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

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dc.contributor.author Correia, T. M.
dc.contributor.author Young, J. S.
dc.contributor.author Whatmore, Roger W.
dc.contributor.author Scott, J. F.
dc.contributor.author Mathur, N. D.
dc.contributor.author Zhang, Q.
dc.date.accessioned 2017-07-28T11:22:10Z
dc.date.available 2017-07-28T11:22:10Z
dc.date.issued 2009
dc.identifier.citation 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. doi: 10.1063/1.3257695 en
dc.identifier.volume 95
dc.identifier.issued 18
dc.identifier.startpage 1
dc.identifier.endpage 3
dc.identifier.issn 0003-6951
dc.identifier.issn 1077-3118
dc.identifier.uri http://hdl.handle.net/10468/4350
dc.identifier.doi 10.1063/1.3257695
dc.description.abstract Permittivity 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.sponsorship Engineering and Physical Sciences Research Council (Joint EPSRC Grant Nos. EP/E035043 (Cranfield) and EP/E03389X (Cambridge) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher AIP Publishing en
dc.relation.uri http://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/10.1063/1.3257695 en
dc.subject Electromechanical properties en
dc.subject Ferroelectrics en
dc.subject Behavior en
dc.subject Niobate en
dc.subject Ceramics en
dc.subject Dielectric hysteresis en
dc.subject Ferroelectric thin films en
dc.subject Ferroelectric transitions en
dc.subject Lead compounds en
dc.subject Magnesium compounds en
dc.subject Pyroelectricity en
dc.subject Relaxor ferroelectrics en
dc.subject Permittivity en
dc.subject Lead zirconate titanate en
dc.subject Phase transitions en
dc.subject Dielectric thin films en
dc.title Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Roger Whatmore, Tyndall National Institute, University College Cork, Cork, Ireland +353-21-490-3000, Email: roger.whatmore@tyndall.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000271666800057
dc.contributor.funder Engineering and Physical Sciences Research Council
dc.description.status Peer reviewed en
dc.identifier.journaltitle Applied Physics Letters en
dc.internal.IRISemailaddress roger.whatmore@tyndall.ie en
dc.identifier.articleid 182904


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