4.7 Article

A new cluster-based cubic phase in the Al-Cu-Ir system

Journal

INTERMETALLICS
Volume 32, Issue -, Pages 337-343

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2012.08.027

Keywords

Intermetallics; miscellaneous; Crystallography

Funding

  1. Laboratory of Crystallography, ETH Zurich
  2. Sciex-NMSch

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The structure of the intermetallic phase cF244-Al63.3Cu12.3Ir24.4, a superstructure of a 1/0-approximant to an icosahedral quasicrystal, was determined by single-crystal X-ray diffraction. It can be described as a packing of endohedral clusters with a significant amount of disorder in the innermost shells. Similarities to the structures of related intermetallic compounds and quasicrystal approximants are discussed. (C) 2012 Elsevier Ltd. All rights reserved.

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