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arXiv 1606.01423cond-mat.softcond-mat.stat-mechphysics.chem-ph
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带电胶体悬浮液中的交替弦和团簇

Alternating strings and clusters in suspensions of charged colloids

Jeffrey C. Everts, Marjolein N. van der Linden, Alfons van Blaaderen, René van Roij

摘要:

我们报告的形成交替字符串和集群在一个二元悬浮液的排斥带电胶体与双层大于颗粒尺寸。在一个二进制电池模型,我们包括多体和电荷调节效应的假设下,一个恒定的表面电位,并考虑其影响的两粒子相互作用的潜力。我们发现,诱导偶极子接近电荷反转状态的形成可以解释这些结构的形成。最后,我们将触及哑铃和小集团在一个单组分系统,其中有效的静电相互作用总是排斥的形成。

英文摘要:

We report the formation of alternating strings and clusters in a binary suspension of repulsive charged colloids with double layers larger than the particle size. Within a binary cell model we include many-body and charge-regulation effects under the assumption of a constant surface potential, and consider their repercussions on the two-particle interaction potential. We find that the formation of induced dipoles close to a charge-reversed state may explain the formation of these structures. Finally, we will touch upon the formation of dumbbells and small clusters in a one-component system, where the effective electrostatic interaction is always repulsive.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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