Influence of electro-acoustic effects on the electro-optic response of charged colloids

被引：4

作者：

Dimitrov, V ^{[1
]}

Alekov, A ^{[1
]}

Stoimenova, M ^{[1
]}

机构：

[1] Bulgarian Acad Sci, Inst Phys Chem, BU-1113 Sofia, Bulgaria

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1999年 / 220卷 / 02期

关键词：

electro-acoustic waves in colloids; low-frequency anomalies in colloidal electro-optics;

D O I：

10.1006/jcis.1999.6500

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：

Low-frequency anomalous electro-optic behavior of colloidal systems (sign reversal and deviations from Kerr low) is considered in the light of electrically induced acoustic modes. The latter were recently detected and investigated in samples of isotropic spherical particles. Their linear dependence on field intensity explains the low-field "permanent dipole" behavior of charged colloids. The coupling of anisotropy and density fluctuations results in the complicated frequency curves of the electro-optic responses of anisometric particles. (C) 1999 Academic Press.

引用

页码：224 / 228

页数：5

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