Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4183
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorMiao, J-
dc.creatorTian, H-
dc.creatorZhou, X-
dc.creatorPang, GKH-
dc.creatorWang, Y-
dc.date.accessioned2014-12-11T08:24:16Z-
dc.date.available2014-12-11T08:24:16Z-
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/10397/4183-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Miao et al., J. Appl. Phys. 101, 084101 (2007) and may be found at http://link.aip.org/link/?jap/101/084101.en_US
dc.subjectBarium compoundsen_US
dc.subjectCrystal microstructureen_US
dc.subjectStrontium compoundsen_US
dc.subjectLanthanum compoundsen_US
dc.subjectRelaxor ferroelectricsen_US
dc.subjectColossal magnetoresistanceen_US
dc.subjectFerroelectric thin filmsen_US
dc.subjectPusled laser depositionen_US
dc.subjectX-ray diffractionen_US
dc.subjectTransmission electron microscopyen_US
dc.subjectChemical interdiffusionen_US
dc.subjectPermittivityen_US
dc.titleMicrostructure and dielectric relaxor properties for Ba₀.₅Sr₀. ₅TiO₃/La₀.₆₇Sr₀.₃₃MnO₃heterostructureen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: J. Miaoen_US
dc.description.otherinformationAuthor name used in this publication: H. Y. Tianen_US
dc.description.otherinformationAuthor name used in this publication: X. Y. Zhouen_US
dc.description.otherinformationAuthor name used in this publication: K. H. Pangen_US
dc.description.otherinformationAuthor name used in this publication: Y. Wangen_US
dc.identifier.spage1-
dc.identifier.epage6-
dc.identifier.volume101-
dc.identifier.issue8-
dc.identifier.doi10.1063/1.2721393-
dcterms.abstractFerroelectric and magnetoresistance heterostructure (Ba,Sr)TiO₃/ (La,Sr)MnO₃(BST/LSMO) heterostructure is deposited epitaxially on SrTiO₃(001) substrate by pulse laser deposition. The phase structures of the BST/LSMO heterostructure are characterized by x-ray diffraction. Cross-sectional transmission electron microscope shows a substantial interdiffusision between BST and LSMO layers. The dielectric properties and conductivity of BST/LSMO heterostructure is measured as a function of temperature, frequency, and electric field. The dielectric constant dependence on electric field, ε vs E, exhibits a strong nonlinear behavior in the temperature from 20 to 300 K, while ε [sub(E=0)] vs T relation shows a dielectric relaxor characteristic. Furthermore, the dielectric constant (E=0 kV/cm) and the dielectric tunability (E=200 kV/cm) are found to be similar temperature dependencies. Last, in the temperature regime where a semiconduction-type conduction became dominate, the activation thermal energy of BST/LSMO heterostructure is estimated to be 0.67 and 0.73 eV at 1 kHz and 1 MHz, respectively.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of applied physics, 15 Apr. 2007, v. 101, no. 8, 084101, p. 1-6-
dcterms.isPartOfJournal of applied physics-
dcterms.issued2007-04-15-
dc.identifier.isiWOS:000246072200106-
dc.identifier.scopus2-s2.0-34247854956-
dc.identifier.eissn1089-7550-
dc.identifier.rosgroupidr31387-
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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