Original Paper

Temperature dependence of magnetic microstructure in Fe76Mo8Cu1B15 nanocrystalline alloy

  1. M. Miglierini1,
  2. J. Degmová1,
  3. T. Kaňuch1,
  4. J.-M. Grenèche2

Article first published online: 1 DEC 2004

DOI: 10.1002/pssa.200405438

Issue

physica status solidi (a)

physica status solidi (a)

Volume 201, Issue 15, pages 3280–3284, December 2004

Additional Information

How to Cite

Miglierini, M., Degmová, J., Kaňuch, T. and Grenèche, J.-M. (2004), Temperature dependence of magnetic microstructure in Fe76Mo8Cu1B15 nanocrystalline alloy. phys. stat. sol. (a), 201: 3280–3284. doi: 10.1002/pssa.200405438

Author Information

  1. 1

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

  2. 2

    Laboratoire de Physique de l'Etat Condensé, UMR CNRS 6087, Université du Maine, Faculté des Sciences, 72085 Le Mans Cedex 9, France

Publication History

  1. Issue published online: 1 DEC 2004
  2. Article first published online: 1 DEC 2004
  3. Manuscript Accepted: 2 NOV 2004
  4. Manuscript Received: 27 JUN 2004

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Keywords:

  • 75.50.Bb;
  • 75.50.Tt;
  • 75.75.+a;
  • 76.80.+y

Abstract

Fe76Mo8Cu1B15 nanocrystalline alloy featuring close-to-room Curie temperature of 310 K proves to be suitable for model case studies of complexity of magnetic interactions. Annealed samples with different contents of nanocrystallites are characterized by 57Fe transmission Mössbauer spectrometry performed in a wide temperature range (77–673 K). The validity of the temperature dependences of hyperfine parameters is discussed for all structural components including amorphous residual phase, bcc Fe nanocrystals and interface regions located in between the former two. Cautions which must be considered in deriving information about their relative contents are pointed out, because of the presence of static and dynamic effects at high temperatures due to non-interacting and weakly interacting single domain ferromagnetic grains dispersed into a paramagnetic amorphous matrix. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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