.S. & Gopakumar, N. Effect of cerium(IV) oxide on the optical and dielectric properties of strontium bismuth borate glasses. J Mater Sci: Mater Electron 27, 5475–5482 (2016). https://doi.org/10.1007/s10854-016-4452-2
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DOI: https://doi.org/10.1007/s10854-016-4452-2