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Title: Brownian dynamics simulation of the crystallization dynamics of charged colloidal particles
Author: Gu LY(顾凌云); Xu SH(徐升华); Sun ZW(孙祉伟); Wang JT
Source: Journal of Colloid and Interface Science
Issued Date: 2010
Volume: 350, Issue:2, Pages:409-416
Abstract: Crystal formation process of charged colloidal particles is investigated using Brownian dynamics (BD) simulations. The particles are assumed to interact with the pair-additive repulsive Yukawa potential. The time evolution of crystallization process and the crystal structure during the simulation are characterized by means of the radial distribution functions (RDF) and mean square displacement (MSD). The simulations show that when the interaction is featured with long-range, particles can spontaneously assemble into body-centered-cubic (BCC) arrays at relatively low particle number density. When the interaction is short-ranged, with increasing the number density particles become trapped into a stagnant disordered configuration before the crystallization could be actualized. The simulations further show that as long as the trapped configurations are bypassed, the face-centered-cubic (FCC) structures can be achieved and are actually more stable than BCC structures. (C) 2010 Elsevier Inc. All rights reserved.
Keyword: Colloidal Crystallization ; Brownian Dynamics Simulation ; Yukawa Potential ; Phase-Diagram ; Computer-Simulation ; Yukawa Systems ; Crystals ; Model ; Nucleation ; Spheres ; Transition ; Line
Language: 英语
Indexed Type: SCI
Corresponding Author: Sun ZW
Correspondent Email: sunzw@imech.ac.cn
DOI: 10.1016/j.jcis.2010.07.009
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Chemistry, Physical
WOS Subject Extended: Chemistry
WOS Keyword Plus: PHASE-DIAGRAM ; COMPUTER-SIMULATION ; YUKAWA SYSTEMS ; CRYSTALS ; MODEL ; NUCLEATION ; SPHERES ; TRANSITION ; LINE
WOS ID: WOS:000281417800005
ISSN: 0021-9797
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/43637
Appears in Collections:国家微重力实验室_期刊论文

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JOURNAL OF COLLOID AND INTERFACE SCIENCE.2010,350(2):409-416
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