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Infrared Spectra of Liquid Crystals. III. Rotational Diffusion in Smectic and Cholesteric Mesophase

 

作者: P. Simova,   N. Kirov,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1975）
卷期: Volume 8, issue 8  

页码: 561-570

 

ISSN:0038-7010

 

年代: 1975

 

DOI:10.1080/00387017508067360

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The half-width temperature dependence of various bands from IR spectra of different smectic and cholesteric liquid crystals has been investigated. The activation energy for rotational diffusion Uoτis determined in smectic, cholesteric and isotropic phases. A relationship between the value of Uoτand mesophase stability was found.

 

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