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Magnetic interactions in the ludwigite Ni/sub 2/FeO/sub 2/BO/sub 3/

dc.contributor.authorFernandes, Joao Carlospt_BR
dc.contributor.authorGuimaraes, Renato Bastospt_BR
dc.contributor.authorContinentino, Mucio Amadopt_BR
dc.contributor.authorBorges, Hortencio A.pt_BR
dc.contributor.authorSulpice, A.pt_BR
dc.contributor.authorTholence, Jean-Louispt_BR
dc.contributor.authorSiqueira, Jesumar Lopespt_BR
dc.contributor.authorZawislak, Luci Irenept_BR
dc.contributor.authorCunha, Joao Batista Marimon dapt_BR
dc.contributor.authorSantos, Carlos Alberto dospt_BR
dc.date.accessioned2014-10-07T02:11:22Zpt_BR
dc.date.issued1998pt_BR
dc.identifier.issn1098-0121pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/104218pt_BR
dc.description.abstractWe present an investigation of the magnetic properties of the ludwigite Ni2FeO2BO3. This material is an oxyborate that presents in its crystalline structure subunits in the form of walls where the transition metal ions are located. Our Mossbauer, ac susceptibility, and magnetization measurements show that Fe and Ni ions form two independent subsystems in this material down to TN515 K. We explain this behavior in terms of a hierarchy of interactions.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. B, Condensed matter and materials physics. Woodbury. Vol. 58, no. 1 (July 1998), p. 287-292pt_BR
dc.rightsOpen Accessen
dc.subjectEfeito mossbauerpt_BR
dc.titleMagnetic interactions in the ludwigite Ni/sub 2/FeO/sub 2/BO/sub 3/pt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000224224pt_BR
dc.type.originEstrangeiropt_BR


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