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Unifying cluster-based structure models of decagonal Al–Co–Ni, Al–Co–Cu and Al–Fe–Ni by Sofia Deloudi; Frank Fleischer; Walter Steurer is a Chemistry article available to read on EtoBox.

What is Unifying cluster-based structure models of decagonal Al–Co–Ni, Al–Co–Cu and Al–Fe–Ni about?

The geometrical building principles of Al-based decagonal quasicrystals and their approximants are discussed from a cluster-based approach. Our investigations cover 11 modifications with two- or four-layer periodicity in the systems Al–Co–Ni, Al–Co–Cu and Al–Fe–Ni. We identified a cluster that leads to a unifying view of all these phases. This unit cluster has ∼ 20 Å diameter, four-layer periodicity along its tenfold axis and rod symmetry group p \overline{10}2m. The models obtained are in agreement with all the electron-density maps and electron-microscopy images available.

Who reads Unifying cluster-based structure models of decagonal Al–Co–Ni, Al–Co–Cu and Al–Fe–Ni?

Author

Sofia Deloudi; Frank Fleischer; Walter Steurer

Publisher

International Union of Crystallography; Blackwell Publishing Inc.; International Union of Crystallography (IUCr) (ISSN 0108-7681)

Published

2011

Language

EN

Field

Chemistry (Physical Sciences)