Novel Electro‐Optical Storage Effect in a Certain Smectic Liquid Crystal
Novel Electro‐Optical Storage Effect in a Certain Smectic Liquid Crystal
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某种近晶液晶中的新型电光存储效应
DOI：
10.1063/1.1653902
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发表时间：
1971
影响因子：
4
通讯作者：
C. Tani
中科院分区：
文献类型：
--
作者：
C. Tani
在一种近晶液晶中发现了一种新的电光存储效应。近晶液膜的光传输随直流或交流励磁电压的施加而变化，并在磁场去除后保持在激发态。在薄（12 μ）和厚（100 μ）样品中观察到一些不同的效应。薄样品的光学对比度约为10:1。在42°C下，光存储效应在一周内衰减几个百分点。样品的V-I特性表现为负电阻，这似乎表明在电场作用下分子状态发生了变化。
A novel electro‐optical storage effect has been found in a certain smectic liquid crystal. The optical transmission of a smectic liquid film changes with the application of a dc or an ac exciting voltage and remains in the excited state after the field is removed. Some different effects are observed in a thin (12‐μ) and a thick (100‐μ) sample. The optical contrast ratios of a thin sample are about 10 : 1. The decay of the optical storage effect is a few percent in a week at 42 °C. V–I characteristics of the samples exhibit negative resistance which seems to suggest the change of the molecular state induced by electric fields.