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Magnetic controlled voltage in the pseudo-ternary multiferroic BiFeO3-PbTiO3-BaTiO3

Kumar, Naveen and Narayan, Bastola and Kumar, Sanjeev and Verma, K C and Ranjan, Rajeev and Shah, Jyoti and Kotnala, R K (2017) Magnetic controlled voltage in the pseudo-ternary multiferroic BiFeO3-PbTiO3-BaTiO3. In: MATERIALS RESEARCH EXPRESS, 4 (9).

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Official URL: http://doi.org/10.1088/2053-1591/aa7af9

Abstract

We have investigated the magnetoelectric coupling in multiferroic system (0.9 - x) BiFeO3-xPbTiO(3)-0.1BaTiO(3) with x = 0.21, 0.23 and 0.25, synthesized by conventional solid state reaction. X-ray diffraction study revealed the coexistence of monoclinic (Cc) and tetragonal (P4mm) symmetries, suggesting these compositions to be at the morphotropic phase boundary (MPB) of this alloy system. We found a systematic increase in polarization with increasing PbTiO3 content. These compositions also exhibit weak ferromagnetism at room temperature. These MPB compositions are shown to exhibit high values of the dynamic magnetoelectric coupling coefficient (alpha(E)), viz. 3.6, 11.4 and 15.45 mV/cmOe, respectively, for x = 0.21, 0.23 and 0.25.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 30 Sep 2017 09:20
Last Modified: 30 Sep 2017 09:20
URI: http://eprints.iisc.ac.in/id/eprint/57939

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