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, Qi
dc.date.accessioned2010-05-06T09:20:30Z
dc.date.available2010-05-06T09:20:30Z
dc.date.issued2009-05
dc.description.abstractPermittivity measurements of a 0.93PMN-0.07PT thin film show a broad maximum near 35 °C, and an anomaly at the depolarizing temperature Td = 18 °C on heating only, suggesting a dipolar glass-relaxor phase transition. No structural phase transition at 18 °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 (ΔT = 9 K, ΔE = 720 kV cm−1) at and near room temperature.en_UK
dc.identifier.citationT. M. Correia, J. S. Young, R. W. Whatmore, J. F. Scott, N. D. Mathur, and Q. Zhang, Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film, Applied Physics Letters, 2009, Volume 95, Issue 18, Pages 1829041-1829043en_UK
dc.identifier.issn0003-6951
dc.identifier.urihttps://doi.org/10.1063/1.3257695
dc.identifier.urihttp://hdl.handle.net/1826/4408
dc.language.isoenen_UK
dc.publisherAmerican Institute of Physicsen_UK
dc.titleInvestigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin filmen_UK
dc.typeArticleen_UK

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