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Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes

Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes

In mixtures of nematic liquid crystals with opposite signs of dielectric anisotropy (4-n-pentyl-4'-cyanobiphenyl (5CB), Δε>>0, and azoxy nematic ZhK440, Δε << 0), anomalous behavior of optical transmission and electrophysical properties was observed at concentrations close to the co...

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Main Authors: Samoilov, A.N., Minenko, S.S., Fedoryako, A.P., Lisetski, L.N., Bidna, T.V.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2017
Series:Functional Materials
Subjects:
Characterization and properties
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/136713
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spelling irk-123456789-1367132018-06-17T03:13:33Z Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes Samoilov, A.N. Minenko, S.S. Fedoryako, A.P. Lisetski, L.N. Bidna, T.V. Characterization and properties In mixtures of nematic liquid crystals with opposite signs of dielectric anisotropy (4-n-pentyl-4'-cyanobiphenyl (5CB), Δε>>0, and azoxy nematic ZhK440, Δε << 0), anomalous behavior of optical transmission and electrophysical properties was observed at concentrations close to the compensation point. The observed features, which could be ascribed to enhancement of the director fluctuations, were suppressed by addition of small amounts (~0.04 %) of dispersed carbon nanotubes. In such systems, it is possible to realize the Freedericks transition at relatively small (~15 %) concentration of 5CB, preserving the possibility of UV-induced effects due to trans-cis isomerization of azoxy nematics. 2017 Article Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes / A.N. Samoilov, S.S. Minenko, A.P. Fedoryako, L.N. Lisetski, T.V. Bidna // Functional Materials. — 2017. — Т. 24, № 2. — С. 197-202. — Бібліогр.: 30 назв. — англ. 1027-5495 DOI: https://doi.org/10.15407/fm24.02.203 http://dspace.nbuv.gov.ua/handle/123456789/136713 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Characterization and properties
Characterization and properties
spellingShingle Characterization and properties
Characterization and properties
Samoilov, A.N.
Minenko, S.S.
Fedoryako, A.P.
Lisetski, L.N.
Bidna, T.V.
Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
Functional Materials
description In mixtures of nematic liquid crystals with opposite signs of dielectric anisotropy (4-n-pentyl-4'-cyanobiphenyl (5CB), Δε>>0, and azoxy nematic ZhK440, Δε << 0), anomalous behavior of optical transmission and electrophysical properties was observed at concentrations close to the compensation point. The observed features, which could be ascribed to enhancement of the director fluctuations, were suppressed by addition of small amounts (~0.04 %) of dispersed carbon nanotubes. In such systems, it is possible to realize the Freedericks transition at relatively small (~15 %) concentration of 5CB, preserving the possibility of UV-induced effects due to trans-cis isomerization of azoxy nematics.
format Article
author Samoilov, A.N.
Minenko, S.S.
Fedoryako, A.P.
Lisetski, L.N.
Bidna, T.V.
author_facet Samoilov, A.N.
Minenko, S.S.
Fedoryako, A.P.
Lisetski, L.N.
Bidna, T.V.
author_sort Samoilov, A.N.
title Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
title_short Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
title_full Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
title_fullStr Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
title_full_unstemmed Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
title_sort mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes
publisher НТК «Інститут монокристалів» НАН України
publishDate 2017
topic_facet Characterization and properties
url http://dspace.nbuv.gov.ua/handle/123456789/136713
citation_txt Mixtures of 4-pentyl-4'-cyanobiphenyl and photosensitive azoxy nematics as hosts for liquid crystal dispersions of carbon nanotubes / A.N. Samoilov, S.S. Minenko, A.P. Fedoryako, L.N. Lisetski, T.V. Bidna // Functional Materials. — 2017. — Т. 24, № 2. — С. 197-202. — Бібліогр.: 30 назв. — англ.
series Functional Materials
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first_indexed 2023-10-18T21:14:00Z
last_indexed 2023-10-18T21:14:00Z
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