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

页码：1356 / 1359

页数：4

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