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dc.contributor.authorAmorín, Harvey-
dc.contributor.authorCorreas, Covadonga-
dc.contributor.authorFernández-Posada, Carmen M.-
dc.contributor.authorPeña, Octavio-
dc.contributor.authorCastro, Alicia-
dc.contributor.authorAlgueró, Miguel-
dc.date.accessioned2014-06-25T10:31:15Z-
dc.date.available2014-06-25T10:31:15Z-
dc.date.issued2014-
dc.identifierdoi: 10.1063/1.4868319-
dc.identifierissn: 0021-8979-
dc.identifiere-issn: 1089-7550-
dc.identifier.citationJournal of Applied Physics 115(10): 104104 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/98923-
dc.description.abstractStrong phase-change magnetoelectric responses have been anticipated by a first-principles investigation of phases in the perovskite BiFeO 3-BiCoO3 solid solution, specifically at the morphotropic phase boundary (MPB) between the multiferroic rhombohedral and tetragonal polymorphs. This might be a general property of multiferroic MPBs and a novel promising approach for room temperature magnetoelectricity, which requires the identification of suitable material systems. We present here a comprehensive description of the electrical and electromechanical properties across one such system; the perovskite BiFeO3-PbTiO3 solid solution. All the temperature dependence of dielectric permittivity, ferroelectric hysteresis loops, and piezoelectric coefficients have been obtained, and are discussed in relation to the previously reported perovskite structural evolution. Results show ceramic materials to be very promising for ferroelectric random access memories (remnant polarization as high as 63 μC cm-2 with a comparatively low coercive field of 4.5 kV mm-1 for MPB compositions) and high temperature electromechanical transduction (crystal piezoelectric coefficient of 87 pC N-1 with a Curie temperature above 873 K). Moreover, the occurrence of phase changes between the monoclinic and tetragonal polymorphs under high electric fields is indicated, while the canted antiferromagnetic character of the phases involved is corroborated. © 2014 AIP Publishing LLC.-
dc.description.sponsorshipFunded by MINECO (Spain) through the MAT2011-23709 project. Dr. H. Amorín thanks financial support by MICINN Ramón y Cajal Programme (RYC-2008-03247). Ms. C. Correas and Ms. C. M. Fernández-Posada also thank the specific financial support of FPI Programme (BES-2008-005409 and BES-2012-053017, respectively).-
dc.publisherAmerican Institute of Physics-
dc.relation.ispartofPublisher's version-
dc.rightsopenAccess-
dc.titleMultiferroism and enhancement of material properties across the morphotropic phase boundary of BiFeO3-PbTiO3-
dc.typeartículo-
dc.identifier.doi10.1063/1.4868319-
dc.relation.publisherversionhttp://dx.doi.org/10.1063/1.4868319-
dc.date.updated2014-06-25T10:31:15Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
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