Abstract
IN many alloys of copper, silver, and gold with the elements of the B-sub-groups, the phase next to the α solid solution has a composition near that required by an electron concentration of 1˙5, and for convenience these may be called the 3/2 electron compounds. The crystal structures of these are of three types: (1) body-centred cubic structures, either disordered (β) or ordered (β′); (2) close-packed hexagonal types (ζ or ζ′); (3) (β-manganese type (denoted μ).
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Formation of 3/2 Electron Compounds in Alloys of Copper, Silver, and Gold. Nature 146, 528 (1940). https://doi.org/10.1038/146528a0
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DOI: https://doi.org/10.1038/146528a0