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Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Physical Chemistry.ORCID iD: 0000-0002-6524-1441
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2010 (English)In: SOFT MATTER, ISSN 1744-683X, Vol. 6, no 23, 5999-6003 p.Article in journal (Refereed) Published
Abstract [en]

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)]-pro pionate (ZLL7/*) by means of pulsed field gradient NMR is reported. Self-diffusion coefficients as low as 10(-13) m(2) 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.

Place, publisher, year, edition, pages
2010. Vol. 6, no 23, 5999-6003 p.
Keyword [en]
smectic-c phases, deuterium nmr, exchange
National Category
Physical Chemistry
URN: urn:nbn:se:kth:diva-27352DOI: 10.1039/c0sm00536cISI: 000284313700022ScopusID: 2-s2.0-78349252678OAI: diva2:377676
Swedish Research Council
QC 20101214Available from: 2010-12-14 Created: 2010-12-13 Last updated: 2010-12-14Bibliographically approved

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Dvinskikh, Sergey V.
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