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Journal of Materials Science: Materials in Electronics
Published in:

10-08-2016

Electrical properties of Ca0.925Ce0.075Mn1−xFexO3 (x = 0.1–0.3) prepared by sol–gel technique

Authors: K. R. Nandan, A. Ruban Kumar

Published in: Journal of Materials Science: Materials in Electronics | Issue 12/2016

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Abstract

In this present study, nanocrystalline perovskite structure CaMnO3 substituted with Ce and Fe was prepared by a sol–gel technique using citric acid as a chelating agent at 800 °C. The compound was analyzed by powder X-ray diffraction technique and found to be single phased orthorhombic perovskite structure with space group Pnma. The morphology of the synthesized material study is carried out by using SEM and EDX confirmed the chemical compositions of the sample. Electrical measurements were performed to determine the conductive nature of the sample, and the conductivity increases with increasing Fe concentration. Electrode polarization effect was apparently seen in the Nyquist plot and the conductivity measurements. Dielectric relaxations were present in the sample was attributed to the existence of oxygen vacancy, migration in the ions and the Ea is calculated using Arrhenius equation.
previous article The influence of Ag substitution on structural and mechanical properties of (Bi, Pb)-2223 ceramics
next article Doped tin induced structural evaluation and performance of CH3NH3PbxSn1-xI3 thin films prepared by a simple route of unisource thermal evaporation

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Metadata
Title
Electrical properties of Ca0.925Ce0.075Mn1−xFexO3 (x = 0.1–0.3) prepared by sol–gel technique
Authors
K. R. Nandan
A. Ruban Kumar
Publication date
10-08-2016
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 12/2016
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-5464-7

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