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APS » Journals » Phys. Rev. B » Volume 48 » Issue 10
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Phys. Rev. B 48, 6949–6951 (1993)

Stable decagonal Al-Cu-Co-Si phase: A phason-perturbed quasiperiodic crystal

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Z. Zhang
Beijing Laboratory of Electron Microscopy, Chinese Academy of Sciences, P.O. Box 2724, 100080 Beijing, People’s Republic of China

H. L. Li and K. H. Kuo
Beijing Laboratory of Electron Microscopy, Chinese Academy of Sciences, P.O. Box 2724, 100080 Beijing, People’s Republic of China
Department of Materials Physics, University of Science and Technology, Beijing, 100083 Beijing, People’s Republic of China

Received 28 April 1993; published in the issue dated 1 September 1993

The analysis of high-resolution electron-microscopy images of the stable Al62Cu20Co15Si3 decagonal quasicrystal shows a long-range aperiodic translation order similar to that of Penrose tiling. Thus this particular decagonal phase could be interpreted as a phason-perturbed quasiperiodic crystal.

© 1993 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.48.6949
DOI:
10.1103/PhysRevB.48.6949
PACS:
61.16.Bg, 61.44.+p, 68.65.+g
 
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