Production of single quasicrystals

Y. Yokoyama, R. Note, Ampo Sai, A. Inoue, T. Masumoto

Research output: Contribution to journalArticle

2 Citations (Scopus)


It is difficult to grow a large single domain of quasicrystal formed through peritectic reactions between the primary phase (B2) and liquidus phase. A partial isothermal phase diagrams concluded the icosahedral(i-) or decagonal(d-) phase in the Al-Pd-Mn and Al-Ni-Co systems, respectively, have been examined with the aim of determining a liquidus compositions which equilibrate with a stoichiometric i- or d-phases. By choosing the optimum compositional liquid in the crucible, the growth of a seed i- or d-quasicrystals were used to grow a large scale quasicrystal by using the Czochralski method. We have produced a single icosahedral quasicrystal with the size of 150 mm in length and 10 mm in diameter in Al-Pd-Mn system.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalScience Reports of the Rerearch Institutes Tohoku University Series A-Physics
Issue number1
Publication statusPublished - 1996 Mar 1


  • Decagonal
  • Icosahedral
  • Single quasicrystal

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Metals and Alloys

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