Novel kind of decagonal ordering in AlCrFe.

Nat Commun

Department of Materials, ETH Zurich, 8093, Zurich, Switzerland.

Published: December 2020

A high-angle annular dark field scanning transmission electron microscopy study of the intermetallic compound AlCrFe reveals a quasiperiodic structure significantly differing from the ones known so far. In contrast to the common quasi-unit-cells based on Gummelt decagons, the present structure is related to a covering formed by Lück decagons, which can also be described by a Hexagon-Bow-Tie tiling.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7718917PMC
http://dx.doi.org/10.1038/s41467-020-20077-4DOI Listing

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