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Nematic anchoring transitions on bistable SiO films driven by temperature and impurities

 

作者: R. BARBERI,   M. GIOCONDO,   M. IOVANE,   I. DOZOV,   E. POLOSSAT,  

 

期刊: Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 25, issue 1  

页码: 23-29

 

ISSN:0267-8292

 

年代: 1998

 

DOI:10.1080/026782998206461

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The influence of temperature and impurities on the surface orientation of nematic 5CB on obliquely SiO evaporated glass plates has been studied. We observe on cooling a continuous anchoring transition from the planar alignment to the tilted one. The experimental data have been interpreted by using elastic models developed by Durand and coworkers in which the surface order parameter can vary in space, close to the surface.

 

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