Nuclear magnetic resonance study of the smectic-cholesteric phase transition in a dimesogenic liquid crystal

被引：3
|
作者：
Han, Jun Hee [1 ]
Kim, J. S. [1 ]
Park, Jun Kue [1 ]
Lee, Kyu Won [1 ]
Jin, J. -I. [2 ]
Choi, E. H. [3 ]
Lee, Cheol Eui [1 ]
机构：
[1] Korea Univ, Dept Phys, Seoul 136713, South Korea
[2] Korea Univ, Dept Chem, Seoul 136713, South Korea
[3] Kwangwoon Univ, Dept Electrophys, Seoul 130701, South Korea
来源：
CURRENT APPLIED PHYSICS | 2014年 / 14卷 / 10期
基金：
新加坡国家研究基金会;
关键词：
Dimesogenic liquid crystal; Smectic to chiral nematic phase transition; Order parameters; Deuterium NMR and carbon NMR; NMR-SPECTROSCOPY; ORDER PARAMETERS; NANO;
D O I：
10.1016/j.cap.2014.07.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nuclear magnetic resonance (NMR) spectroscopy has provided a unique opportunity to study the characteristic smectic-A to chiral nematic phase transition in a dimesogenic liquid crystal("KI-5S"). The order parameters in the liquid crystalline phases were obtained from the H-2 NMR quadrupole splitting and C-13 NMR chemical shift measurements, manifesting a first-order smectic-nematic phase transition. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：1356 / 1359
页数：4
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