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Disordered Magnetic Phase in Partially Oxidized Bulk Nanocrystalline Iron

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Czechoslovak Journal of Physics Aims and scope

Abstract

Magnetically frozen partially disordered state was observed in nanocrystalline bulk iron prepared by ball-milling of microcrystalline Fe. Role of nanostructure and oxidized fraction is pointed out. Altough we have found a small constituent which is proportional to 1/T in the ZFC curve, the magnetization scaling with T 3/2 at high fields and the hysteretic behavior in FC-ZFC curves signalizes the presence of frozen ferromagnet at low temperatures.

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Authors and Affiliations

  1. Institute of Nuclear Research, Hungarian Acad. Sci., H-4001, Debrecen, POB 51, Hungary

    J. Hakl, L. Kerekes, S. Mészáros, K. Vad, P. Gurin, M. Kis-Varga & I. Uzonyi

  2. Department of Solid State Physics, University of Debrecen, H-4010, Debrecen, POB 2, Hungary

    S. Szabó & D. L. Beke

Authors
  1. J. Hakl
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  2. L. Kerekes
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  3. S. Mészáros
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  4. K. Vad
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  5. P. Gurin
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  6. M. Kis-Varga
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  7. I. Uzonyi
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  8. S. Szabó
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  9. D. L. Beke
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Hakl, J., Kerekes, L., Mészáros, S. et al. Disordered Magnetic Phase in Partially Oxidized Bulk Nanocrystalline Iron. Czechoslovak Journal of Physics 52, 151–154 (2002). https://doi.org/10.1023/A:1014438822219

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  • DOI: https://doi.org/10.1023/A:1014438822219

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