Letter | Published:

Uranium Disilicide

Naturevolume 191pages6162 (1961) | Download Citation

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Abstract

A URANIUM–SILICON phase with a hexagonal C32-type structure, described by Zachariasen1 as stoichiometric β-USi2 and thought by Kaufmann, Cullity and Bitsianes2 to be deficient in silicon, was shown by us3 to be USi1.67(U3Si5). At the same time attention was directed to the existence of another phase with the C32 (AlB2)-type structure which was shown to be stoichiometric USi2. This phase is isostructural with β-ThSi2.

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References

  1. 1

    Zachariasen, W. H., Acta Cryst., 2, 94 (1949).

  2. 2

    Kaufmann, A. R., Cullity, B., and Bitsianes, G., Trans. Amer. Inst. Min. Met. Eng., 209, 203 (1957).

  3. 3

    Brown, A., and Norreys, J. J., Nature, 183, 673 (1959).

  4. 4

    Brown, A., and Norreys, J. J., J. Inst. Met., 89, 238 (1961).

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Author notes

    • ALLAN BROWN

    Present address: Institute of Chemistry, Uppsala University, Uppsala, Sweden

Affiliations

  1. Central Research Laboratories, The General Electric Co., Ltd., Hirst Research Centre, Wembley

    • ALLAN BROWN
    •  & J. J. NORREYS

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https://doi.org/10.1038/191061a0

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