Measurement of the flexoelectric coefficients e1 and e3 in nematic liquid crystals

被引:10
|
作者
Kischka, C. [1 ]
Parry-Jones, L. A. [1 ]
Elaton, S. J. [1 ]
Raynes, E. P. [1 ]
机构
[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England
关键词
difference; flexoelectric coefficient; flexoelectricity; sum; TN-cell; pi-cell;
D O I
10.1080/15421400701825706
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The flexoelectric coefficients e(1) and e(3) for splay and bend are measured using two experiments. The first experiment measures the sum (e(1)+e(3)) using a pi-cell and applying an ac voltage across the device. The second experiment measures the difference (e(1)-e(3)) using a TN-cell and applying an in-plane quasi-do voltage.
引用
收藏
页码:103 / 110
页数:8
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