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Published in: Journal of Sol-Gel Science and Technology 3/2014

01-06-2014 | Original Paper

Magnetocapacitance and impedance spectroscopy of Ba0.7Sr0.3TiO3/La0.67Sr0.33MnO3 and Ba0.8Sr0.2TiO3/La0.67Sr0.33MnO3 thin film heterostructures

Authors: A. N. Tarale, P. B. Joshi, S. B. Kulkarni, V. R. Reddy, M. Gupta, R. C. Pawar, C. S. Lee

Published in: Journal of Sol-Gel Science and Technology | Issue 3/2014

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Abstract

The paper discuses synthesis of Ba0.7Sr0.3TiO3/La0.67Sr0.33MnO3 and Ba0.8Sr0.2TiO3/La0.67Sr0.33MnO3 thin film heterostructures by sol–gel (citrate gel route) method. The XRD spectra are determined for confirmation of crystalline phases of Ba0.7Sr0.3TiO3, Ba0.8Sr0.2TiO3 and La0.67Sr0.33MnO3 thin films. The observed variation of Cp, tan δ, magnetocapacitance (Mc), real part of dielectric constant ε′, imaginary part of dielectric constant ε″as a function of frequency, magnetoresistance R(H) and magnetoimpedance Z(H) are presented in the paper. Further the observed impedance spectra as a function of frequency f is also presented in the paper. The observed variation of Mc is qualitatively correlated with the stress induced effect and magnetoresistasnce effect occurring simultaneously.

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Metadata
Title
Magnetocapacitance and impedance spectroscopy of Ba0.7Sr0.3TiO3/La0.67Sr0.33MnO3 and Ba0.8Sr0.2TiO3/La0.67Sr0.33MnO3 thin film heterostructures
Authors
A. N. Tarale
P. B. Joshi
S. B. Kulkarni
V. R. Reddy
M. Gupta
R. C. Pawar
C. S. Lee
Publication date
01-06-2014
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 3/2014
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-014-3288-6

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