Crystal growth of quasicrystal and partial phase diagram involving quasicrystal in the Ag-In-Yb system

S. Ohhashi, J. Hasegawa, S. Takeuchi, A. P. Tsai

    Research output: Contribution to journalArticlepeer-review

    23 Citations (Scopus)

    Abstract

    An isothermal section of the partial Ag-In-Yb phase diagram, involving the icosahedral quasicrystalline (i-QC) phase and its corresponding 2/1 and 1/1 approximants (AP) at 823 K, has been determined. The i-QC, 2/1 and 1/1 AP exist in the compositional region around Ag42In42Yb16, Ag41In44Yb15 and Ag40In46Yb14, respectively. In a way similar to the Cd-Yb system, the i-QC in the present system forms congruently from the melt at around 890 K. On the basis of the phase diagram, a large single grain of i-QC with a diameter of 10 mm was obtained by using the Bridgman method.

    Original languageEnglish
    Pages (from-to)3089-3094
    Number of pages6
    JournalPhilosophical Magazine
    Volume87
    Issue number18-21
    DOIs
    Publication statusPublished - 2007 Jul

    ASJC Scopus subject areas

    • Condensed Matter Physics

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