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Structural study of semiconducting glassy alloy As0.20Se0.30Te0.50

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Abstract

The radial distribution function (RDF) of the semiconducting glassy alloy As0.20Se0.30Te0.50 was obtained by X-ray diffraction. Once the hypotheses on the local order of the alloy had been formulated, the RDF analysis made it possible to evaluate them, referring specifically to the coordination of the As. On this basis, and using the semi-random Metropolis-Monte Carlo method, a structural model was generated whose calculated RDF would agree with the experimental RDF. From this model, structural parameters, such as atomic distances and bond angles between the different possible pairs of atoms in each element, were deduced, and are proposed as a good statistical description of the glass under study.

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Authors and Affiliations

  1. Facultad de Ciencias, Universidad de Cädiz, Apartamendo 40, Puerto Real, Cádiz, Spain

    R. A. Ligero, M. Casas-ruiz, J. Vázquez & P. Villares

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  1. R. A. Ligero
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  2. M. Casas-ruiz
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  3. J. Vázquez
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  4. P. Villares
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Ligero, R.A., Casas-ruiz, M., Vázquez, J. et al. Structural study of semiconducting glassy alloy As0.20Se0.30Te0.50 . J Mater Sci 27, 1001–1007 (1992). https://doi.org/10.1007/BF01197653

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