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First photoresponsive liquid crystalline materials with small layer shrinkage at the phase transition to the ferroelectric phase
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SYSNO ASEP 0327537 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title First photoresponsive liquid crystalline materials with small layer shrinkage at the phase transition to the ferroelectric phase Title První fotocitlivý kapalně-krystalický materiál vykazující malou změnu tloušťky vrstvy při přechodu paraelektrická- feroelektrická fáze Author(s) Novotná, Vladimíra (FZU-D) RID, ORCID, SAI
Hamplová, Věra (FZU-D) RID, ORCID, SAI
Bubnov, Alexej (FZU-D) RID, ORCID, SAI
Kašpar, Miroslav (FZU-D) RID
Glogarová, Milada (FZU-D) RID, ORCID
Kapernaum, N. (DE)
Bezner, S. (DE)
Giesselmann, F. (DE)Number of authors 8 Source Title Journal of Materials Chemistry. - : ROYAL SOC CHEMISTRY - ISSN 0959-9428
Roč. 19, č. 23 (2009), s. 3992-3997Number of pages 6 s. Language eng - English Country GB - United Kingdom Keywords photosensitive ; liquid crystals ; De Vries behaviour ; layer shrinkage Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects MEB050818 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) IAA100100710 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) OC 175 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA202/09/0047 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000266615800025 DOI 10.1039/b821738f Annotation A homologue series of liquid crystalline compounds with the azo-group in the molecular core have been synthesized. Tendency to a decrease of the layer shrinkage at the SmA-SmC* phase transition with decreasing the alkyl chain length (n) has been found, one homologue exhibiting almost no change of the layer spacing. All studied compounds exhibit the photoferroelectric effect, namely lowering the spontaneous polarization and tilt angle in the SmC* phase under illumination by visible light. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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