A complicated quasicrystal approximant ∊16 predicted by the strong-reflections approach

Li, M.; Sun, J.; Oleynikov, P.; Hovmöller, S.; Zou, X.; Grushko, B.

doi:10.1107/S0108768109053804

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 6
The atomic structure of ∊₁₆ (a) viewed along the c axis. Eight layers, including four flat layers (f) and four puckered layers (p), are stacked along the b axis. Five independent layers are identified; at y = 0 (f₁), ∼ 0.125 (p₁), 0.25 (f₂), ∼ 0.375 (p₂) and 0.5 (f₃). The structure can be described as $[f_1p_1f_2p_2f_3p_2^{\prime}f_2^{\prime}p_1^{\prime}f_1]$ , where $[p_2^{\prime}f_2^{\prime}p_1^{\prime}]$ are obtained from the layers p₁f₂p₂ by a mirror symmetry at y = 0.5. (b)–(f) The five independent layers viewed along the b axis. Three basic tilings: squashed hexagon (h), pentagonal star (s) and crown (c) are indicated in (d). A decagonal column (Dc) and a pentagonal column (Pc) are marked in (b). A squashed octagon (o) is marked in (e). A pentagonal star (s) surrounded by five hexagonal columns is marked in (f).

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 66| Part 1| February 2010| Pages 17-26

https://doi.org/10.1107/S0108768109053804

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