Abstract
The comparison of the resonance magnetic absorption spectra with the data on structure and magnetic properties of Fe67Cr18B15 amorphous samples has shown that a randomly inhomogeneous medium of amorphous alloy is multiphase. Two types of samples with the same chemical composition, but with a different clusterized structure, and the use of (Ar+) ion irradiation in the experiment made it possible to separate four basic phases with different magnetic properties. The basic phase α-(Fe,Cr) contains large clusters of D < 400 Å in size with a tendency to phase separation of iron (α-Fe) and chromium (α-Cr), which under irradiation, enhances the competing FM and AFM magnetic interactions and increases the intensity of the resonance magnetic absorption lines associated with α-Fe and α-Cr. The phase Fe3B (D < 100 Å) is detected by independent line in the resonance absorption spectra only when its groupings are isolated from the α-(Fe,Cr) metal phase clusters. The fourth phase contains precluster groupings and disappears when the sample is irradiated.
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Okunev, V.D., Samoilenko, Z.A., Aleshkevych, P. et al. Effect of Ion (Ar+) Irradiation on Cluster Magnetism and Magnetic Interactions in Fe67Cr18B15 Amorphous Alloy. Phys. Solid State 61, 1727–1735 (2019). https://doi.org/10.1134/S1063783419100287
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DOI: https://doi.org/10.1134/S1063783419100287