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Title:
Effect of void structures in crystalline structure on the shear moduli of charged colloidal crystals
Author: Wang LW(王林伟); Xu SH(徐升华); Zhou HW(周宏伟); Sun ZW(孙祉伟); Feng Xu
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Issued Date: 2017-03-05
Volume: 516, Pages:115-120
Abstract: The existing theoretical model relating shear modulus to inter-particle interaction potential always significantly overestimates the modulus compared with its experimental value for colloidal crystal formed by highly-charged particles. We suppose that such huge disagreements between the theoretical and experimental results are due to that the theoretical model is derived from perfect crystalline structures. To modify the theoretical model, the effect of void defects is introduced to the model and the Sogami-Ise potential model is adopted instead of the commonly used Yukawa potential model. It is shown that with these two modifications the shear modulus model produces results much more consistent with the experimental ones.
Language: 英语
Indexed Type: SCI ; EI
DOI: 10.1016/j.colsurfa.2016.11.060
Subject: 化学::物理化学::胶体化学与界面化学
Department: NML复杂流体
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Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60026
Appears in Collections:国家微重力实验室_期刊论文

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Recommended Citation:
Wang LW,Xu SH,Zhou HW,et al. Effect of void structures in crystalline structure on the shear moduli of charged colloidal crystals[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects,2017-03-05,516:115-120.
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