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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/31913
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dc.contributor.authorVaranda, L. C.-
dc.contributor.authorGoya, G. F.-
dc.contributor.authorMorales, M. P.-
dc.contributor.authorMarques, RFC-
dc.contributor.authorGodoi, RHM-
dc.contributor.authorJafelicci, M.-
dc.contributor.authorSerna, C. J.-
dc.date.accessioned2014-05-20T15:20:40Z-
dc.date.accessioned2016-10-25T17:53:50Z-
dc.date.available2014-05-20T15:20:40Z-
dc.date.available2016-10-25T17:53:50Z-
dc.date.issued2002-09-01-
dc.identifierhttp://dx.doi.org/10.1109/TMAG.2002.802816-
dc.identifier.citationIEEE Transactions on Magnetics. New York: IEEE-Inst Electrical Electronics Engineers Inc., v. 38, n. 5, p. 1907-1909, 2002.-
dc.identifier.issn0018-9464-
dc.identifier.urihttp://hdl.handle.net/11449/31913-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/31913-
dc.description.abstractMagnetic properties of acicular (similar to60 and similar to200 nm) iron particles, obtained by reduction of alumina-coated goethite particles, are reported. X-ray diffraction and Mossbauer spectroscopy showed that the particles consist of a alpha-Fe core and a thin surface layer of maghemite. Magnetization data indicated an improvement of similar to28% in the saturation magnetization, coercive field, and squareness for particles with similar to60 nm. This magnetic property enhancement of the present particles, whose size is 40% smaller than those commercially available, could result in a similar decrease of the bit-size for higher density of magnetic media.en
dc.format.extent1907-1909-
dc.language.isoeng-
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)-
dc.sourceWeb of Science-
dc.subjectcoercivitypt
dc.subjectmagnetic recordingpt
dc.subjectmagnetic variable measurementspt
dc.subjectmetal ultrafine particlespt
dc.subjectpassivationpt
dc.titleMagnetic properties of acicular ultrafine iron particlesen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionInst Ciência Mat-
dc.contributor.institutionUniv Antwerp-
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUniv São Paulo, Inst Fis, BR-05315970 São Paulo, SP, Brazil-
dc.description.affiliationInst Ciência Mat, Madrid 28029, Spain-
dc.description.affiliationUniv Antwerp, B-2610 Wilrijk, Belgium-
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.identifier.doi10.1109/TMAG.2002.802816-
dc.identifier.wosWOS:000178867200012-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofIEEE Transactions on Magnetics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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