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|標題:||Fe/FeO/Fe/FeV Multilayers Characterized by Magnetometry and Polarized Neutron Reflectometry||作者:||Sara J. Callori
Grace L. Causer
László F. Kiss
|關鍵字:||Nanomagnetics;magnetism in solids;magnetic thin films;exchange bias;polarized neutron reflectometry||出版社:||IEEE MAGNETICS LETTERS||Project:||IEEE MAGNETICS LETTERS, Volume 8, 4102205||摘要:||
We use argon ion-bombardment during Fe layer deposition as a way to tailor the structural and magnetic properties of bilayer and multilayer systems containing Fe/FeV components. We present structural and magnetic results on Fe/FeV bilayer and Fe/Fe-oxide/Fe/FeV multilayer systems. Magnetization measurements were taken over a range of temperatures and show the expected ferromagnetic behavior for the Fe/FeV bilayer. The Fe/Fe-oxide/Fe/FeV multilayer demonstrates an enhanced coercivity and exchange bias at low temperatures, both due to the presence of the antiferromagnetic Fe-oxide layer. Polarized neutron reflectometry results (scattering length density depth profile and neutron spin asymmetry) were used to identify mixed interfacial layers resulting from ion-bombardment. These demonstrated a lower magnetic moment than bulk Fe layers and may undergo a reversal process that differs from non-mixed layers within the sample.
|Appears in Collections:||材料科學與工程學系|
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