Please use this identifier to cite or link to this item: http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/196
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dc.contributor.authorEvans, R
dc.contributor.authorKumaravadivel, R
dc.date.accessioned2014-02-02T05:28:26Z
dc.date.accessioned2022-07-11T09:44:18Z-
dc.date.available2014-02-02T05:28:26Z
dc.date.available2022-07-11T09:44:18Z-
dc.date.issued1976
dc.identifier.issn00223719
dc.identifier.urihttp://repo.lib.jfn.ac.lk/ujrr/handle/123456789/196-
dc.description.abstractAssuming that the interaction between metallic pseudo-ions is of the form introduced by Evans (1974, 1975), an approximate expression for the excess free energy of the system is derived using the thermodynamic perturbation theory of Weeks, Chandler and Anderson (1971). This excess free energy is then minimized with respect to a parameter which specifies the ion density profile, and the surface tension is given directly. From consideration of the dependence of the interionic forces on the electron density it is predicted that the ions should take up a very steep density profile at the liquid metal surface. The values of the surface tension calculated for liquid Na, K and Al from a simplified version of the theory are in reasonable agreement with experiment.en_US
dc.language.isoenen_US
dc.titleA thermodynamic perturbation theory for the surface tension and ion density profile of a liquid metalen_US
dc.typeArticleen_US
Appears in Collections:Physics



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