| Authors | محمد الماسی کاشی-عبد العلی رمضانی-الهام گل افشان -منا عارف پور -الهام جعفری خمسه |
|---|---|
| Journal | PHYSICA B |
| Paper Type | Full Paper |
| Published At | ۲۰۱۳-۷-۰۱ |
| Journal Grade | ISI |
| Journal Type | Typographic |
| Journal Country | Iran, Islamic Republic Of |
| 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.