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Alternative TitleA Brownian dynamic simulation to verify the effective hard-sphere model criterion for the formation of charged colloidal crystals
顾凌云; 徐升华; 孙祉伟
Source Publication物理学报=Acta Physica Sinica
Other AbstractThe mechanism for the formation of colloidal crystals in charge-stabilized colloids is more complicated than that of hard-sphere colloidal crystals.And there is still lack of available criterion for the formation of charged colloidal crystals.The effective hard-sphere model suggests a criterion in which the effective diameter is used as a crucial parameter.In order to test the validity of this criterion,the characteristics of charged colloidal crystals with different effective diameters are investigated using Brownian dynamics simulations in this study.The crystallization behaviors with different geometric particle diameters and repulsive forces are also studied with some fixed effective diameters.In the simulation,the time evolution of crystallization process and the crystal structure during the simulation are characterized by means of the radial distribution functions and bond-order parameters.The results show that the effective hard-sphere model criterion has its reasonableness to some extent.However,the effective diameter cannot be used as the only parameter that influences the formation of charged colloidal crystals.The influence of other parameters should also be taken into account,which indicates that the criterion is one-sided. 更多
Keyword布朗动力学模拟 有效硬球模型 带电胶体晶体 Brownian Dynamics Simulations Charged Colloidal Crystals Effective Hard-sphere Model Range Attractive Interaction Monte-carlo Crystallization Particles Suspensions Nucleation Mixtures Systems Physics
Subject Area力学
Indexed BySCI ; CSCD
WOS IDWOS:000299359800057
Funding Organization国家自然科学基金(批准号:10972217,11032011);中国科学院知识创新工程重要方向性项目(批准号:KJCX2-YW-L08)资助的课题~~
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author顾凌云
Recommended Citation
GB/T 7714
顾凌云,徐升华,孙祉伟. 带电粒子形成胶体晶体的有效硬球模型判据的计算机模拟验证[J]. 物理学报=Acta Physica Sinica,2011,60(12):411-420.
APA 顾凌云,徐升华,&孙祉伟.(2011).带电粒子形成胶体晶体的有效硬球模型判据的计算机模拟验证.物理学报=Acta Physica Sinica,60(12),411-420.
MLA 顾凌云,et al."带电粒子形成胶体晶体的有效硬球模型判据的计算机模拟验证".物理学报=Acta Physica Sinica 60.12(2011):411-420.
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