Impedance and pyroelectric measurements on charge imbalanced BLSF sol-gel ceramic

Defect-related structure is often interpreted as a special kind of material in the literature, considering in this direction, oxygen-deficient and charge-imbalanced polycrystalline materials of three-layered compound, namely Sr 2 Bi 2 Nb 3 O 12 (SBN), was synthesized by Sol-Gel method. Dielectric an...

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Main Authors: Reddy, N. T., Prasad, N. V., Kumar, G. S., Prasad, G., Ramana, E. V.
Format: Conference Proceeding
Language:English
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Bismuth
BLSF
Dielectric measurements
Dielectrics
Frequency measurement
Impedance
Materials
pyroelectric
Raman and FTIR spectra
Temperature measurement
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Prasad, N. V.
Kumar, G. S.
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Ramana, E. V.
description Defect-related structure is often interpreted as a special kind of material in the literature, considering in this direction, oxygen-deficient and charge-imbalanced polycrystalline materials of three-layered compound, namely Sr 2 Bi 2 Nb 3 O 12 (SBN), was synthesized by Sol-Gel method. Dielectric and complex impedance analysis was studied on SBN. The enhancement of polarization is attributed to NbO 6 octahedra. The sharp intensity-peak observed in Raman spectra is an indicative of Sr-O-Sr and Sr-O-Bi bonds and its competitive interactions. The peaks of FTIR spectra appeared at 610 cm -1 confirmed the same. Electrical impedance and Pyroelectric measurements were also performed. The observed broad semicircle in the complex impedance plot, associated with grain and grain boundary, is corroborated with the log-log spectroscopic plots for better understanding of the disorder ferroelectric behavior of th sample.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Bismuth
BLSF
Dielectric measurements
Dielectrics
Frequency measurement
Impedance
Materials
pyroelectric
Raman and FTIR spectra
Temperature measurement
title Impedance and pyroelectric measurements on charge imbalanced BLSF sol-gel ceramic
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