Novel kind of decagonal ordering in Al74Cr15Fe11

Haikun Ma, Zhanbing He (), Hua Li, Tiantian Zhang, Shuang Zhang, Chuang Dong and Walter Steurer
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Haikun Ma: University of Science and Technology Beijing
Zhanbing He: University of Science and Technology Beijing
Hua Li: University of Science and Technology Beijing
Tiantian Zhang: University of Science and Technology Beijing
Shuang Zhang: Dalian Jiaotong University
Chuang Dong: Dalian Jiaotong University
Walter Steurer: ETH Zurich

Nature Communications, 2020, vol. 11, issue 1, 1-7

Abstract: Abstract A high-angle annular dark field scanning transmission electron microscopy study of the intermetallic compound Al74Cr15Fe11 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.

Date: 2020
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DOI: 10.1038/s41467-020-20077-4

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