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Frustration on a centred pyrochlore lattice in metal-organic frameworks

dc.contributor.authorNUTAKKI, Rajah
dc.contributor.authorRÖSS-OHLENROTH, Richard
dc.contributor.authorVOLKMER, Dirk
dc.contributor.authorJESCHE, Anton
dc.contributor.authorVON NIDDA, Hans-Albrecht Krug
dc.contributor.authorTSIRLIN, Alexander A.
dc.contributor.authorGEGENWART, Philipp
dc.contributor.authorPOLLET, Lode
hal.structure.identifierCentre National de la Recherche Scientifique [CNRS]
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorJAUBERT, L.D.C.
dc.date.accessioned2022-10-14T09:37:35Z
dc.date.available2022-10-14T09:37:35Z
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/164952
dc.description.abstractEnGeometric frustration inhibits magnetic systems from ordering, opening a window beyond Landau's paradigm into topological matter and emergent gauge fields, with potential applications to quantum computing. In most systems frustration stems from one of only two elementary units of spins: either triangles or tetrahedra. Here we explore an alternative route for frustration via molecular design in the metal-azolate framework [Mn(II)(ta)2], whose units are centred tetrahedra made of five spins. Despite a Curie-Weiss temperature of -21 K indicating the energy scale of magnetic interactions, [Mn(II)(ta)2] orders only at 0.43 K, putting it firmly in the category of highly frustrated magnets. Using a combination of simulations and field theory, we show that this material is proximate to a spin liquid described as a three-dimensional "slab" of a four-dimensional emergent electric field. The large degeneracy and robustness of this spin liquid, and additional chemical possibilities in the metal-organic frameworks beyond the pyrochlore structure, unlock a new door in frustrated magnetism.
dc.language.isoen
dc.title.enFrustration on a centred pyrochlore lattice in metal-organic frameworks
dc.typeDocument de travail - Pré-publication
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Mécanique statistique [cond-mat.stat-mech]
dc.identifier.arxiv2203.08780
bordeaux.hal.laboratoriesLaboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
hal.identifierhal-03617124
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03617124v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=NUTAKKI,%20Rajah&R%C3%96SS-OHLENROTH,%20Richard&VOLKMER,%20Dirk&JESCHE,%20Anton&VON%20NIDDA,%20Hans-Albrecht%20Krug&rft.genre=preprint


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