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Investigation of the magnetic behavior and structural chemistry within the pseudobinary silicide system CeOs x Ru2−x Si2

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Zeitschrift für Physik B Condensed Matter

Abstract

The crystal chemistry and the magnetism in the pseudobinary system CeOs x Ru2−x Si2 has been investigated in the temperature range of 1.5 K to 1,100 K and for various concentrations. From Guinier X-ray powder diffractometry all alloys were found to be isostructural and to crystallize with the ThCr2Si2-type of structure. No significant deviations from the ThCr2Si2-atomic order and symmetry were observed in the as-cast alloys with respect to those heat treated at 1,000°C and at 500°C, quenched. From magnetic susceptibilities it is shown that the 4f-electrons demagnetize at low temperatures. The data were interpreted in terms of interconfiguration fluctuations, based on a model derived by Sales and Wohlleben. A maximum valence change is observed in CeOs1.4Ru0.6Si2, ranging from 3.27 at 700 K to 3.70 at 5 K.

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Authors and Affiliations

  1. Institut für Physikalische Chemie, Universität Wien, IX., Währingerstrasse 42, A-1090, Wien, Austria

    K. Hiebl, C. Horvath & P. Rogl

  2. Baker Laboratory of Chemistry, Cornell University, 4853, Ithaca, New York, USA

    M. J. Sienko

Authors
  1. K. Hiebl
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  2. C. Horvath
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  3. P. Rogl
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  4. M. J. Sienko
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Hiebl, K., Horvath, C., Rogl, P. et al. Investigation of the magnetic behavior and structural chemistry within the pseudobinary silicide system CeOs x Ru2−x Si2 . Z. Physik B - Condensed Matter 56, 201–205 (1984). https://doi.org/10.1007/BF01304173

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  • DOI: https://doi.org/10.1007/BF01304173

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