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Issue 20, 2019
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Phase diagram for two-dimensional layer of soft particles

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Abstract

The phase diagram of a monolayer of soft particles described by the Daoud–Cotton model for star polymers is presented. Ground state calculations and grand canonical Monte Carlo simulations are used to determine the phase behavior as a function of the number of arms on the star and the areal coverage of the soft particles. The phase diagram exhibits rich behavior including reentrant melting and freezing and solid–solid transitions with triangular, stripe, honeycomb and kagome phases. These structures in 2D are analogous to the structures observed in 3D. The evolution of the structure factor with density is qualitatively similar to that measured in experiments for polymer grafted nanocrystals [Chen et al., Macromolecules, 2017, 50, 9636].

Graphical abstract: Phase diagram for two-dimensional layer of soft particles

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Supplementary files

Article information


Submitted
15 Feb 2019
Accepted
15 Apr 2019
First published
17 Apr 2019

Soft Matter, 2019,15, 4162-4169
Article type
Paper
Author version available

Phase diagram for two-dimensional layer of soft particles

X. Zhu, T. M. Truskett and R. T. Bonnecaze, Soft Matter, 2019, 15, 4162
DOI: 10.1039/C9SM00333A

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