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Magnetic and dielectric order in the kagomelike francisite Cu3Bi( SeO3) 2O2Cl

hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorCONSTABLE, E.
hal.structure.identifierMagnétisme et Diffusion Neutronique [MDN]
dc.contributor.authorRAYMOND, S.
hal.structure.identifierLaboratoire Léon Brillouin [LLB - UMR 12]
dc.contributor.authorPETIT, S.
hal.structure.identifierMagnétisme et Diffusion Neutronique [MDN]
dc.contributor.authorRESSOUCHE, E.
hal.structure.identifierMagnétisme et Diffusion Neutronique [MDN]
dc.contributor.authorBOURDAROT, F.
hal.structure.identifierCristaux massifs [NEEL - CrisMass]
dc.contributor.authorDEBRAY, J.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJOSSE, Michaël
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorFABELO, O.
hal.structure.identifierEcole Polytechnique Fédérale de Lausanne [EPFL]
dc.contributor.authorBERGER, H.
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorDE BRION, S.
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorSIMONET, V.
dc.date.issued2017
dc.identifier.issn2469-9950
dc.description.abstractEnWe report a single-crystal neutron diffraction and inelastic neutron scattering study on the spin 1/2 cuprate Cu3Bi(SeO3)2O2Cl, complemented by dielectric and electric polarization measurements. The study clarifies a number of open issues concerning this complex material, whose frustrated interactions on a kagomelike lattice, combined with Dzyaloshinskii-Moriya interactions, are expected to stabilize an exotic canted antiferromagnetic order. In particular, we determine the nature of the structural transition occurring at 115 K, the magnetic structure below 25 K resolved in the updated space group, and the microscopic ingredients at the origin of this magnetic arrangement. This was achieved by an analysis of the measured gapped spin waves, which signifies the need for an unexpected and significant anisotropic exchange beyond the proposed Dzyaloshinskii-Moriya interactions. Finally, we discuss the multiferroic properties of this material with respect to the space group symmetries.
dc.description.sponsorshipEffets magnéto-électriques dynamiques : études expérimentale et théorique des excitations hybrides - ANR-13-BS04-0013
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enMagnetic and dielectric order in the kagomelike francisite Cu3Bi( SeO3) 2O2Cl
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.96.014413
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el]
bordeaux.journalPhysical Review B
bordeaux.page014413
bordeaux.volume96
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-01632255
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01632255v1
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