Real Time Analysis of Liquid Crystal Surface Orientation Dynamic Using Polarization Modulated Spectroellipsometry
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概要
- 論文の詳細を見る
Polarization modulated spectroellipsometry (PMSE) with the time resolution of 1 ms was used to analyze the dynamic response of 4-n-pentyl-4'-cyanobiphenyl (5CB) liquid crystals. The surface dynamics of 5CB in the vicinity of polyimide orienting layer were isolated using the reflection PMSE. Information about bulk reorientation dynamics was obtained from transmission PMSE experiments. Comparison of the results of two experiments indicates that the surface molecules require a higher electric field for reorientation and decay occurs much faster (3 ms) than the bulk molecules (100 ms). These observations clearly indicate the presence of an anchoring effect and illustrate the advantage of the reflection PMSE for the study of surface reorientation dynamics of liquid crystals.
- 社団法人応用物理学会の論文
- 1997-09-15
著者
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FUKAZAWA Tomoyuki
JASCO Co., Ltd.
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TADOKORO Toshiyasu
JASCO Corporation
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Toriumi Hirokazu
Department Of Chemistry College Of Arts And Sciences The University Of Tokyo
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Toriumi Hirokazu
Department Of Chemistry College Of Arts And Science The University Of Tokyo
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Tadokoro Toshiyasu
Jasco Corporation Spectroscopic Instruments Division
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Fukazawa Tomoyuki
Jasco Corporation Spectroscopic Instruments Division
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