Liquid-glass transition phase diagram for concentrated charge-stabilized colloids

被引:35
作者
Lai, SK [1 ]
Ma, WJ [1 ]
vanMegen, W [1 ]
Snook, IK [1 ]
机构
[1] ROYAL MELBOURNE INST TECHNOL, DEPT APPL PHYS, MELBOURNE, VIC 3001, AUSTRALIA
来源
PHYSICAL REVIEW E | 1997年 / 56卷 / 01期
关键词
D O I
10.1103/PhysRevE.56.766
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We model interactions between charged colloidal particles by the screened Coulomb potential, and employ the analytically solved static structure factor in conjunction with the idealized mode-coupling theory to determine the liquid-glass transition phase boundary. We find that the presence of an ionic screening has the consequence of revealing a subtle competition between the hard-core geometric factor and the charge-induced screening effect, resulting, for the strong screening case, in an extended charge-stabilized suspension and, for the weak screening case, in a more restrictive ergodic domain.
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页码:766 / 769
页数:4
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