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dc.contributor.authorHerrero-Albillos, Juliaes_ES
dc.contributor.authorBartolomé, Fernandoes_ES
dc.contributor.authorGarcía, L. M.es_ES
dc.contributor.authorYoung, A. T.es_ES
dc.date.accessioned2015-09-15T09:56:56Z-
dc.date.available2015-09-15T09:56:56Z-
dc.date.issued2012-
dc.identifier.citationICM 2012es_ES
dc.identifier.urihttp://hdl.handle.net/10261/122095-
dc.descriptionResumen del póster presentado a la 19th International Conference on Magnetism celebrada en Korea del 8 al 13 de julio de 2012.es_ES
dc.description.abstractHund’s rules were originally developed in an atomistic picture, and it is therefore surprising that they also hold, almost universally, for molecules and solids. Here we report the first experimental example of a breakdown of Hund’s third rule in an intrinsic magnetic moment: the Co 3d moment of the unorthodox ferrimagnet ErCo2. The application of magneto-optical sum rules to X-ray magnetic circular dichroic spectra allows for the determination of the Co orbital and spin magnetic moments both in the ferrimagnetic and paramagnetic phases of ErCo2. In agreement with the predictions of Hund’s third rule, Co orbital and spin moments are parallel throughout the overall temperature range, except in a narrow temperature window within the paramagnetic phase, in which they are overall coupled antiparallel. A qualitative consideration of the balance between the interatomic and intra-atomic interactions acting on the cobalt atoms explains the phenomenon. This situation also leads to the observation of other exotic forms of magnetism in solids, such as a “pure” spin or a “pure” orbital moment on the same compound at selected temperature and fields.es_ES
dc.language.isoenges_ES
dc.rightsclosedAccesses_ES
dc.titleBreakdown of Hund’s third rule for intrinsic magnetic momentses_ES
dc.typepóster de congresoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.csices_ES
Appears in Collections:(ICMA) Comunicaciones congresos
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