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Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal
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SYSNO ASEP 0355611 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Translational self-diffusion in the synclinic to anticlinic phases of a ferroelectric liquid crystal Author(s) Cifelli, M. (IT)
Domenici, V. (IT)
Dvinskikh, S.V. (SE)
Glogarová, Milada (FZU-D) RID, ORCID
Veracini, A. (IT)Source Title Soft Matter - ISSN 1744-683X
Roč. 6, č. 23 (2010), s. 5999-6003Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords chiral smectogen ; echo sequences ; ferroelectric liquid crystal ; intra-layer ; molecular self-diffusion ; pulsed field gradient NMR Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects IAA100100911 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA202/09/0047 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) OC10006 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000284313700022 DOI 10.1039/c0sm00536c Annotation 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. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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