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On the short-range order of amorphous Al−Au films

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Zeitschrift für Physik B Condensed Matter

Abstract

Al100−x Au x films (20≦x≦71) are produced by quench condensation. The analysis of electron diffraction patterns as well as resistivity measurements reveal the liquid-like structure of these films. In contrast to amorphous Al−Cu films the amorphous Al−Au filsm exhibit prepeaks in their interference functions. Atomic distances as large as the smallest Au−Au separations existing in the compound Al2Au are responsible for these prepeaks. The CaF2-type structure of this particular compound is due to an ionic bonding contribution in Al2Au. This bonding contribution, probably caused by the large electronegativity difference between Al and Au, seems to be responsible for the pronounced chemical short-range order in amorphous Al−Au films.

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Authors and Affiliations

  1. Physikalisches Institut der Universität, Engesserstrasse 7, D-7500, Karlsruhe, Germany

    W. Folberth, H. Leitz & J. Hasse

Authors
  1. W. Folberth
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  2. H. Leitz
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  3. J. Hasse
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Folberth, W., Leitz, H. & Hasse, J. On the short-range order of amorphous Al−Au films. Z. Physik B - Condensed Matter 43, 235–239 (1981). https://doi.org/10.1007/BF01297523

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  • DOI: https://doi.org/10.1007/BF01297523

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