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Dimensional crossover in magnetic warwickites

dc.contributor.authorGuimaraes, Renato Bastospt_BR
dc.contributor.authorFernandes, Joao Carlospt_BR
dc.contributor.authorContinentino, Mucio Amadopt_BR
dc.contributor.authorBorges, Hortencio A.pt_BR
dc.contributor.authorMoura, Cassio Steinpt_BR
dc.contributor.authorCunha, Joao Batista Marimon dapt_BR
dc.contributor.authorSantos, Carlos Alberto dospt_BR
dc.date.accessioned2014-10-07T02:11:27Zpt_BR
dc.date.issued1997pt_BR
dc.identifier.issn0163-1829pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/104225pt_BR
dc.description.abstractWe present an investigation of the magnetic properties of a series of warwickites with different transition metals. These materials are characterized by one-dimensional structures called ribbons where the transition metals are randomly located. The present results allow for a systematic investigation of the hierarchy of magnetic interactions in these systems. While the intraribbon interactions are mainly direct d-d interactions between the transition-metal ions, the interribbon interaction is due to superexchange between metals in different octahedra mediated by the oxygen in the common corner.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. B, Condensed matter. New York. Vol. 56, no. 1 (July 1997), p. 292-299pt_BR
dc.rightsOpen Accessen
dc.subjectFísica da matéria condensadapt_BR
dc.subjectMagnetismo : Propriedades magneticas : Metais de transicao : Oxigeniopt_BR
dc.titleDimensional crossover in magnetic warwickitespt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000194855pt_BR
dc.type.originEstrangeiropt_BR


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