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Giant magnetoresistance and remanence in granular cocu codeposited films

dc.contributor.authorViegas, Alexandre da Caspt_BR
dc.contributor.authorGeshev, Julian Penkovpt_BR
dc.contributor.authorSchmidt, Joao Edgarpt_BR
dc.contributor.authorFerrari, Edson Fernandopt_BR
dc.date.accessioned2014-05-20T02:04:50Zpt_BR
dc.date.issued1998pt_BR
dc.identifier.issn0021-8979pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/95408pt_BR
dc.description.abstractWe present experimental magnetoresistance, magnetization, and remanence data for CoCu granular films obtained by electron beam codeposition, subsequently submitted to a thermal treatment. The magnetization measurements show coexistence of superparamagnetic and ferromagnetic (or blocked superparamagnetic) Co grains. By modeling the experimental magnetization curves, the distribution function of the superparamagnetic particle size, the volume fraction of the blocked part of the Co particles, and their saturation magnetization are obtained. M plots are constructed using the remanence curves. A correlation between the changes of the M parameters and those of the giant magnetoresistance, caused by the annealing, is discussed.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofJournal of Applied Physics. Woodbury. Vol. 83, no. 11 (June 1998), p. 7007-7009pt_BR
dc.rightsOpen Accessen
dc.subjectÁreas clássicas de fenomenologia e suas aplicaçõespt_BR
dc.subjectMagnetorresistênciapt_BR
dc.subjectMagnetismopt_BR
dc.subjectFilmes finospt_BR
dc.titleGiant magnetoresistance and remanence in granular cocu codeposited filmspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000216699pt_BR
dc.type.originEstrangeiropt_BR


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