Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer

V. N. Raja; S. W. Kang; J. S. Lee; J. C. Lee

doi:10.1080/10587259708041761

Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer

V. N. Raja, S. W. Kang, J. S. Lee, J. C. Lee

Research output: Contribution to journal › Article › peer-review

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Abstract

We have investigated the temperature dependence of the polar anchoring strength of nematic liquid crystal aligned homogeneously on glass substrates treated with side chain liquid crystalline polymer poly (4-cyanophenyl-4′-ethoxybenzoyloxy) acrylate (LCP100). The polar anchoring strength of rubbed LCP100 films is seen to be quite strong and comparable to that of rubbed polyimide films. The temperature dependence of orientational extrapolation length failed to show a critical divergence instead a very small increase on approaching the N-I transition. This indicates that the surface order parameter is quite strong and hence the polar anchoring energy weakens quite gradually.

Original language	English
Pages (from-to)	157-162
Number of pages	6
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	301
DOIs	https://doi.org/10.1080/10587259708041761
Publication status	Published - 01-01-1997
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1080/10587259708041761

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title = "Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer",

abstract = "We have investigated the temperature dependence of the polar anchoring strength of nematic liquid crystal aligned homogeneously on glass substrates treated with side chain liquid crystalline polymer poly (4-cyanophenyl-4′-ethoxybenzoyloxy) acrylate (LCP100). The polar anchoring strength of rubbed LCP100 films is seen to be quite strong and comparable to that of rubbed polyimide films. The temperature dependence of orientational extrapolation length failed to show a critical divergence instead a very small increase on approaching the N-I transition. This indicates that the surface order parameter is quite strong and hence the polar anchoring energy weakens quite gradually.",

author = "Raja, {V. N.} and Kang, {S. W.} and Lee, {J. S.} and Lee, {J. C.}",

year = "1997",

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doi = "10.1080/10587259708041761",

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journal = "Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals",

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Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer. / Raja, V. N.; Kang, S. W.; Lee, J. S. et al.
In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 301, 01.01.1997, p. 157-162.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer

AU - Raja, V. N.

AU - Kang, S. W.

AU - Lee, J. S.

AU - Lee, J. C.

PY - 1997/1/1

Y1 - 1997/1/1

N2 - We have investigated the temperature dependence of the polar anchoring strength of nematic liquid crystal aligned homogeneously on glass substrates treated with side chain liquid crystalline polymer poly (4-cyanophenyl-4′-ethoxybenzoyloxy) acrylate (LCP100). The polar anchoring strength of rubbed LCP100 films is seen to be quite strong and comparable to that of rubbed polyimide films. The temperature dependence of orientational extrapolation length failed to show a critical divergence instead a very small increase on approaching the N-I transition. This indicates that the surface order parameter is quite strong and hence the polar anchoring energy weakens quite gradually.

AB - We have investigated the temperature dependence of the polar anchoring strength of nematic liquid crystal aligned homogeneously on glass substrates treated with side chain liquid crystalline polymer poly (4-cyanophenyl-4′-ethoxybenzoyloxy) acrylate (LCP100). The polar anchoring strength of rubbed LCP100 films is seen to be quite strong and comparable to that of rubbed polyimide films. The temperature dependence of orientational extrapolation length failed to show a critical divergence instead a very small increase on approaching the N-I transition. This indicates that the surface order parameter is quite strong and hence the polar anchoring energy weakens quite gradually.

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JO - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

ER -

Temperature dependence of polar anchoring strength of nematic liquid crystal aligned on rubbed side chain liquid crystalline polymer

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