Atomic disordering in an al-ru-cu icosahedral quasicrystal

K. Hiragai, M. Hirabayashi, A. P. Tsai, A. Inoue, T. Masumoto

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

A165Ru15Cu20icosahedral quasicrystals, which were prepared by conventional melting and melt-quenching methods, have been examined by electron and X-ray diffraction. Superlattice reflections interpreted by face-centred six-dimensional hypercubic lattices, which are observed in the conventionally solidified quasicrystal, are considerably weaker or non-existent in the rapidly solidified material. The weak superlattice reflections become stronger upon annealing at 750°C for 30 min. The result shows that atomic ordering is suppressed by rapid cooling and the disordered quasicrystal produced transforms to the ordered one at about 750°C.

Original languageEnglish
Pages (from-to)201-205
Number of pages5
JournalPhilosophical Magazine Letters
Volume60
Issue number5
DOIs
Publication statusPublished - 1989 Nov

ASJC Scopus subject areas

  • Condensed Matter Physics

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