Stable tenfold faceted single-grain decagonal quasicrystals of Al65Cu15Co20

A. R. Kortan, F. A. Thiel, H. S. Chen, A. P. Tsai, A. Inoue, T. Masumoto

    研究成果: Article査読

    77 被引用数 (Scopus)

    抄録

    We report stable Al65Cu15Co20 decagonal quasicrystals which exhibit faceted columnar morphology. The column axis is along the tenfold direction, and it is faceted by the ten twofold planes. Faceted single grains, several millimeters in size were grown and characterized. Peritectic growth is fastest along the periodic tenfold axis and slowest along the nucleation controlled, quasiperiodic twofold directions. Single-crystal x-ray scattering verifies the two-dimensional quasiperiodic structure. The two-dimensional quasicrystalline structure is defect free on a length scale of 2000 AI and is layered with a thickness of 8.26 AI.

    本文言語English
    ページ(範囲)9397-9399
    ページ数3
    ジャーナルPhysical Review B
    40
    13
    DOI
    出版ステータスPublished - 1989

    ASJC Scopus subject areas

    • 凝縮系物理学

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