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Issue 28, 2019
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Orientational structures in cholesteric droplets with homeotropic surface anchoring

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Abstract

The dependency of orientational structures in cholesteric droplets with homeotropic surface anchoring on the helicity parameter has been studied by experiment and simulations. We have observed a sequence of structures, in which the director configurations and topological defects were identified by comparison of polarized microscopy pictures with simulated textures. A toron-like and low-symmetry intermediate layer-like structures have been revealed and studied in detail. The ranges of stability of the observed structures have been summarized in a general diagram and explained by the helicity parameter dependence of the free energy terms.

Graphical abstract: Orientational structures in cholesteric droplets with homeotropic surface anchoring

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Article information


Submitted
21 Feb 2019
Accepted
17 Jun 2019
First published
21 Jun 2019

Soft Matter, 2019,15, 5554-5561
Article type
Paper

Orientational structures in cholesteric droplets with homeotropic surface anchoring

M. N. Krakhalev, V. Yu. Rudyak, O. O. Prishchepa, A. P. Gardymova, A. V. Emelyanenko, J. Liu and V. Ya. Zyryanov, Soft Matter, 2019, 15, 5554
DOI: 10.1039/C9SM00384C

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