Magnetically controlled anchoring of nematic liquid crystal

被引：1
|
作者：
Buluy, O [1 ]
Reshetnyak, V [1 ]
Reznikov, Y [1 ]
机构：
[1] NASU, Inst Phys, UA-03039 Kiev, Ukraine
来源：
NONLINEAR OPTICS OF LIQUID AND PHOTOREFRACTIVE CRYSTALS | 2003年 / 5257卷
关键词：
ferroparticles; nematic liquid crystals; ferronematics; ferro-nematic suspension; alignment anchoring;
D O I：
10.1117/12.545794
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We consider the effect of magnetically controlled anchoring of ferro-nematic suspensions. Together with co-authors we recently found that application of a weak magnetic field to a cell filled with the ferro-suspension induced an axis of easy orientation of the director of liquid crystal on a polymer surface (Mol. Cryst. Liq. Cryst., 375, 81, (2002)). Here we present a simple theoretical model of the effect that assumed coupling between liquid crystal and the applied magnetic field. This coupling is assumed to be a combination of the interaction between magnetic field with ferro-particles magnetic momentum on the one hand and LC director anchoring with these particles on the other hand.
引用
收藏
页码：43 / 47
页数：5
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