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非层收缩型液晶化合物自支撑膜中表面诱导倾斜层的异常行为。

Unusual behavior of the surface-induced tilted layers in free-standing films of a non-layer-shrinkage liquid crystal compound.

作者信息

Wang S T, Han X F, Liu Z Q, Cady A, Radcliffe M D, Huang C C

机构信息

School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Dec;68(6 Pt 1):060702. doi: 10.1103/PhysRevE.68.060702. Epub 2003 Dec 23.

DOI:10.1103/PhysRevE.68.060702
PMID:14754172
Abstract

Null-transmission ellipsometry has been conducted to study the molecular arrangements in free-standing films of one chiral compound above the bulk smectic-A-smectic-C* transition temperature. Upon cooling under a proper electric field, a nonplanar-anticlinic-synclinic or a nonplanar-synclinic transition has been observed. The nonplanar structure continuously evolves into the anticlinic or synclinic structures. Increasing electric field can induce a rare transition from a synclinic to an anticlinic structure.

摘要

已采用零透射椭圆偏振法研究一种手性化合物的自支撑薄膜在近晶A-近晶C*体相转变温度以上的分子排列。在适当电场下冷却时，观察到了非平面-反倾斜-共倾斜或非平面-共倾斜转变。非平面结构持续演化为反倾斜或共倾斜结构。增加电场可诱导从共倾斜结构到反倾斜结构的罕见转变。

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