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arXiv physics/0406103physics.chem-ph
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液态金属与离子熔体接触界面张力的积分方程

Integral equation for the interfacial tension of liquid metal in contact with ionic melt

Oleg A. Kobelev, Alexandr V. Kobelev

摘要:

导出了液态金属-离子熔体界面处界面张力随外极化强度变化的封闭积分方程。应用Popel ′-Pavlov等温线分析电毛细曲线(ecc),即界面张力对电极电位的依赖关系。在“双交换参数”近似下考虑了吸附粒子间的相互作用。假定双电层(del)中的电势分布类型类似于“串联电容器”。对实验中的ecc的分析提出了求解方法。

英文摘要:

The closed integral equations for the interfacial tension as a function of external polarization at the liquid metal - ionic melt interface are derived. The version of Popel'-Pavlov isotherm is applied to the analysis of electrocapillary curves (ecc), i.e. the dependences of interfacial tension on electrode potential. The interaction between adsorbed particles is taken into account within 'two exchange parameters' approximation. The type of the distribution of electric potential in the double electric layer (del) is assumed to be like 'in series connected capacitors'. The methods of solution are proposed for the analysis of the experimental ecc's.

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