| 用积分方程方法决定胶粒之间的空耗势 |
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| 作者单位： | 株洲工学院现代统计力学研究所,株洲,412008;株洲工学院现代统计力学研究所,株洲,412008;株洲工学院现代统计力学研究所,株洲,412008;株洲工学院现代统计力学研究所,株洲,412008 |
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| 基金项目： | 国家自然科学基金;湖南省自然科学基金 |
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| 摘 要： | ![]()
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| 关 键 词： | 空耗势 胶体 积分方程理论 |
Integral Equation Method for the Determination of the Depletion Potential Between Two Colloidal Particles |
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| Zhou Shiqi,Zhang Xiaoqi,Xiang Xianwei,Xiang Hong. Integral Equation Method for the Determination of the Depletion Potential Between Two Colloidal Particles[J]. Chinese Journal of Chemical Physics, 2004, 17(1): 38-44. DOI: 10.1088/1674-0068/17/1/38-44 |
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| Authors: | Zhou Shiqi Zhang Xiaoqi Xiang Xianwei Xiang Hong |
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| Abstract: | ![]()
Binary components Ornstein-Zernike integral equation with the concentration of large particle component being set to zero was employed to study the depletion potential behavior between two large neutral colloid particles （modeled as hard spheres）immersed in a sea of small neutral solvent particles. The prediction for the depletion potential behavior compared well with simulation data and experimental data available in the literature. It is found that the Hansen-Verlet one phase criterion，based on the effective one component system with the present depletion potential，for the freezing transition is completely not suitable for the real binary components system. It is disclosed that the unsuitability is due to the volume term of the solid phase and liquid phase which can not be treated selfconsistently in the Hansen-Verlet one phase criterion. |
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| Keywords: | Depletion potential，Colloids，Integral equation theory |
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