MODULATED PHOTOREGULATION OF LIQUID-CRYSTAL ALIGNMENT BY AZOBENZENE LANGMUIR-BLODGETT LAYERS - REVERSIBLE ALIGNMENT CHANGES OF LIQUID-CRYSTALS INDUCED BY PHOTOCHROMIC MOLECULAR FILMS .11.

被引:25
作者
SEKI, T
SAKURAGI, M
KAWANISHI, Y
SUZUKI, Y
TAMAKI, T
ICHIMURA, K
FUKUDA, R
HIRAMATSU, H
机构
[1] TOKYO INST TECHNOL,RESOURCES UTILIZAT RES LAB,MIDORI KU,YOKOHAMA,KANAGAWA 227,JAPAN
[2] NIHON UNIV,COLL IND TECHNOL,NARASHINO,CHIBA 275,JAPAN
关键词
D O I
10.1016/0040-6090(92)90418-B
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In-plane homogeneous alignment controls of a liquid crystal on photochromic azobenzene (Az) Langmuir-Blodgett layers are investigated. A nematic liquid crystal takes the parallel (planar) alignment with the cis-Az surface. In this mode LC molecules are oriented parallel to the dipping direction when the deposition number is more than 3. Under particular conditions a linearly polarized UV light induces subsequent in-plane reorientation of the LC molecules, the reorientation direction being perpendicular to the polarization plane.
引用
收藏
页码:836 / 838
页数:3
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