Auger Neutralization of Slow Protons at Solid Surfaces

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

*この研究の対応する著者

    研究成果: Article査読

    35 被引用数 (Scopus)

    抄録

    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.

    本文言語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
    2
    DOI
    出版ステータスPublished - 1978

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 凝縮系物理学

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