3AC03 二成分系液晶混合物の自己保持膜で現れる多様なフェリ誘電相とそのコノスコープ像観察

概要

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In this study, we investigated the bulk properties of binary mixtures with varying mixing ratio in order to understand thresholdless V-shaped switching behaviors in smectic liquid crystals. The observed jump in the helical pitch with the change of temperature in some ferrielectric phases suggests the existence of the various ferrielectric phases. In case of the mixing ratio 50:50, though the change of the helical pitch with decreasing temperature is continuous and the texture does not change, the conoscopic figure behaves from ferroelectric-like to ferrielectric-like. The behavior of the conoscopic figures in the low temperature region also shows the continuous change from the ferrielectric to the ferroelectric phase by applying an electric field.
日本液晶学会の論文
1997-09-24