Abstract
As-quenched and stress field annealed FINEMET ribbons were irradiated with 246 MeV energy Kr, 470 MeV energy Xe and 720 MeV energy Bi ions and investigated by 57Fe Mössbauer spectroscopy and XRD methods. The change in relative areas of the 2nd and 5th lines in the Mössbauer spectra indicated significant changes in the magnetic anisotropy of both as-quenched and stress annealed FINEMET due to irradiation with swift heavy ions. Differences were observed between the effect of irradiations with various ions having different energy and fluence. The effect of irradiation on the magnetic orientation in FINEMET was explained in terms of radiation induced defects. The swift heavy ion irradiation can be applied to produce FINEMET ribbons with more favorable soft magnetic properties for technological applications.
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Kuzmann, E., Stichleutner, S., Sápi, A. et al. Mössbauer study of FINEMET type nanocrystalline ribbons irradiated with swift heavy ions. Hyperfine Interact 207, 73–79 (2012). https://doi.org/10.1007/s10751-011-0431-4
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DOI: https://doi.org/10.1007/s10751-011-0431-4