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Issue 23, 2010

Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal

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Abstract

In this work, the first direct measurement of inter and intra-layer molecular self-diffusion in the smectic phases of a chiral smectogen (S)-2-methylbutyl-[4′-(4″-heptyloxyphenyl)-benzoyl-4-oxy-(S)-2-((S)-2′)-benzoyl)-propionyl)]-propionate (ZLL7/*) by means of pulsed field gradient NMR is reported. Self-diffusion coefficients as low as 10−13 m2 s−1 have been measured by combining magic echo spin decoupling with a stimulated echo sequence. The transitions among synclinic–anticlinic smectic phases are associated with a change in the self-diffusion coefficients.

Graphical abstract: Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal

Article information


Submitted
16 Jun 2010
Accepted
29 Jul 2010
First published
30 Sep 2010

Soft Matter, 2010,6, 5999-6003
Article type
Paper

Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal

M. Cifelli, V. Domenici, S. V. Dvinskikh, M. Glogarova and C. A. Veracini, Soft Matter, 2010, 6, 5999 DOI: 10.1039/C0SM00536C

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