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A smectic dodecagonal quasicrystal
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.).
2016 (English)In: Soft Matter, ISSN 1744-683X, E-ISSN 1744-6848, Vol. 12, no 43, 8869-8875 p.Article in journal (Refereed) Published
Abstract [en]

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 301 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.

Place, publisher, year, edition, pages
2016. Vol. 12, no 43, 8869-8875 p.
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-197848DOI: 10.1039/c6sm01832gISI: 000387988400008PubMedID: 27722432Scopus ID: 2-s2.0-84994639469OAI: oai:DiVA.org:kth-197848DiVA: diva2:1059470
Note

QC 20161222

Available from: 2016-12-22 Created: 2016-12-08 Last updated: 2016-12-22Bibliographically approved

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