Modes of motion of a colloidal crystal

被引：27

作者：

Hoppenbrouwers, M ^{[1
]}

van de Water, W ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Phys, NL-5600 MB Eindhoven, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.80.3871

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dynamical behavior of charge-stabilized colloidal crystals that consist of polystyrene spheres in highly deionized water is determined by solvent flow mediated interactions and by ionic effects. The expression of these effects strongly depends on the polarization of crystal waves. Using dynamic light scattering we trace all but the fastest known modes of motion and evaluate the influence of ion friction. We find a new mode that we ascribe to ion retardation. Our experiments point to the importance of electrophoresis for microscopic colloid dynamics.

引用

页码：3871 / 3874

页数：4

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