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Alignment of nematic liquid crystals by inhomogeneous surfaces

 

作者: Hiap Liew Ong,   Alan J. Hurd,   Robert B. Meyer,  

 

期刊: Journal of Applied Physics  (AIP Available online 1985)
卷期: Volume 57, issue 2  

页码: 186-192

 

ISSN:0021-8979

 

年代: 1985

 

DOI:10.1063/1.334841

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Variable oblique alignment of nematic liquid crystals has been achieved on microscopically inhomogeneous surfaces. The surfaces consist of small patches favoring vertical (homeotropic) alignment surrounded by a matrix favoring a planar alignment. The construction of these surfaces employs randomly distributed microscopic metal islands formed by certain metals as vapor‐deposited films. Larger scale periodic patterns were made as well to verify the techniques. The results are interpreted in terms of a continuum elasticity theory and azimuthal degeneracy is also discussed.

 

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