Self-diffusion of manganese in al-pd-mn icosahedral quasicrystals

H. Nakajima, J. Asai, K. Nonaka, I. Shinbo, A. P. Tsai, T. Masumoto

    研究成果: Article査読

    21 被引用数 (Scopus)

    抄録

    Self-diffusion of54Mn in Al72Pd20Mn8icosahedral quasicrystals has been investigated over the temperature range from 723 to 1022 K. Concentration depth profiles of the radioisotope54Mn in the Al-Pd-Mn quasicrystals and crystals have been measured by an ion-beam sputter-sectioning technique. The temperature dependence of the self-diffusivity of Mn in Al72Pd20Mn8icosahedral quasicrystals is expressed as (Formula Presented)The self-diffusivity of Mn in Al72Pd20Mn8icosahedral quasicrystals is about two orders of magnitude smaller than that in Al60Pd25Mn15 crystalline alloys. The self- diffusivity of Mn in the quasicrystals is also three to four orders of magnitude lower than Mn diffusivity in crystalline Al.

    本文言語English
    ページ(範囲)315-320
    ページ数6
    ジャーナルPhilosophical Magazine Letters
    68
    5
    DOI
    出版ステータスPublished - 1993 11

    ASJC Scopus subject areas

    • 凝縮系物理学

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