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Issue 15, 2017
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Textures and shapes in nematic elastomers under the action of dopant concentration gradients

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Abstract

We explore a novel strategy of patterning nematic elastomers that does not require inscribing the texture directly. It is based on varying the dopant concentration that, beside shifting the phase transition point, affects the nematic director field via coupling between the gradients of concentration and nematic order parameter. Rotation of the director around a point dopant source causes topological modification manifesting itself in a change of the number of defects. A variety of shapes, dependent on the dopant distribution, are obtained by anisotropic deformation following the nematic–isotropic transition.

Graphical abstract: Textures and shapes in nematic elastomers under the action of dopant concentration gradients

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Publication details

The article was received on 02 Feb 2017, accepted on 24 Mar 2017 and first published on 24 Mar 2017


Article type: Paper
DOI: 10.1039/C7SM00353F
Soft Matter, 2017,13, 2886-2892

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    Textures and shapes in nematic elastomers under the action of dopant concentration gradients

    A. P. Zakharov and L. M. Pismen, Soft Matter, 2017, 13, 2886
    DOI: 10.1039/C7SM00353F

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