APPLICATION OF INFRARED ATR SPECTROSCOPY TO LIQUID CRYSTALS - 3.

Kazuaki Wagatsuma, Aritada Hatta, Wataru Suetaka

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Infrared absorption measurements of nematic N-(p-ethoxybenzylidene)-p prime -cyanoaniline (EBCA) under a DC electric field were performed by means of ATR method. DC voltages up to 15 V were applied to the nematic liquid crystal 15 mu m thick between a silicon ATR prism (probing electrode) and an In//2O//3-coated glass electrode (opposite electrode). By using this method the orientational behavior of molecules in boundary layers about 1 mu m thick at the Si electrode was investigated. The threshold voltage for the dielectric orientation varied from 2 to 6 V depending upon the boundary conditions at the opposite electrode, and the maximum degree of order of homeotropic orientation was found to be 0. 6-0. 7. A storage effect, in which a homeotropic texture induced by the electric field remains unaltered even if the field is removed or reversed, was observed.

本文言語English
ページ(範囲)179-192
ページ数14
ジャーナルMolecular Crystals and Liquid Crystals
55
1-4
DOI
出版ステータスPublished - 1979
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)

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