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Issue 33, 2015
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Design of a Kagome lattice from soft anisotropic particles

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Abstract

We present a simple model of triblock Janus particles based on discoidal building blocks, which can form energetically stabilized Kagome structures. We find ‘magic number’ global minima in small clusters whenever particle numbers are compatible with a perfect Kagome structure, without constraining the accessible three-dimensional configuration space. The preference for planar structures with two bonds per patch among all other possible minima on the landscape is enhanced when sedimentation forces are included. For the building blocks in question, structures containing three bonds per patch become progressively higher in energy compared to Kagome structures as sedimentation forces increase. Rearrangements between competing structures, as well as ring formation mechanisms are characterised and found to be highly cooperative.

Graphical abstract: Design of a Kagome lattice from soft anisotropic particles

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Publication details

The article was received on 17 May 2015, accepted on 18 Jul 2015, published on 20 Jul 2015 and first published online on 20 Jul 2015


Article type: Paper
DOI: 10.1039/C5SM01191D
Citation: Soft Matter, 2015,11, 6663-6668
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    Design of a Kagome lattice from soft anisotropic particles

    S. N. Fejer and D. J. Wales, Soft Matter, 2015, 11, 6663
    DOI: 10.1039/C5SM01191D

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