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Journal of Materials Science

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01-09-2012

Synthesis, structure and impedance spectroscopic analysis of [(Pb_xSr_1−x)·OTiO₂]–[(2SiO₂·B₂O₃)]–7[BaO]–3[K₂O] glass ceramic system doped with La₂O₃

Authors: C. R. Gautam, Prabhakar Singh, O. P. Thakur, D. Kumar, O. Parkash

Published in: Journal of Materials Science | Issue 18/2012

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Abstract

Various compositions of glasses were prepared by melt quenching method in the glass ceramic 64[(Pb_xSr_1−x)OTiO₂]–25[(2SiO₂·B₂O₃)]–7[BaO]–3[K₂O]–1[La₂O₃] (0.5 ≤ x ≤ 1) system doped with La₂O₃. Dielectric constant, ε_r versus temperature, T, plots revealed diffused peaks, while dielectric loss, D, versus T plots showed shifting in the peaks toward the higher temperature side similar to relaxor-like ceramics. Curie temperature was found to change systematically with changing the concentration of SrO. Impedance spectroscopy results indicated the contributions of polarization process relaxing in low frequency region attributed to polarizations at the crystal to glass interface and the glassy region.

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Title: Synthesis, structure and impedance spectroscopic analysis of [(Pb x Sr1−x )·OTiO2]–[(2SiO2·B2O3)]–7[BaO]–3[K2O] glass ceramic system doped with La2O3
Authors: C. R. Gautam
Prabhakar Singh
O. P. Thakur
D. Kumar
O. Parkash
Publication date: 01-09-2012
Publisher: Springer US
Published in: Journal of Materials Science / Issue 18/2012
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-012-6602-0

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