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Electric-field-driven monoclinic-to-rhombohedral transformation in Na1/2Bi1/2TiO3

Rao, Badari Narayana and Ranjan, Rajeev (2012) Electric-field-driven monoclinic-to-rhombohedral transformation in Na1/2Bi1/2TiO3. In: PHYSICAL REVIEW B, 86 (13).

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Official URL: http://dx.doi.org/10.1103/PhysRevB.86.134103

Abstract

The lead free ferroelectric Na1/2Bi1/2TiO3 (NBT) is shown to exhibit electric-field-induced monoclinic (Cc) to rhombohedral (R3c) phase transformation at room temperature. This phenomenon has been analyzed both from the viewpoint of the intrinsic polarization rotation and adaptive phase models. In analogy with the morphotropic phase boundary systems, NBT seems to possess intrinsic competing ferroelectric instabilities near room temperature.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the AMER PHYSICAL SOC, USA
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 06 Dec 2012 10:10
Last Modified: 06 Dec 2012 10:10
URI: http://eprints.iisc.ernet.in/id/eprint/45424

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