Dynamics of thin-layered colloidal crystals from single layer to multi layers; Crossover behavior from 2D to 3D

被引：0
|
作者：
Ueno, T. [1 ]
Hamano, K. [1 ]
Nishio, I. [1 ]
机构：
[1] Aoyama Gakuin Univ, Dept Math & Phys, Fuchinobe 5-10-1, Sagamihara, Kanagawa 2298558, Japan
来源：
FLOW DYNAMICS | 2006年 / 832卷
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We report an analysis of the mean-square-displacement of single particle motions in single-layered, multi-layered, and 3-dimensional (3D) colloidal crystals by digital video microscopy. The essential feature of the time evolution of the mean-square-displacement for thin-layered colloidal crystals is the logarithmic divergence in the large delay-time region. With an increase in the number of layers, such divergence diminishes and the long delay-time behavior gradually approaches the convergence seen for a 3D crystal. Theoretical calculations based on an over-damped bead-spring lattice model are in good agreement with the experimental results.
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页码：263 / +
页数：3
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