Chiral twisting of a smectic-A liquid crystal

被引：0

作者：

Spector, M.S. ^{[1
]}

Prasad, S.K. ^{[1
,2
]}

Weslowski, B.T. ^{[1
,3
]}

Kamien, R.D. ^{[4
]}

Selinger, J.V. ^{[1
]}

Ratna, B.R. ^{[1
]}

Shashidhar, R. ^{[1
]}

机构：

[1] Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Code 6950, Washington,DC,20375-5348, United States

[2] Centre for Liquid Crystal Research, Jalahalli, Bangalore,560 013, India

[3] George Mason University, Fairfax,VA,22030, United States

[4] Department of Physics and Astronomy, University of Pennsylvania, Philadelphia,PA,19104, United States

来源：

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2000年 / 61卷 / 04期

关键词：

Temperature distribution - Circular dichroism spectroscopy - Dichroism;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Chiral twisting of the molecular orientation within the layer of a smectic-A liquid crystal has been investigated using circular dichroism spectroscopy. The results indicate that a rotation of the layers away from the alignment direction is induced by the surface electroclinic effect. This leads to an interfacial region where the molecular director twists from the alignment direction until it reaches the layer normal direction. A theory is presented to explain the observed field and temperature dependence of the circular dichroism. © 2000 The American Physical Society.

引用

页码：3977 / 3983

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