Authors | عبد العلی رمضانی-محمد الماسی کاشی-شهرزاد قنبری جهرمی-فاطمه اسحقی |
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Journal | J MAGN MAGN MATER |
Paper Type | Full Paper |
Published At | ۲۰۱۲-۵-۰۱ |
Journal Grade | ISI |
Journal Type | Typographic |
Journal Country | Iran, Islamic Republic Of |
Journal Index | ISI ,SCOPUS |
Abstract
CoxFe1x nanowirearrayswithvariousdiametersanddifferentcompositionwerefabricatedbyac electrodepositionusingporousaluminatemplate.Coercivityalongtheeasyaxisreachestoamaximum at 2330Oe,forCoxFe1x nanowirescontainingabout40at%Co.Thecrystallinestructureofthe nanowireswasconcentration-independentandshowsabccstructure.Thecriticaldiameterfor transitionfromcoherentrotationtocurlingmodeis35nmforCoFecontaininglessthan40at%Co while itis30nmforthosewithmorethan40at%Co.OptimizingthemagneticpropertiesofCoFewith differentCocontentwasseentobedependentonthediameterofnanowires.For25nmdiameter,the optimumwasshownbelow50at%Cowhileitwasseenabove50at%fornanowireswith50nm diameter.Theangulardependenceofthecoercivitywithnanowiresdiameterwerealsostudied.