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Issue 6, 2012
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Low–temperature biaxial nematic from rod and disc mesogen mixture

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Abstract

Molecular dynamics computer simulations have been employed to demonstrate that the addition of a suitable uniaxial discotic nematic to a biaxial nematic (Nb) of elongated mesogens can give rise to a low temperature Nb liquid crystal (where the rod-like particles would form a biaxial smectic). The two species are made to be fully miscible over the entire isotropic and nematic temperature range by a suitable parameterisation of shapes and pair interactions. The disc-like mesogen, even though not forming a biaxial nematic by itself gives a stable low-temperature discotic nematic which strongly disfavours the formation of columnar and smectic phases in the two-component system.

Graphical abstract: Low–temperature biaxial nematic from rod and disc mesogen mixture

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Article information


Submitted
27 Sep 2011
Accepted
04 Nov 2011
First published
03 Jan 2012

Soft Matter, 2012,8, 2017-2025
Article type
Paper

Low–temperature biaxial nematic from rod and disc mesogen mixture

R. Berardi and C. Zannoni, Soft Matter, 2012, 8, 2017
DOI: 10.1039/C1SM06838E

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