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Investigations of the structure of a cholesteric phase with a temperature induced helix inversion and of the succeeding Sc* phase in thin liquid crystal cells

 

作者: I. Dierking,   F. Gieβelmann,   P. Zugenmaier,   W. Kuczynskit,   S.T. Lagerwall,   B. Stebler,  

 

期刊: Liquid Crystals  （Taylor Available online 1993）
卷期: Volume 13, issue 1  

页码: 45-55

 

ISSN:0267-8292

 

年代: 1993

 

DOI:10.1080/02678299308029052

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Investigations of 4-[(S, S)-2, 3 epoxyhexyloxy]-phenyl-4-(decyloxy)-benzoate by polarizing microscopy, the Cano-Grandjean method, optical rotation dispersion and UV-VIS spectroscopy reveal a cholesteric phase with temperature induced reversal of the helical twist. Switching time experiments in the Sc* phase show that the intrinsic helix can be unwound reversibly and irreveribly by application of electric fields of different strengths.

 

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