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CORRELATIONS BETWEEN SURFACE AND BULK LIQUID-CRYSTAL ALIGNMENT OBSERVED WITH OPTICAL 2ND-HARMONIC GENERATION

被引：58
作者：
BARMENTLO, M
HOLLERING, RWJ
VANAERLE, NAJM
机构：
[1] Philips Research Laboratories, 5600 JA Eindhoven
来源：
PHYSICAL REVIEW A | 1992年 / 46卷 / 08期
关键词：
D O I：
10.1103/PhysRevA.46.R4490
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
With the use of optical second-harmonic generation from liquid-crystal (LC) monolayers adsorbed on rubbed polymer surfaces, a close correlation between the rubbing-induced azimuthal orientational distribution of the LC monolayers and the resulting LC bulk pretilt angle has been observed. A simple model based on epitaxial growth of the bulk LC on top of the first LC monolayer is proposed to explain this correlation.
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页码：R4490 / R4493
页数：4
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