Authors | محمد الماسی کاشی-عبد العلی رمضانی-الهام گل افشان -منا عارف پور -الهام جعفری خمسه |
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Journal | PHYSICA B |
Presented by | دانشگاه کاشان |
Paper Type | Full Paper |
Published At | 2013-7-01 |
Journal Grade | ISI |
Journal Type | Typographic |
Journal Country | Aruba |
Journal Index | ISI ,SCOPUS |
Abstract
(CoFe)1xCux (x¼0.12–0.84) nanowirearrayswereac-pulseelectrodepositedintoanodicaluminum oxidetemplates.TheelectrodepositionwasperformedinaconstantelectrolytewhileCucontentwas controlled byoff-timebetweenpulses.Nanowireswith30nmdiameterandthecertainlengthswiththe both bcc-CoFeandfcc-Cuphaseswereobtained.Magnetizationandcoercivityofthenanowires decreased withincreasingtheCucontent.Annealingimprovedthecoercivityandaremarkableincrease in magnetizationofnanowireswithhighCucontentswasobserved.Atwo-phasetreatmentwasseenfor annealed sampleswithhighCucontents.Firstorderreversalcurvesshowedahardmagneticphasewith almost constantmagneticpropertiesandcoercivityof 2500Oe.Theresultsshowedthatmainsourceof the variousmagneticbehaviorsofthesamplesmaybeattributedtoincreaseinsoftmagneticphase. A singledomaintreatmentwithanarrowinteracting field andcoercive field distributionswasalso observed fortheannealedsampleswithhighCucontent.