Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4866
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dc.contributorDepartment of Applied Physics-
dc.creatorMulders, AM-
dc.creatorLawrence, SM-
dc.creatorStaub, U-
dc.creatorGarcia-Fernandez, M-
dc.creatorScagnoli, V-
dc.creatorMazzoli, C-
dc.creatorPomjakushina, E-
dc.creatorConder, K-
dc.creatorWang, Y-
dc.date.accessioned2014-12-11T08:25:16Z-
dc.date.available2014-12-11T08:25:16Z-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10397/4866-
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPhysical Review Letters © 2009 The American Physical Society. The Journal's web site is located at http://prl.aps.org/en_US
dc.subjectComposite micromechanicsen_US
dc.subjectGlassen_US
dc.subjectChemical shiften_US
dc.subjectDielectric polarisationen_US
dc.subjectFrustrationen_US
dc.subjectLutetium compoundsen_US
dc.subjectMagnetic anisotropyen_US
dc.subjectMagnetic structureen_US
dc.subjectMagnetoelectric effectsen_US
dc.subjectMultiferroicsen_US
dc.subjectSuperlatticesen_US
dc.subjectVitreous stateen_US
dc.subjectX-ray diffractionen_US
dc.titleDirect observation of charge order and an orbital glass state in multiferroic LuFe₂O₄en_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage4-
dc.identifier.volume103-
dc.identifier.issue7-
dc.identifier.doi10.1103/PhysRevLett.103.077602-
dcterms.abstractGeometrical frustration of the Fe ions in LuFe₂O₄ leads to intricate charge and magnetic order and a strong magnetoelectric coupling. Using resonant x-ray diffraction at the Fe K edge, the anomalous scattering factors of both Fe sites are deduced from the (h/3   k/3   l/2) reflections. The chemical shift between the two types of Fe ions equals 4.0(1) eV corresponding to full charge separation into Fe²⁺ and Fe³⁺. The polarization and azimuthal angle dependence of the superlattice reflections demonstrate the absence of differences in anisotropic scattering revealing random orientations of the Fe²⁺ orbitals characteristic of an orbital glass state.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysical review letters, 14 Aug. 2009, v. 103, no. 7, 077602, p. 1-4-
dcterms.isPartOfPhysical review letters-
dcterms.issued2009-08-14-
dc.identifier.isiWOS:000269063300068-
dc.identifier.scopus2-s2.0-68949140906-
dc.identifier.eissn1079-7114-
dc.identifier.rosgroupidr46114-
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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