Growth of large-grain Ag-In-Yb icosahedral quasicrystals and approximant crystals

Can Cui, An Pang Tsai

    Research output: Contribution to journalLetterpeer-review

    8 Citations (Scopus)

    Abstract

    Large-grain quasicrystals and approximant crystals are desirable for the physical properties and surface properties study. In this letter, we present a study on the growth of large-grain icosahedral quasicrystals and 2/1 and 1/1 approximant crystals of Ag-In-Yb alloy using a facile self-flux method in indium-rich melt-solution. The as-grown samples show facets along 5-, 3- and 2-fold planes in the quasicrystal sample, whereas the 1/1 approximant crystal exhibits facets along {1 0 0} and {1 1 0} planes and the 2/1 approximant crystal along the {1 1 1} planes. The facets are considered to be thermodynamically favorite planes in the above crystals and they offer valuable information for understanding the surface stability in icosahedral quasicrystals.

    Original languageEnglish
    Pages (from-to)91-93
    Number of pages3
    JournalJournal of Alloys and Compounds
    Volume536
    DOIs
    Publication statusPublished - 2012 Sep 25

    Keywords

    • Ag-In-Yb
    • Approximant crystal
    • Crystal growth
    • Quasicrystal

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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