Tailoring Fe/Ag Superparamagnetic Composites by Multilayer Deposition
classification
❄️ cond-mat.mtrl-sci
keywords
layersmagneticsuperparamagneticferromagneticpropertiescompositescontributiondeposition
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The magnetic properties of Fe/Ag granular multilayers were examined by SQUID magnetization and Mossbauer spectroscopy measurements. Very thin (0.2 nm) discontinuous Fe layers show superparamagnetic properties that can be tailored by the thickness of both the magnetic and the spacer layers. The role of magnetic interactions was studied in novel heterostructures of superparamagnetic and ferromagnetic layers and the specific contribution of the ferromagnetic layers to the low field magnetic susceptibility was identified.
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