Femtosecond transient reflecting grating methods and analysis of the ultrafast carrier dynamics on Si(111) surfaces

Tomohiro Morishita, Akihide Hibara, Tsuguo Sawada, Isao Tsuyumoto, Akira Harata

    研究成果: Contribution to journalArticle査読

    9 被引用数 (Scopus)

    抄録

    The femtosecond transient reflecting grating (TRG) method was developed and applied to monitor the ultrafast dynamics of photo-excited carriers on Si(111) surfaces. TRG responses were measured as a function of the pump beam intensity and fringe spacing, and two relaxation components were observed. An analysis of the results has suggested that the slow component corresponds to carrier diffusion and that the fast component corresponds to a combined process between ballistic transport and carrier-carrier scattering of non- equilibrium carriers.

    本文言語英語
    ページ(範囲)403-406
    ページ数4
    ジャーナルanalytical sciences
    16
    4
    DOI
    出版ステータス出版済み - 4 2000

    All Science Journal Classification (ASJC) codes

    • 分析化学

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