Decoupling of orbital and spin degrees of freedom in Li1-xNaxNiO2

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dc.creatorHopzapfel, M.
dc.creatorDebrion, S.
dc.creatorDarie, C.
dc.creatorBordet, P.
dc.creatorChouteau, G.
dc.creatorStrobel, P.
dc.creatorSulpice, A.
dc.creatorNunez-Regueiro, M. D.
dc.creatorChappel, Eric
dc.date2004-03-12
dc.date2004-10-01
dc.date.accessioned2026-07-07T02:56:56Z
dc.date.available2026-07-07T02:56:56Z
dc.descriptionIn the Li1-xNaxNiO2 solid solutions three different single phase regions exist: for x > 0.9, forx = 0.7 and for x < 0.3. Although the intermediate compound does not show the cooperative Jahn-Teller transition of NaNiO2, its magnetic properties remain very similar with, in particular, the low temperature 3D magnetic ordering. Therefore, the strong coupling between orbital and spindegrees of freedom, characteristic of other oxides like perovskites, and usually invoked to explainthe absence of both long-range orbital and magnetic ordering in LiNiO2, seems not to take placein these layered compounds with 90-degree bonds. We also discuss the relevance of the O crystal fieldsplitting induced by the trigonal distortion, in generating AFM Ni-Ni in-plane interactions.
dc.identifierhttps://arxiv.org/abs/cond-mat/0403329
dc.identifierhttp://arxiv.org/abs/cond-mat/0403329
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23521
dc.subjectStrongly Correlated Electrons
dc.titleDecoupling of orbital and spin degrees of freedom in Li1-xNaxNiO2
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