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Issue 3, 2016
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The stabilisation of the Nx phase in mixtures

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Abstract

The phase behaviour of mixtures between two symmetric dimers, CBC9CB and the ether-linked analogue CBOC9OCB was investigated by Polarizing Optical Microscopy (POM), Differential Scanning Calorimetry (DSC) and X-Ray Diffraction (XRD) studies. The dimeric constituents are fully miscible and the construction of a temperature-composition phase diagram reveals a surprising amplification of the stability of the Nx phase in compositions of up to 37 wt% of CBOC9OCB in CBC9CB. The origin for this enhancement of stability is discussed and an explanation based on chiral recognition is developed.

Graphical abstract: The stabilisation of the Nx phase in mixtures

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Article information


Submitted
06 Aug 2015
Accepted
28 Oct 2015
First published
28 Oct 2015

This article is Open Access

Soft Matter, 2016,12, 888-899
Article type
Paper
Author version available

The stabilisation of the Nx phase in mixtures

E. Ramou, Z. Ahmed, C. Welch, P. K. Karahaliou and G. H. Mehl, Soft Matter, 2016, 12, 888
DOI: 10.1039/C5SM01961C

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