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Magnetic “doublets” in Mössbauer spectra of superparamagnetic particles

  • Condensed Matter
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Abstract

It is shown that the Mössbauer magnetic hfs spectra of a superparamagnetic particle are cardinally affected by the rotation of its magnetic moment about the magnetic anisotropy field. This rotation renormalizes the nuclear g factors and qualitatively transforms the spectra. In particular, apart from the well-known magnetic sextet, five, four, three, and even two (magnetic “doublet”) lines can arise in the 57Fe absorption spectra.

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Authors and Affiliations

  1. Institute of Physics and Technology, Russian Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117218, Russia

    A. M. Afanas’ev & M. A. Chuev

Authors
  1. A. M. Afanas’ev
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  2. M. A. Chuev
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 77, No. 8, 2003, pp. 489–493.

Original Russian Text Copyright © 2003 by Afanas’ev, Chuev.

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Afanas’ev, A.M., Chuev, M.A. Magnetic “doublets” in Mössbauer spectra of superparamagnetic particles. Jetp Lett. 77, 415–419 (2003). https://doi.org/10.1134/1.1587175

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  • DOI: https://doi.org/10.1134/1.1587175

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