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Thermotropic Lamellar-to-Columnar Phase Transition Exhibited by a Biforked Compound

 

作者: D. Guillon,   B. Heinrich,   A.C. Ribeiro,   C. Cruz,   H.T. Nguyen,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 317, issue 1  

页码: 51-64

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808047105

 

出版商: Taylor & Francis Group

 

关键词: Phase transition;X-ray diffraction;Biforked compound

 

数据来源: Taylor

 

摘要:

In this work we present a structural study of the smecticC(SC)and columnar (Colh) liquid-crystalline phases exhibited by a biforked molecule. This study was performed by means of dilatometry and X-ray diffraction measurements performed at different temperatures. Following these measurements, molecular packing within lamellar and columnar mesophases of this compound is discussed; finally, a mechanism for the lamellar-columnar transition is proposed.

 

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