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Some magnetic properties of nanoperm alloy after irradiation

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Czechoslovak Journal of Physics Aims and scope

Abstract

Transmission57Fe Mössbauer spectrometry was used to study the microstructural and magnetic changes induced by neutron irradiation of nanocrystalline Fe-Zr-B alloy. Measurements were performed in the temperature range from 77 K up to 500 K. The evolutions of both the hyperfine field distribution, the average hyperfine field value, the mean orientation of the ferromagnetic domains and the value of the Curie temperature are consistent with short-range atomic order changes resulting from the neutron irradiation damages. In addition, the neutron irradiation affects significantly the proportions of amorphous, crystalline and interfacial phases. The results of Mössbauer spectrometry were correlated with those obtained by X-ray diffraction.

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Authors and Affiliations

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

    J. Degmová & J. Sitek

  2. Laboratoire de Physique de l’Etat Condensé, UPRESA CNRS 6087, Université du Maine, F72085, Le Mans Cedex, France

    J. -M. Grenèche

Authors
  1. J. Degmová
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  2. J. Sitek
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  3. J. -M. Grenèche
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Additional information

The master ribbons were supplied by Dr. P. Duhaj. This work was partly supported by grants Vega 1/7631/20, Vega 1/5103/98 and Vega Franc/Slov/1 and J. D. is grateful for a grant from the French Government for supporting her stay in Le Mans.

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Degmová, J., Sitek, J. & Grenèche, J.M. Some magnetic properties of nanoperm alloy after irradiation. Czech J Phys 51, 703–710 (2001). https://doi.org/10.1023/A:1017606117463

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