关于用于手性传感应用的“德弗里斯”型铁电液晶材料中“巨大”电临床效应的起源
On the origin of the "giant" electroclinic effect in a "de Vries"-type ferroelectric liquid crystal material for chirality sensing applications.
作者信息
Kapernaum Nadia, Walba David M, Korblova Eva, Zhu Chenhui, Jones Chris, Shen Yongqian, Clark Noel A, Giesselmann Frank
机构信息
Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany.
出版信息
Chemphyschem. 2009 Apr 14;10(6):890-2. doi: 10.1002/cphc.200900065.
W415 is a chiral smectic compound with a remarkably weak temperature dependence of its giant electroclinic effect in the liquid crystalline smectic A* phase. Furthermore it possesses a high spontaneous polarization in the smectic C* phase. The origin of this striking electroclinic effect is the co-occurrence of a de Vries-type ordering with a weak first-order tilting transition (see the synchroton X-ray scattering profiles).
W415是一种手性近晶化合物，在液晶近晶A相中，其巨大的电致倾斜效应的温度依赖性非常弱。此外，它在近晶C相中具有较高的自发极化。这种显著的电致倾斜效应的起源是德弗里斯型有序与弱一级倾斜转变的同时出现（见同步加速器X射线散射剖面图）。
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