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Brownian dynamics simulation of the crystallization dynamics of charged colloidal particles
Gu LY(顾凌云); Xu SH(徐升华); Sun ZW(孙祉伟); Wang JT; Sun ZW
Source PublicationJournal of Colloid and Interface Science
2010
Volume350Issue:2Pages:409-416
ISSN0021-9797
AbstractCrystal 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.
KeywordColloidal Crystallization Brownian Dynamics Simulation Yukawa Potential Phase-diagram Computer-simulation Yukawa Systems Crystals Model Nucleation Spheres Transition Line
DOI10.1016/j.jcis.2010.07.009
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000281417800005
WOS KeywordPHASE-DIAGRAM ; COMPUTER-SIMULATION ; YUKAWA SYSTEMS ; CRYSTALS ; MODEL ; NUCLEATION ; SPHERES ; TRANSITION ; LINE
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Natural Science Foundation of China [10672173, 10972217] ; Chinese Academy of Sciences [KJCX2-YW-L08]
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43637
Collection国家微重力实验室
Corresponding AuthorSun ZW
Recommended Citation
GB/T 7714
Gu LY,Xu SH,Sun ZW,et al. Brownian dynamics simulation of the crystallization dynamics of charged colloidal particles[J]. Journal of Colloid and Interface Science,2010,350(2):409-416.
APA 顾凌云,徐升华,孙祉伟,Wang JT,&Sun ZW.(2010).Brownian dynamics simulation of the crystallization dynamics of charged colloidal particles.Journal of Colloid and Interface Science,350(2),409-416.
MLA 顾凌云,et al."Brownian dynamics simulation of the crystallization dynamics of charged colloidal particles".Journal of Colloid and Interface Science 350.2(2010):409-416.
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