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|Title:||A superferromagnetic approach for rapidly quenched Y60Fe30Al10 alloys|
|Citation:||Wang, L., Ding, J., Li, Y., Kong, H.Z., Feng, Y.P., Wang, X.Z. (2000-05-08). A superferromagnetic approach for rapidly quenched Y60Fe30Al10 alloys. Journal of Physics Condensed Matter 12 (18) : 4253-4262. ScholarBank@NUS Repository. https://doi.org/10.1088/0953-8984/12/18/310|
|Abstract:||The structural and magnetic properties of Y60Fe30Al10 melt-spun ribbons have been studied in this work. The experimental results indicate that Y60Fe30Al10 melt-spun ribbons are not homogeneous, i.e. Fe rich clusters are present. The magnetization curves for the ribbons melt spun at 5 and 30 m s-1 were analysed with a model based on superferromagnetism. It was found that this superferromagnetic model can be well applied to the ribbon melt spun at 30 m s-1. The Curie transition temperature TC system was confirmed by the plot of inverse susceptibility versus temperature. For the ribbon melt spun at 5 m s-1, inter-cluster interactions were much stronger and the microstructure was not uniform. Zero-field cooling and field cooling curves showed the cluster behaviour clearly. The Mössbauer results supported the existence of Fe rich clusters and interactions between clusters. © 2000 IOP Publishing Ltd.|
|Source Title:||Journal of Physics Condensed Matter|
|Appears in Collections:||Staff Publications|
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