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A re-entrant Col ho phase

 

作者: W. FIMMEN,   B. GLUSEN,   A. KETTNER,   M. WITTENBERG,   J. H. WENDORFF,  

 

期刊: Liquid Crystals  （Taylor Available online 1997）
卷期: Volume 23, issue 4  

页码: 569-573

 

ISSN:0267-8292

 

年代: 1997

 

DOI:10.1080/026782997208172

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The formation of a re-entrant columnar discotic hexagonal ordered phase (re-entrant Col ho phase) is reported for the asymmetrically substituted triphenylene 3,6,7,10,11-penta- pentyloxytriphenylene-2-yl pivaloate (pivaloate) and its structural and dynamic properties described. The re-entrant phase behaviour is strongly modified by doping the pivaloate with the electron acceptor 2,4,7-trinitrofluorenone (TNF).

 

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