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Electrohydrodynamic Instabilities in Long Pitch Ferroelectric Sc* Liquid Crystals

 

作者: Yongmao Sun,   Shide Cheng,   Zhengmin Sun,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1995）
卷期: Volume 270, issue 1  

页码: 55-60

 

ISSN:1058-725X

 

年代: 1995

 

DOI:10.1080/10587259508031015

 

出版商: Taylor & Francis Group

 

关键词: Ferroelectric liquid crystal;long pitch;electrohydrodynamic instabilities;chiral smectic C.

 

数据来源: Taylor

 

摘要:

In this paper, experimental investigations are reported on the unwinding process of a planar long pitch S*Cphase under DC and AC electric fields. The investigations are carried out ona cell with a spacing of 50μm. The DC critical fields (Edc) for unwinding the helical texture are measured at different temperatures. Three patterns of electrohydrodynamic instabilities are found to exist under AC electric fields.

 

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