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A study of the director distribution using deuterium NMR spectroscopy and simultaneous in situ observation of the light transmittance for a nematic subject to magnetic, electric and surface fields

A study of the director distribution using deuterium NMR spectroscopy and simultaneous in situ observation of the light transmittance for a nematic subject to magnetic, electric and surface fields
A study of the director distribution using deuterium NMR spectroscopy and simultaneous in situ observation of the light transmittance for a nematic subject to magnetic, electric and surface fields
It is important, both for basic science and device applications, to investigate the static and dynamic director distribution in a thin nematic liquid crystal (NLC) slab confined between two transparent electrodes. Optical and electrical measurement methods are generally used to determine the director distribution as a function of an electric field. It is to be expected that deuterium NMR spectroscopy combined with simultaneous in situ observation of the light transmittance should give us a good understanding of the director distribution for a thin NLC slab because the former is the sum of the spectra for each position in the slab and the latter by the optical anisotropy averaged over the slab. This combined method is used to investigate the director distribution in a thin NLC slab of 4-pentyl-4'-cyanobiphenyl subject to competing constraints.
liquid crystal, deuterium nmr spectroscopy, director orientation, light transmittance liquid-crystal, 5cb
891-896
Asaka, Daigo
99f71a83-63d5-48d7-adca-3c208f00133d
Dunn, Christopher J.
904c2819-9a9e-451e-bb05-de731657344a
Luckhurst, Geoffrey R.
7807d1c6-54a1-414f-9abe-22de4d9c30f7
Miyamoto, Tetsuo
82904196-6d2d-413a-b9e5-95a5d4bc8171
Sugimura, Akihiko
d252f7e8-4859-414d-9f81-db4ec4985b03
Timimi, Bakir A.
845f8bba-a04b-4e8d-adfe-51b13e9f29ca
Asaka, Daigo
99f71a83-63d5-48d7-adca-3c208f00133d
Dunn, Christopher J.
904c2819-9a9e-451e-bb05-de731657344a
Luckhurst, Geoffrey R.
7807d1c6-54a1-414f-9abe-22de4d9c30f7
Miyamoto, Tetsuo
82904196-6d2d-413a-b9e5-95a5d4bc8171
Sugimura, Akihiko
d252f7e8-4859-414d-9f81-db4ec4985b03
Timimi, Bakir A.
845f8bba-a04b-4e8d-adfe-51b13e9f29ca

Asaka, Daigo, Dunn, Christopher J., Luckhurst, Geoffrey R., Miyamoto, Tetsuo, Sugimura, Akihiko and Timimi, Bakir A. (2006) A study of the director distribution using deuterium NMR spectroscopy and simultaneous in situ observation of the light transmittance for a nematic subject to magnetic, electric and surface fields. Current Applied Physics, 6 (5), 891-896. (doi:10.1016/j.cap.2005.06.001).

Record type: Article

Abstract

It is important, both for basic science and device applications, to investigate the static and dynamic director distribution in a thin nematic liquid crystal (NLC) slab confined between two transparent electrodes. Optical and electrical measurement methods are generally used to determine the director distribution as a function of an electric field. It is to be expected that deuterium NMR spectroscopy combined with simultaneous in situ observation of the light transmittance should give us a good understanding of the director distribution for a thin NLC slab because the former is the sum of the spectra for each position in the slab and the latter by the optical anisotropy averaged over the slab. This combined method is used to investigate the director distribution in a thin NLC slab of 4-pentyl-4'-cyanobiphenyl subject to competing constraints.

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More information

Published date: 2006
Keywords: liquid crystal, deuterium nmr spectroscopy, director orientation, light transmittance liquid-crystal, 5cb

Identifiers

Local EPrints ID: 44364
URI: https://eprints.soton.ac.uk/id/eprint/44364
PURE UUID: d8068e96-7d30-422d-99ef-1cfb72f7c1fe

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Date deposited: 28 Feb 2007
Last modified: 13 Mar 2019 21:07

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Contributors

Author: Daigo Asaka
Author: Christopher J. Dunn
Author: Geoffrey R. Luckhurst
Author: Tetsuo Miyamoto
Author: Akihiko Sugimura
Author: Bakir A. Timimi

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