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Helical bunching and symmetry lowering inducing multiferroicity in Fe langasites

hal.structure.identifierMatériaux, Rayonnements, Structure [NEEL - MRS]
hal.structure.identifierInstitut Laue-Langevin [ILL]
hal.structure.identifierStandford University
dc.contributor.authorCHAIX, Laura
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorBALLOU, Rafik
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCANO, Andres
hal.structure.identifierLaboratoire Léon Brillouin [LLB - UMR 12]
dc.contributor.authorPETIT, Sylvain
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorDE BRION, Sophie
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorOLLIVIER, Jacques
hal.structure.identifierMagnétisme et Diffusion Neutronique [MDN]
dc.contributor.authorREGNAULT, Louis-Pierre
hal.structure.identifierMagnétisme et Diffusion Neutronique [MDN]
dc.contributor.authorRESSOUCHE, Eric
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorCONSTABLE, Evan
hal.structure.identifierMatériaux, Rayonnements, Structure [NEEL - MRS]
dc.contributor.authorCOLIN, Claire
hal.structure.identifierJozef Stefan Institute [Ljubljana] [IJS]
dc.contributor.authorZORKO, A.
hal.structure.identifierThe Swiss Light Source (SLS) [SLS-PSI]
dc.contributor.authorSCAGNOLI, Valerio
hal.structure.identifierCristaux massifs [NEEL - CrisMass]
dc.contributor.authorBALAY, Joël
hal.structure.identifierCroissance Cristalline et MicroAnalyse [NEEL - C2MA]
dc.contributor.authorLEJAY, Pascal
hal.structure.identifierMagnétisme et Supraconductivité [NEEL - MagSup]
dc.contributor.authorSIMONET, Virginie
dc.date.created2016-05-31
dc.date.issued2016-06-16
dc.identifier.issn2469-9950
dc.description.abstractEnThe chiral Fe-based langasites represent model systems of triangle-based frustrated magnets with a strong potential for multiferroicity. We report neutron scattering measurements for the multichiral Ba3MFe3Si2O14 (M = Nb, Ta) langasites revealing new important features of the magnetic order of these systems: the bunching of the helical modulation along the c-axis and the in-plane distortion of the 120° Fe-spin arrangement. We discuss these subtle features in terms of the microscopic spin Hamiltonian, and provide the link to the magnetically-induced electric polarization observed in these systems. Thus, our findings put the multiferroicity of this attractive family of materials on solid ground.
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.subject.enneutron scattering
dc.subject.enchirality
dc.subject.enmultiferroic
dc.title.enHelical bunching and symmetry lowering inducing multiferroicity in Fe langasites
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.93.214419
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el]
dc.identifier.arxiv1506.06491
bordeaux.journalPhysical Review B
bordeaux.page214419
bordeaux.volume93
bordeaux.issue21
bordeaux.peerReviewedoui
hal.identifierhal-01163057
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01163057v1
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