Surface segregation in Cu-Ni and Cu-Pt alloys; A comparison of low-energy ion-scattering results with theory

H. H. Brongersma, M. J. Sparnaay, T. M. Buck

    Research output: Contribution to journalArticleAcademicpeer-review

    222 Citations (Scopus)

    Abstract

    Under equilibrium conditions the surfaces of Cu-Ni and Cu-Pt alloys are enriched in Cu. Since low-energy ion scattering is only sensitive to the outermost atomic layer of the surface, it is the ideal technique to study surface segregation. The results are compared with zeroth-and first-order bond-breaking theories. The influences of parameters such as relaxation, crystal face, atomic size and double-layer formation are discussed.

    Original languageEnglish
    Pages (from-to)657-678
    Number of pages22
    JournalSurface Science
    Volume71
    Issue number3
    DOIs
    Publication statusPublished - 2 Feb 1978

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