Abstract
In Fe-Cu alloys prepared by pulsed electrodeposition, Fe clusters form directly within a non-magnetic Cu matrix. The clusters contain around 140 Fe atoms and are superparamagnetic at room temperature. Below 160 K, it is proposed that the clusters order into a so-called superferromagnetic arrangement. This behaviour is ascribed to the persistence of weak exchange interactions mediated by isolated Fe atoms dispersed within the non-magnetic Cu matrix. © 2009 Sociedade Brasileira de Física.
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Barthem, V. M. T. S., Noce, R. D., Macedo, W. A. A., & Givord, D. (2009). Magnetic properties of electrodeposited Fe-poor Fe-Cu alloys. Brazilian Journal of Physics, 39(1A), 182–185. https://doi.org/10.1590/S0103-97332009000200010
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