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Surface and bulk Mössbauer effect studies of annealed NANOPERM-type alloys

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Czechoslovak Journal of Physics Aims and scope

Abstract

Structure, hyperfine interactions, and magnetic behaviour of Fe80M7Cu1B12 (M=Mo, Nb, Ti) nanocrystalline alloys are studied by Mössbauer spectrometry. As-quenched and heat-treated specimens are investigated. Transmission and Conversion Electron Mössbauer effect techniques are used to compare surface and bulk crystallization as a function of annealing temperature with the aim to unveil the crystallization onset. In addition, magnetic structure comprising distributions of hyperfine fields is discussed as a function of composition and annealing temperature. Hyperfine field distributions are obtained separately for the amorphous residual phase and for interface regions. Crystalline phases are represented by discrete components.

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Authors and Affiliations

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

    M. Miglierini & M. Seberíni

  2. Laboratoire de Physique de l’Etat Condensé, UPRESA CNRS 6087, Faculté des Sciences, Université du Maine, F-72085, Le Mans Cedex 9, France

    J. -M. Grenèche

Authors
  1. M. Miglierini
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  2. M. Seberíni
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  3. J. -M. Grenèche
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Additional information

This work is supported by the grants 1/8305/01 and Franc/Slov/1. Samples were supplied by courtesy of Dr. B. Idzikowski from Poznan.

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Miglierini, M., Seberíni, M. & Grenèche, J.M. Surface and bulk Mössbauer effect studies of annealed NANOPERM-type alloys. Czech J Phys 51, 677–683 (2001). https://doi.org/10.1023/A:1017649832484

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  • DOI: https://doi.org/10.1023/A:1017649832484

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