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Sign Reversal of the Spontaneous Polarization in the C* Phase of a Side-Chain Polyacrylate and Its Monomer

 

作者: G. Scherowsky,   B. Brauer,   K. Grünegerg,   U. Müller,   L. Komitov,   S.T. Lagerwall,   K. Skarp,   B. Stebler,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1992）
卷期: Volume 215, issue 1  

页码: 257-270

 

ISSN:1058-725X

 

年代: 1992

 

DOI:10.1080/10587259208038533

 

出版商: Taylor & Francis Group

 

关键词: ferroelectric;liquid crystals;side chain;polymers

 

数据来源: Taylor

 

摘要:

The electro-optic response in the C* phase of a side-chain polyacrylate and its monomer has been found to exhibit an anomalous dependence on temperature. The apparent tilt angle undergoes a sign reversal. The anomaly is attributed to a sign reversal of the spontaneous polarization, caused by molecular conformational changes in the monomer part.

 

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