Presentation 2000/10/12
Infrared Measurements for Orientational Ordering of a Nematic Liquid Crystal Near a Rubbed Polymer Layer.
P. Gautier, S. Araki, T. Oshima, P. Perkowski, T. Miyashita, T. Uchida,
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Abstract(in English) The comprehension of the mechanism of alignment of a liquid crystal by a rubbed polymer layer is a current interest from a fundamental point of view but also in regards to applications. To understand the mechanism of alignment it is necessary to clarify how the liquid crystal is oriented near a surface. A nematic liquid crystal (LC) has no longer a uniaxial symmetry near a rubbed polymer surface but exhibits a biaxial orientation. We probed the thickness dependence of the orientation of a LC using Fourier Transform Infra-Red Spectroscopy. By this method it can be shown that order parameter is lower near the surface than in the bulk.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) alignment / anchoring / nematic / infra-red / order parameter / interface
Paper # EID2000-75
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Committee EID
Conference Date 2000/10/12(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Infrared Measurements for Orientational Ordering of a Nematic Liquid Crystal Near a Rubbed Polymer Layer.
Sub Title (in English)
Keyword(1) alignment
Keyword(2) anchoring
Keyword(3) nematic
Keyword(4) infra-red
Keyword(5) order parameter
Keyword(6) interface
1st Author's Name P. Gautier
1st Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering()
2nd Author's Name S. Araki
2nd Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering
3rd Author's Name T. Oshima
3rd Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering
4th Author's Name P. Perkowski
4th Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering
5th Author's Name T. Miyashita
5th Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering
6th Author's Name T. Uchida
6th Author's Affiliation Tohoku University, Graduate School of Engineering, Dept.of Electronic Engineering
Date 2000/10/12
Paper # EID2000-75
Volume (vol) vol.100
Number (no) 355
Page pp.pp.-
#Pages 6
Date of Issue