Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film

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dc.contributor.authorCorreia, T. M.
dc.contributor.authorYoung, J. S.
dc.contributor.authorWhatmore, Roger W.
dc.contributor.authorScott, J. F.
dc.contributor.authorMathur, N. D.
dc.contributor.authorZhang, Q.
dc.contributor.funderEngineering and Physical Sciences Research Council
dc.date.accessioned2017-07-28T11:22:10Z
dc.date.available2017-07-28T11:22:10Z
dc.date.issued2009
dc.description.abstractPermittivity measurements of a 0.93PMN-0.07PT thin film show a broad maximum near 35 degrees C, and an anomaly at the depolarizing temperature T-d=18 degrees C on heating only, suggesting a dipolar glass-relaxor phase transition. No structural phase transition at 18 degrees C is apparent from ferroelectric hysteresis loops taken on field cooling and field heating. These loops show the thermal hysteresis expected for ferroelectric relaxors, which has not hitherto been experimentally verified in PbMg2/3Nb1/3O3-PbTiO3 thin films. Our data suggest the intriguing possibility of a giant electrocaloric effect (Delta T=9 K, Delta E=720 kV cm(-1)) at and near room temperature. (C) 2009 American Institute of Physics. (doi:10.1063/1.3257695)en
dc.description.sponsorshipEngineering and Physical Sciences Research Council (Joint EPSRC Grant Nos. EP/E035043 (Cranfield) and EP/E03389X (Cambridge)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid182904
dc.identifier.citationCorreia, T. M., Young, J. S., Whatmore, R. W., Scott, J. F., Mathur, N. D. and Zhang, Q. (2009) 'Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film', Applied Physics Letters, 95(18), pp. 182904. doi: 10.1063/1.3257695en
dc.identifier.doi10.1063/1.3257695
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued18
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4350
dc.identifier.volume95
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.3257695
dc.rights© 2009 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Correia, T. M., Young, J. S., Whatmore, R. W., Scott, J. F., Mathur, N. D. and Zhang, Q. (2009) 'Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film', Applied Physics Letters, 95(18), pp. 182904 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3257695en
dc.subjectElectromechanical propertiesen
dc.subjectFerroelectricsen
dc.subjectBehavioren
dc.subjectNiobateen
dc.subjectCeramicsen
dc.subjectDielectric hysteresisen
dc.subjectFerroelectric thin filmsen
dc.subjectFerroelectric transitionsen
dc.subjectLead compoundsen
dc.subjectMagnesium compoundsen
dc.subjectPyroelectricityen
dc.subjectRelaxor ferroelectricsen
dc.subjectPermittivityen
dc.subjectLead zirconate titanateen
dc.subjectPhase transitionsen
dc.subjectDielectric thin filmsen
dc.titleInvestigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin filmen
dc.typeArticle (peer-reviewed)en
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