Icosahedral clusters, icosaheral order and stability of quasicrystals - A view of metallurgy

An Pang Tsai

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    92 Citations (Scopus)

    Abstract

    We review the stability of various icosahedral quasicrystals (iQc) from a metallurgical viewpoint. The stability of stable iQcs is well interpreted in terms of Hume-Rothery rules, i.e. atomic size factor and valence electron concentration, e/a. For metastable iQcs, we discuss the role of phason disorder introduced by rapid solidification, in structural stability and its interplay with chemical order and composition.

    Original languageEnglish
    Article number013008
    JournalScience and Technology of Advanced Materials
    Volume9
    Issue number1
    DOIs
    Publication statusPublished - 2008 Mar 1

    Keywords

    • Icosahedral order
    • Isodahedral cluster
    • Phason disorder
    • Stable quasicrystal
    • Valence concentration

    ASJC Scopus subject areas

    • Materials Science(all)

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