Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2517
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorZheng, RK-
dc.creatorHabermeier, H-
dc.creatorChan, HLW-
dc.creatorChoy, CL-
dc.creatorLuo, H-
dc.date.accessioned2014-12-11T08:22:35Z-
dc.date.available2014-12-11T08:22:35Z-
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10397/2517-
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPhysical Review B © 2009 The American Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.subjectManganitesen_US
dc.subjectColossal magnetoresistanceen_US
dc.subjectFerroelectricity and antiferroelectricityen_US
dc.titleEffect of ferroelectric-poling-induced strain on the phase separation and magnetotransport properties of La₀.₇Ca₀.₁₅Sr₀.₁₅MnO₃thin films grown on ferroelectric single-crystal substratesen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: H. L. W. Chanen_US
dc.description.otherinformationAuthor name used in this publication: C. L. Choyen_US
dc.description.otherinformationAuthor name used in this publication: H. S. Luoen_US
dc.identifier.spage1-
dc.identifier.epage8-
dc.identifier.volume80-
dc.identifier.issue10-
dc.identifier.doi10.1103/PhysRevB.80.104433-
dcterms.abstractWe report the effects of the ferroelectric-poling-induced strain on the phase separation, magnetic, and magnetotransport properties of La₀.₇Ca₀.₁₅Sr₀.₁₅MnO₃(LCSMO) thin films grown on ferroelectric 0.67Pb(Mg₁/₃Nb₂/₃)O₃-0.33PbTiO₃(PMN-PT) single-crystal substrates. In situ x-ray diffraction measurements show that the ferroelectric poling induces a reduction in the in-plane tensile strain in the LCSMO film, which gives rise to a decrease in the resistance and an increase in the ferromagnetism and Curie temperature Tc. The induced reduction in the tensile strain leads to opposite effect on the magnetoresistance below and above Tc. Based on a phenomenogical model that well reproduces the essential features of the field- and temperature-dependence of the resistance of the LCSMO film when the PMN-PT substrate is in unpoled and poled state, respectively, we found that the volume fraction of the ferromagnetic metallic phase is significantly enhanced due to the reduction in the in-plane tensile strain in the film. We discuss these strain effects within the framework of the electron-lattice coupling and phase separation scenario that are relevant to the strain induced by the ferroelectric poling.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysical review. B, Condensed matter and materials physics, 1 Sept. 2009, v. 80, no. 10, 104433, p. 1-8-
dcterms.isPartOfPhysical review. B, Condensed matter and materials physics-
dcterms.issued2009-09-01-
dc.identifier.isiWOS:000270383100076-
dc.identifier.scopus2-s2.0-70349902984-
dc.identifier.eissn1550-235X-
dc.identifier.rosgroupidr49934-
dc.description.ros2009-2010 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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