Magnetic behaviorofas-depositedandannealedCoFeandCoFeCu nanowirearraysbyac-pulseelectrodeposition

Authorsعبد العلی رمضانی,محمد الماسی کاشی,الهام گل افشان ,منا عارف پور
JournalJ CRYST GROWTH
Page number42
Volume number402
IF1.698
Paper TypeFull Paper
Published At2014-05-11
Journal GradeScientific - research
Journal TypeElectronic
Journal CountryIran, Islamic Republic Of
Journal IndexJCR ,SCOPUS

Abstract

CoFe andCoFeCuself-organizedalloynanowiresweregrownintoanodicaluminumoxidetemplateby potentiostaticmodeofac-pulseelectrodepositiontechniqueandsubsequentlyannealedat580 1C. The influence ofbathcomposition,off-timebetweenpulsesandannealingtreatmentontheCucontent, microstructureandmagneticpropertiesofCoFeCunanowirearrayshavebeendiscussed.Increasingthe off-time betweenpulsesdecreasedthecoercivityandsaturationmagnetizationoftheCoFeCunanowires due tosubstitutionofCoandFewithCuatomswhichresultedinelectrolessprocess.Coercivityand squarenessoftheannealedsamplesincreasedduetoimprovementofsamplescrystallinity.Magnetic measurements showedhighperpendicularmagneticanisotropyofthenanowireswitheasyaxisparallel to nanowiresaxis.X-raydiffractionresultsindicatedthatannealedCoFeCunanowireswerepolycrystal- line withtwodistinctCoFeandCuphases.

tags: A2. Electrochemiclgrowth B1.Alloys B1.Nanomaterials B2. Magneticmaterials