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Martensitic transformation in La1−x Yb x Ag1−y In y

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Zeitschrift für Physik B Condensed Matter

Abstract

The structural phase transformation of La1−x Yb x Ag1−y In y has been studied on single crystals by low temperature Laue-technique. The martensitic transformation in this pseudobinary intermetallic alloy has to be characterized as a weak orthorhtombic distortion of a single I centered unit cell (c/a≈1.04;a/b≈1.006) and a collective slipping or twinning of these cells that gives a fixed orientation between the remaining cubic room temperature structure and the martensitic phase. Above room temperature exists an order-disorder transformation from the CsCl-B2 structure to an at room temperature metastable W-A2 structure. There is no dramatic change in the physical properties of this alloy by substituting La by Yb, so we may approximate our results to LaAg1−y In y .

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Authors and Affiliations

  1. Institut für Experimentalphysik IV der Ruhr-Universität Bochum, Universitätsstrasse 150 Gebäude NB4/130, D-4630, Bochum, Germany

    G. Daub & H. Bach

Authors
  1. G. Daub
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  2. H. Bach
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This paper is dedicated to Prof. Dr. S. Methfessel on the occasion of his 60th birthday

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Daub, G., Bach, H. Martensitic transformation in La1−x Yb x Ag1−y In y . Z. Physik B - Condensed Matter 51, 209–213 (1983). https://doi.org/10.1007/BF01307676

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  • DOI: https://doi.org/10.1007/BF01307676

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