Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi1/2TiO3 ceramics through cobalt substitution

Karthik, T and Ramadurai, Ranjit and Asthana, Saket (2014) Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi1/2TiO3 ceramics through cobalt substitution. AIP Advances, 4. ISSN 2158-3226

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Abstract

Co-ion (5 mol %) substitution in Na1/2Bi1/2TiO3 (NBT) host lattice and their effects on the structural, ferroelectric and dielectric behavior has been investigated thoroughly in this present study. The substituted Co-ion at Ti-site acts an acceptor type doping and hardens (i.e., increase in coercivity) the system without any noticeable change in the remanent polarization values. However, the intermediate antiferroelectric (AFE) ordering which exists between 200 °C-280 °C in NBT system has been suppressed due to Co-ion substitution, which is an interesting feature for device applications.

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IITH Creators:	IITH Creators ORCiD Ramadurai, Ranjit http://orcid.org/0000-0003-2991-0027 Asthana, Saket http://orcid.org/0000-0002-6420-3304
Item Type:	Article
Subjects:	Materials Engineering > Materials engineering
Divisions:	Department of Material Science Engineering
Depositing User:	Library Staff
Date Deposited:	13 Sep 2019 05:09
Last Modified:	13 Sep 2019 10:29
URI:	http://raiithold.iith.ac.in/id/eprint/6223
Publisher URL:	https://doi.org/10.1063/1.4862169
Related URLs:	Google Scholar

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