Vibrational studies on the dynamics of switching between the surface-stabilized states of a ferroelectric liquid crystal by asynchronous time-resolved fourier transform infrared spectroscopy

Koji Masutani*, Akira Yokota, Yukio Furukawa, Mitsuo Tasumi, Atsushi Yoshizawa

*この研究の対応する著者

研究成果査読

29 被引用数 (Scopus)

抄録

Time-resolved polarized infrared spectra have been observed from a ferroelectric liquid crystal (chiral smectic C phase) consisting of a chiral dopant and a nonchiral smectic base during the course of switching between the surface-stabilized states. A primary fast process and the subsequent slow process have been observed for all infrared bands. The chiral dopant and smectic base molecules move simultaneously. The observed time behavior of the infrared bands can be mostly explained by the reorientation of a rigid molecule whose rotational motion around the molecular long axis is almost free. The static intensities and the time behavior of the ester and keto C=O stretching bands do not seem to be consistent with the simple view on the role of these groups.

本文言語English
ページ(範囲)1370-1375
ページ数6
ジャーナルApplied Spectroscopy
47
9
DOI
出版ステータスPublished - 1993
外部発表はい

ASJC Scopus subject areas

  • 器械工学
  • 分光学

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