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

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Izvleček
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.

Jezik:Angleški jezik
Ključne besede:quasicrystals, colloids, metallic mean, bronze mean
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FMF - Fakulteta za matematiko in fiziko
Leto izida:2017
Št. strani:Str. 987-992
Številčenje:Vol. 16, no. 16
UDK:53
ISSN pri članku:1476-1122
DOI:10.1038/NMAT4963 Povezava se odpre v novem oknu
COBISS.SI-ID:30811175 Povezava se odpre v novem oknu
Datum objave v RUL:14.09.2018
Število ogledov:653
Število prenosov:746
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Nature materials
Založnik:Nature Pub. Group
ISSN:1476-1122
COBISS.SI-ID:2763034 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:kvazikristali, koloidi, kovinsko razmerje, bronasto razmerje

Projekti

Financer:EC - European Commission
Program financ.:H2020
Številka projekta:642774
Naslov:Hybrid Colloidal Systems with Designed Response
Akronim:COLLDENSE

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