Auger Neutralization of Slow Protons at Solid Surfaces

S. Horiguchi, K. Koyama, Y. H. Ohtsuki

    研究成果: Article

    35 引用 (Scopus)

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    Auger neutralization of slow protons (⪅ a few keV) scattered from solid surfaces is considered. The neutralïzation probability per unit time P(s) is calculated as a function of the proton distance s from the surface to P(s) = A{e−2xs + (Bs + C) e −(x+a 0 −1)s + (Ds2 + Es + F) e −2a 0 −1s}, where a0 is the Bohr radius and A, B, C, D, E, F, and x proper constants depending on the target. At large distances from the surface, the second and third terms of P(s) can be neglected. As the proton approaches the surface, however, P(s) deviates from the simple exponential dependence of s. The neutral fraction φ0 is also calculated. From the obtained φ0, it is shown that Auger neutralization is important, at least in the low energy region.

    元の言語English
    ページ(範囲)757-763
    ページ数7
    ジャーナルPhysica Status Solidi (B): Basic Research
    87
    発行部数2
    DOI
    出版物ステータスPublished - 1978

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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