About: A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core

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About: A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Mesomorphic properties of new bent-shaped liquid crystals based on 7-hydroxynaphthalene-2-carboxylic acid are presented. The central unit of the molecular core was also modified by substitution of the chlorine atom or methyl group. Texture and calorimetric studies, as well as electrooptical, X-ray and dielectric measurements of selected compounds were performed. For long homologues the lamellar B-2 phase was observed, while for shorter homologues two-dimensional columnar phases were found, built of layer fragments with the electron density modulation plane perpendicular to polarization direction. Based on X-ray patterns, two types of modulated polar columnar phases were distinguished, having oblique or orthogonal centred crystallographic unit cells. Mesomorphic properties of new bent-shaped liquid crystals based on 7-hydroxynaphthalene-2-carboxylic acid are presented. The central unit of the molecular core was also modified by substitution of the chlorine atom or methyl group. Texture and calorimetric studies, as well as electrooptical, X-ray and dielectric measurements of selected compounds were performed. For long homologues the lamellar B-2 phase was observed, while for shorter homologues two-dimensional columnar phases were found, built of layer fragments with the electron density modulation plane perpendicular to polarization direction. Based on X-ray patterns, two types of modulated polar columnar phases were distinguished, having oblique or orthogonal centred crystallographic unit cells. (en)
Title	A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core (en)
skos:prefLabel	A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core (en)
skos:notation	RIV/68378271:_____/09:00336595!RIV10-AV0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/0047), P(IAA100100710), Z(AV0Z10100520), Z(MSM6046137301)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Glogarová, Milada Novotná, Vladimíra
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	329073
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00336595
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	liquid crystals; bent-shaped mesogen; columnar phase; nematic phase (en)
http://linked.open.../riv/klicoveSlovo	liquid crystals bent-shaped mesogen columnar phase nematic phase
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[94AF899479CE]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Chemistry
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Molecular structure and phases of new polar liquid crystals New liquid crystals with phases switchable by the electric field.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	19
http://linked.open...iv/tvurceVysledku	Glogarová, Milada Gorecka, E. Novotná, Vladimíra Pociecha, D. Svoboda, J. Kohout, M.
http://linked.open...ain/vavai/riv/wos	000266005100009
http://linked.open...n/vavai/riv/zamer	Catalytic processes in chemistry and chemical technology Specific effects in condensed systems with reduced dimension and broken symmetry
issn	0959-9428
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core A nematic-polar columnar phase sequence in new bent-shaped liquid crystals based on a 7-hydroxynaphthalene-2-carboxylic acid core

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