Self-assembly of colloidal bands driven by a periodic external field

被引：6
|
作者：
Nunes, Andre S.
Araujo, Nuno A. M. [1 ]
Telo da Gama, Margarida M.
机构：
[1] Univ Lisbon, Dept Fis, Fac Ciencias, P-1749016 Lisbon, Portugal
来源：
JOURNAL OF CHEMICAL PHYSICS | 2016年 / 144卷 / 03期
关键词：
MAGNETIC-FIELDS; PARTICLES; DYNAMICS; CRYSTALS; COMPLEX;
D O I：
10.1063/1.4939951
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 study the formation of bands of colloidal particles driven by periodic external fields. Using Brownian dynamics, we determine the dependence of the band width on the strength of the particle interactions and on the intensity and periodicity of the field. We also investigate the switching (field-on) dynamics and the relaxation times as a function of the system parameters. The observed scaling relations were analyzed using a simple dynamic density-functional theory of fluids. (C) 2016 AIP Publishing LLC.
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页数：7
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