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57Fe Mössbauer study of amorphous and nanocrystalline Fe73.5Nb3Cu1Si13.5B9 after neutron irradiation

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Abstract

57Fe Mössbauer spectroscopy is used to study neutron irradiation induced changes in the short-range order of Fe73.5Nb3Cu1Si13.5B9 alloy. The samples are investigated in both amorphous and nanocrystalline states. Neutron irradiation leads to an increase of the standard deviation of a hyperfine field distribution (HFD), implying rearrangement of the atoms towards disordering. Simultaneously, changes in the average value of the hyperfine field and a net magnetic moment position occur as a consequence of a spin reorientation, atom mixing and microscopic stress centres which are introduced by neutron irradiation.

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Authors and Affiliations

  1. Department of Nuclear Physics and Technology, Slovak Technical University, Ilkovičova 3, 812 19, Bratislava, Slovakia

    M. Miglierini, J. Sitek, Z. Szász & K. Vitázek

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  1. M. Miglierini
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  2. J. Sitek
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  3. Z. Szász
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  4. K. Vitázek
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Miglierini, M., Sitek, J., Szász, Z. et al. 57Fe Mössbauer study of amorphous and nanocrystalline Fe73.5Nb3Cu1Si13.5B9 after neutron irradiation. Hyperfine Interact 84, 295–299 (1994). https://doi.org/10.1007/BF02060677

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  • DOI: https://doi.org/10.1007/BF02060677

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