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
Zachariasen, W. H., Acta Cryst., 2, 94 (1949).
Kaufmann, A. R., Cullity, B., and Bitsianes, G., Trans. Amer. Inst. Min. Met. Eng., 209, 203 (1957).
Brown, A., and Norreys, J. J., Nature, 183, 673 (1959).
Brown, A., and Norreys, J. J., J. Inst. Met., 89, 238 (1961).
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BROWN, A., NORREYS, J. Uranium Disilicide. Nature 191, 61–62 (1961). https://doi.org/10.1038/191061a0
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DOI: https://doi.org/10.1038/191061a0
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