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dc.contributor.authorPena, O.-
dc.contributor.authorMoure, C.-
dc.contributor.authorBodenez, V.-
dc.contributor.authorCailleaux, X.-
dc.contributor.authorPiriou, B.-
dc.contributor.authorOrtiz, J.-
dc.contributor.authorZúñiga, G.-
dc.contributor.authorGautier, J. L.-
dc.contributor.authorLisboa Filho, Paulo Noronha-
dc.identifier.citationJournal of the Chilean Chemical Society, v. 50, n. 3, p. 169-181, 2005.-
dc.description.abstractNew materials, based on the well-known spinel compound NiMn 2O4, have been synthesized and characterized from the magnetic point of view. The manganese cation was partially substituted in the general formula NiMn2-xMexO4, by nonmagnetic and magnetic elements, such as Me = Ga, Zn, Ni and Cr (0 × 1). Prior to the determination of their magnetic properties, the non-substituted spinel NiMn2O4 was carefully characterized and studied as a function of the oxygen stoichiometry, based on the influence of the annealing atmosphere and quenching rate. The ferrimagnetic character was observed in all samples, with a paramagnetic-to-ferromagnetic transition temperature T c stabilized at 110 K, and well defined long-range antiferromagnetic interactions at lower temperatures, which depend on the applied field and the substitute concentration. © 2006 Sociedad Chilena de Química.en
dc.subjectFerrimagnetic properties-
dc.subjectMagnetic exchange-
dc.subjectMagnetic oxides-
dc.titleMagnetic properties of spinel-type oxides NiMn2-xMexO4en
dc.contributor.institutionInstitut de Chimie de Rennes-
dc.contributor.institutionUniversidad de Santiago-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationChimie du Solide et Inorganique Moléculaire UMR 6511 Institut de Chimie de Rennes, 35042 Rennes cedex-
dc.description.affiliationInstitute de Cerámica y Vidrio CSIC Campus de Cantoblanco, 28049 Madrid-
dc.description.affiliationLEFQS Dpto. de Química de Materiales Facultad de Química y Biología Universidad de Santiago, 7254758 Santiago-
dc.description.affiliationDepartamento de Física Universidade Estadual Paulista (UNESP), 17033-360, Bauru SP-
dc.description.affiliationUnespDepartamento de Física Universidade Estadual Paulista (UNESP), 17033-360, Bauru SP-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of the Chilean Chemical Society-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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