Abstract
Angular correlation measurements on the fcc solid solutions of Cu−Ge and Cu−Si alloys have been carried out on single crystals with four crystallographic orientations by a crossed-slit geometry. The results on both the alloys are nearly the same. The 〈111〉-neck radius and the 〈100〉-radius of the Fermi surfaces increase almost linearly with increasing electron concentration in accord with previous results on Cu−Al and Cu−Zn alloys. The Fermi surface does not touch the square faces of the Brillouin zone at the solubility limit. The results agree fairly well with a calculation based on the sinking-conduction band model.
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Suzuki, T., Hasegawa, M. & Hirabayashi, M. A study of Fermi surfaces of the α-phase Cu-Ge and Cu-Si alloys by positron annihilation. Appl. Phys. 5, 269–274 (1974). https://doi.org/10.1007/BF00928139
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DOI: https://doi.org/10.1007/BF00928139