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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66625
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dc.contributor.authorVaranda, L. C.-
dc.contributor.authorJafelicci, M.-
dc.contributor.authorGoya, G. F.-
dc.date.accessioned2014-05-27T11:20:19Z-
dc.date.accessioned2016-10-25T18:17:15Z-
dc.date.available2014-05-27T11:20:19Z-
dc.date.available2016-10-25T18:17:15Z-
dc.date.issued2001-12-01-
dc.identifierhttp://dx.doi.org/10.1016/S0304-8853(00)00668-5-
dc.identifier.citationJournal of Magnetism and Magnetic Materials, v. 226-230, n. PART II, p. 1933-1935, 2001.-
dc.identifier.issn0304-8853-
dc.identifier.urihttp://hdl.handle.net/11449/66625-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/66625-
dc.description.abstractSpindle-type iron fine particles have been prepared by reduction of silica-coated-hematite particles. Hydrogen reduction of the coated-hematite cores yielded uniform spindle-type iron particles, which were stabilized by surface oxidation. Narrow particle distributions are observed from TEM measurements. X-ray, Mössbauer and magnetization data are in agreement with the presence of nanosized α-Fe particles, having surface layer of spinel structure oxide. Mössbauer spectra show that the oxide surface is superparamagnetic at room temperature. © 2001 Elsevier Science B.V. All rights reserved.en
dc.format.extent1933-1935-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectFine particles-
dc.subjectIron particles-
dc.subjectMagnetic pigments-
dc.subjectMagnetic recording media-
dc.subjectHematite particles-
dc.subjectHydrogen reduction-
dc.subjectIron-fines-
dc.subjectMagnetization data-
dc.subjectMossbauer-
dc.subjectNano-sized-
dc.subjectOxide surface-
dc.subjectParticle distributions-
dc.subjectRoom temperature-
dc.subjectSilica-Coated-
dc.subjectSpinel structure-
dc.subjectSuperparamagnetics-
dc.subjectSurface layers-
dc.subjectSurface oxidations-
dc.subjectTEM-
dc.subjectHematite-
dc.subjectIron ores-
dc.subjectMagnetic devices-
dc.subjectMagnetic properties-
dc.subjectMagnetic recording-
dc.subjectMagnetism-
dc.subjectMolybdenum oxide-
dc.subjectReaction kinetics-
dc.subjectSilica-
dc.subjectSuperparamagnetism-
dc.subjectSurface structure-
dc.subjectMagnetic bubbles-
dc.titleMagnetic properties of spindle-type iron fine particles obtained from hematiteen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationDepto de Físico-Química Instituto de Química UNESP, Rua Prof. Francisco Degni, s/n, Araraquara, 14801-970 SP-
dc.description.affiliationInstituto de Física Universidade de São Paulo, CP 66318, São Paulo 05315-970 SP-
dc.description.affiliationUnespDepto de Físico-Química Instituto de Química UNESP, Rua Prof. Francisco Degni, s/n, Araraquara, 14801-970 SP-
dc.identifier.doi10.1016/S0304-8853(00)00668-5-
dc.identifier.wosWOS:000170628400311-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Magnetism and Magnetic Materials-
dc.identifier.scopus2-s2.0-33748695284-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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