A smectic dodecagonal quasicrystal | Zendy

Alfredo Metere | Zendy; Peter Oleynikov | Zendy; Mikhail Dzugutov | Zendy; Sven Lidin | Zendy

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A smectic dodecagonal quasicrystal

Author(s) -

Alfredo Metere,

Peter Oleynikov,

Mikhail Dzugutov,

Sven Lidin

Publication year - 2016

Publication title -

soft matter

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.99

H-Index - 170

eISSN - 1744-6848

pISSN - 1744-683X

DOI - 10.1039/c6sm01832g

Subject(s) - quasicrystal , isotropy , axial symmetry , liquid crystal , condensed matter physics , rotational symmetry , materials science , phase (matter) , symmetry (geometry) , phase transition , rotation (mathematics) , order (exchange) , crystallography , optics , physics , chemistry , geometry , quantum mechanics , mechanics , mathematics , finance , economics

We report a solid smectic phase that exhibits dodecagonal global order. It is composed of axially stacked hexagonally ordered particle layers, and its 12-fold rotational symmetry induced by the 30° rotation of adjacent layers with respect to each other. A quasicrystal was produced in a molecular-dynamics simulation of a single-component system of particles interacting via a spherically-symmetric potential. It was formed as a result of a first-order phase transition from an isotropic liquid state that occurred under constant-density cooling. This finding implies that a similarly structured quasicrystal can possibly be produced by the same class of systems as those forming smectic-B crystals. This quasicrystal can also be expected to arise in a system of spherically-shaped colloidal particles with appropriately tuned potential.

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