Bronze-mean hexagonal quasicrystal
ID Dotera, Tomonari (Author), ID Bekku, Shinichi (Author), ID Ziherl, Primož (Author)

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The most striking feature of conventional quasicrystals is their nontraditional symmetry characterised by icosahedral, dodecagonal, decagonal, or octagonal axes. The symmetry and the aperiodicity of these materials stem from an irrational ratio of two or more length scales controlling their structure, the best-known examples being the Penrose and the Ammann-Beenker tiling as two-dimensional models related to the golden and the silver mean, respectively. Surprisingly, no other metallic-mean tilings have been discovered so far. Here we propose a self-similar bronze-mean hexagonal pattern, which may be viewed as a projection of a higher-dimensional periodic lattice with a Koch-like snowflake projection window. We use numerical simulations to demonstrate that a disordered variant of this quasicrystal can be materialised in soft polymeric colloidal particles with a core-shell architecture. Moreover, by varying the geometry of the pattern we generate a continuous sequence of structures, which provide an alternative interpretation of quasicrystalline approximants observed in several metal- silicon alloys.

Keywords:quasicrystals, colloids, metallic mean, bronze mean
Typology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Number of pages:Str. 987-992
Numbering:Vol. 16, no. 16
ISSN on article:1476-1122
DOI:10.1038/NMAT4963 This link opens in a new window
COBISS.SI-ID:30811175 This link opens in a new window
Publication date in RUL:14.09.2018
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Record is a part of a journal

Title:Nature materials
Publisher:Nature Pub. Group
COBISS.SI-ID:2763034 This link opens in a new window

Secondary language

Keywords:kvazikristali, koloidi, kovinsko razmerje, bronasto razmerje

Document is financed by a project

Funder:EC - European Commission
Funding programme:H2020
Project number:642774
Name:Hybrid Colloidal Systems with Designed Response

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