Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/558
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorZheng, RK-
dc.creatorWang, Y-
dc.creatorWang, J-
dc.creatorWong, KS-
dc.creatorChan, HLW-
dc.creatorChoy, CL-
dc.creatorLuo, H-
dc.date.accessioned2014-12-11T08:24:48Z-
dc.date.available2014-12-11T08:24:48Z-
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10397/558-
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPhysical Review B © 2006 American Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.subjectLanthanum compoundsen_US
dc.subjectCalcium compoundsen_US
dc.subjectMagnetic thin filmsen_US
dc.subjectColossal magnetoresistanceen_US
dc.subjectLead compoundsen_US
dc.subjectDielectric polarisationen_US
dc.subjectFerroelectric Curie temperatureen_US
dc.subjectInternal stressesen_US
dc.subjectPiezoelectricityen_US
dc.titleTuning the electrical properties of La[sub 0.75]Ca[sub 0.25]MnO₃ thin films by ferroelectric polarization, ferroelectric-field effect, and converse piezoelectric effecten_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage8-
dc.identifier.volume74-
dc.identifier.doi10.1103/PhysRevB.74.094427-
dcterms.abstractThin films of La[sub 0.75]Ca[sub 0.25]MnO₃ (LCMO) have been grown on ferroelectric (1−x)Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-xPbTiO₃(x~0.33) single-crystal substrates. The ferroelectric polarization in the PMN-PT substrates gives rise to a decrease in resistance and an upward shift in Curie temperature of the LCMO films, which was interpreted in terms of the ferroelectric polarization induced lattice strain effect. The resistance of the LCMO films can be modulated by applying dc/ac electric fields across the polarized PMN-PT substrates. The electric field induces lattice strains in the PMN-PT substrates via the converse piezoelectric effect, which subsequently changes the strain state and resistance of the LCMO films. A quantitative relation between the resistance in the LCMO films and the induced lattice strains in the PMN-PT substrates has been established. Moreover, we identified that the ferroelectric polarization and converse piezoelectric effect induced lattice strain effects dominate over the field effect in the LCMO/PMN-PT systems.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysical review. B, Condensed matter and materials physics, 26 Sept. 2006, v. 74, 094427, p. 1-8-
dcterms.isPartOfPhysical review. B, Condensed matter and materials physics-
dcterms.issued2006-09-26-
dc.identifier.isiWOS:000240871700054-
dc.identifier.scopus2-s2.0-33749010080-
dc.identifier.eissn1550-235X-
dc.identifier.rosgroupidr31409-
dc.description.ros2006-2007 > 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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