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Ion irradiation effects on the exchange bias in IrMn/Co films

dc.contributor.authorSchäfer, Deisept_BR
dc.contributor.authorGrande, Pedro Luispt_BR
dc.contributor.authorPereira, Luis Gustavopt_BR
dc.contributor.authorGeshev, Julian Penkovpt_BR
dc.date.accessioned2014-06-10T02:05:17Zpt_BR
dc.date.issued2011pt_BR
dc.identifier.issn0021-8979pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/96289pt_BR
dc.description.abstractThe present work reports on the influence of ion irradiation in exchange-coupled bilayers. Magnetron-sputtered IrMn4 /Co films were irradiated with 40 keV He+ ions and the dependence of their magnetic properties was studied as function of ion fluence and current used during the irradiations. The effects of ion damage and electronic excitation were also studied through additional irradiations with H+ and Ne+ ions. The results show a clear dependence of the exchange-bias field on the defects caused by the ion bombardment. No correlations with other irradiation effects were observed.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofJournal of applied physics. Melville. Vol. 109, no. 2 (Jan. 2011), 023905, 4 p.pt_BR
dc.rightsOpen Accessen
dc.subjectFísica da matéria condensadapt_BR
dc.subjectMulticamadas magnéticaspt_BR
dc.subjectEfeitos de feixe iônicopt_BR
dc.subjectCobaltopt_BR
dc.subjectLigas de manganêspt_BR
dc.subjectPolarização por intercâmbiopt_BR
dc.titleIon irradiation effects on the exchange bias in IrMn/Co filmspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000793251pt_BR
dc.type.originEstrangeiropt_BR


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