Impurity Effect on Domain Formation in a Nematic Liquid Crystal
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概要
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The effect of impurity on domain formation in an ethyl anisal-<I>p</I>-aminocinnamate nematic liquid crystal was investigated. With the decrease of the content of ionic impurities, the threshold voltage of the domain formation increases and the size of the domain patterns becomes larger. With blocking electrodes, the domain patterns could not be seen, although molecular orientation was still observed. When a negative electrode is coated partly with Nesa and partly with gold, the domain patterns appear first in the Nesa (<I>n</I>-type) part. When an electric field is cut and applied within one second intervals, the domains reappear at the same places. The mechanism of domain formation is discussed.
- 公益社団法人 日本化学会の論文
著者
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YOKOYAMA Masaaki
Department of Agricultural Chemistry, Faculty of Agriculture, Kyushu University
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Okamoto Ken-ichi
Department Of Advanced Materials Science & Engineering Faculty Of Engineering Yamaguchi Universi
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Mikawa Hiroshi
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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Kusabayashi Shigekazu
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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Sawa Hiroshi
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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Nakauchi Jun
Department of Applied Chemistry, Faculty of Engineering, Osaka University
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