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119Sn Mössbauer study of the CePtSn Kondo compound

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Abstract

We have measured119Sn Mössbauer spectra of the CePtSn and (Ce0.9La0.1)NiSn compounds in the range from 1.5 to 293 K. In CePtSn, the spectra observed above 8 K are well explained by an electric quadrupole interaction. The spectral shape changes below 8 K due to the presence of a magnetic hyperfine field produced by the ordering of the Ce magnetic moments. We have analyzed these spectra assuming an incommensurate magnetic structure. The temperature dependence of the magnetic hyperfine field matches with anS=1/2 mean field curve with a step at 5 K. In (Ce0.9La0.1)NiSn, no magnetic order exists down to 1.5 K.

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Author notes

  1. H. Kobayashi

    Present address: Department of Physics, Tohoku University, Kawauchi, 980, Sendai, Japan

Authors and Affiliations

  1. Physik Department, Technische Universität München, D-8046, Garching, Germany

    H. Kobayashi, F. E. Wagner & G. M. Kalvius

  2. Faculty of Integrated Arts and Science, Hiroshima University, 724, Higashi-Hiroshima, Japan

    T. Takabatake

Authors
  1. H. Kobayashi
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  2. F. E. Wagner
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  3. G. M. Kalvius
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  4. T. Takabatake
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Kobayashi, H., Wagner, F.E., Kalvius, G.M. et al. 119Sn Mössbauer study of the CePtSn Kondo compound. Hyperfine Interact 93, 1515–1519 (1994). https://doi.org/10.1007/BF02072902

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