Phenomenological model for the statistical study of charged metal clusters

被引：10

作者：

Calvo, F ^{[1
]}

机构：

[1] CEA, Serv Ions Atomes & Agregats, Dept Rech Fondamentale Mat Condensee, F-38054 Grenoble 9, France

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.60.15601

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We develop a phenomenological model to represent surface charge in microscopic treatments of finite metal systems. This model is simple enough to allow for extensive simulations and global optimization for systems having as much as several hundred atoms. Applications to the Coulombic and thermal stabilities of multiply charged sodium clusters show a good agreement of the appearance sizes with experimental data at high temperatures, as well as systematic deviations to the Rayleigh limit at zero temperature. Statistical investigations also give evidence for a significant charge dependence of both the fragmentation patterns and the solid-liquid phase transition. [S0163-1829(99)13447-7].

引用

页码：15601 / 15604

页数：4

共 30 条

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