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The influence of residual stress and crystallite size on the magnetic properties of electrodepo sited nanocrystalline Pd-Co alloys

dc.contributor.authorNoce, R. D.
dc.contributor.authorBarelli, Nilso [UNESP]
dc.contributor.authorMarques, Rodrigo Fernando Costa [UNESP]
dc.contributor.authorSumodjo, P. T. A.
dc.contributor.authorBenedetti, Assis Vicente [UNESP]
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:27:29Z
dc.date.available2014-05-20T15:27:29Z
dc.date.issued2007-11-15
dc.description.abstractNanocrystalline Pd-Co alloys were obtained by electrodeposition from an ammoniacal chloride bath. The influence of the crystallite size and the residual stress on the magnetic properties of the alloys was investigated. The residual stress increased as the applied current density was increased. It was associated to the high nucleation rate during electrodeposition and correlated to the lattice strain, estimated from the XRD patterns. Also from the XRD patterns the average crystallite size and the lattice constant were determined by Scherrer's and Rietveld's methods, respectively. Both parameters were directly influenced by the applied current density. Magnetic properties such as coercivity, remanence, saturation magnetization and squareness showed strong dependence on the residual stress and crystallite size. Coercivity higher than 1 kOe was achieved when a high current density was applied. High coercivity was attributed to the presence of residual stress and to the small crystallite size of deposits. (C) 2007 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv São Paulo, Inst Quim, BR-05508900 São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.format.extent107-113
dc.identifierhttp://dx.doi.org/10.1016/j.surfcoat.2007.04.082
dc.identifier.citationSurface & Coatings Technology. Lausanne: Elsevier B.V. Sa, v. 202, n. 1, p. 107-113, 2007.
dc.identifier.doi10.1016/j.surfcoat.2007.04.082
dc.identifier.issn0257-8972
dc.identifier.lattes2115942621694174
dc.identifier.orcid0000-0003-0195-3885
dc.identifier.urihttp://hdl.handle.net/11449/37450
dc.identifier.wosWOS:000250889800013
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofSurface & Coatings Technology
dc.relation.ispartofjcr2.906
dc.relation.ispartofsjr0,928
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectelectroplatingpt
dc.subjectPd-co alloyspt
dc.subjectX-ray diffractionpt
dc.subjectmagnetic propertiespt
dc.titleThe influence of residual stress and crystallite size on the magnetic properties of electrodepo sited nanocrystalline Pd-Co alloysen
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.author.lattes1769008264876945[5]
unesp.author.lattes2115942621694174[3]
unesp.author.orcid0000-0002-0243-6639[5]
unesp.author.orcid0000-0003-0195-3885[3]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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