Temperature dependence of liquid crystal tilt angles
作者:
H. A. van Sprang,
R. G. Aartsen,
期刊:
Applied Physics Letters
(AIP Available online 1983)
卷期:
Volume 42,
issue 8
页码: 669-671
ISSN:0003-6951
年代: 1983
DOI:10.1063/1.94067
出版商: AIP
数据来源: AIP
摘要:
In a homogeneous cell the origin of the steep decrease, which is always observed in the liquid crystal tilt angle on an SiO coating as a function of temperature in the range close toTc, is traced back to the growth of twist domains. It appears that a magnetic null method is unsuited for accurate tilt angle measurements in the relevant temperature region, because it is based on the assumption of a homogeneous director pattern in the sample cell.
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