Single domain magnetic helicity and triangular chirality in structurally enantiopure Ba3NbFe3Si2O14

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dc.creatorMarty, Karol
dc.creatorSimonet, Virginie
dc.creatorRessouche, Eric
dc.creatorBallou, Rafik
dc.creatorLejay, Pascal
dc.creatorBordet, Pierre
dc.date2008-09-18
dc.date2008-12-14
dc.date.accessioned2026-07-07T12:12:12Z
dc.date.available2026-07-07T12:12:12Z
dc.descriptionA novel doubly chiral magnetic order is found out in the structurally chiral langasite compound Ba$_3$NbFe$_3$Si$_2$O$_{14}$. The magnetic moments are distributed over planar frustrated triangular lattices of triangle units. On each of these they form the same triangular configuration. This ferro-chiral arrangement is helically modulated from plane to plane. Unpolarized neutron scattering on a single crystal associated with spherical neutron polarimetry proved that a single triangular chirality together with a single helicity is stabilized in an enantiopure crystal. A mean field analysis allows discerning the relevance on this selection of a twist in the plane to plane supersuperexchange paths.
dc.identifierhttps://arxiv.org/abs/0809.3067
dc.identifierhttp://arxiv.org/abs/0809.3067
dc.identifierPhysical Review Letters 101, 24 (2008) 247201
dc.identifierdoi:10.1103/PhysRevLett.101.247201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210469
dc.subjectStrongly Correlated Electrons
dc.titleSingle domain magnetic helicity and triangular chirality in structurally enantiopure Ba3NbFe3Si2O14
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