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Ionization potential of a metal cluster containing vacancies

机译:包含空位的金属簇的电离电位

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摘要

A consistent procedure for determining the ionization potential of a large metal cluster of radius R (N, v) , consisting of N atoms and N (v) vacancies, is proposed. The perturbation theory in small parameters R (v) /R (N, v) and L (v) /R (v) (Rv and L (v) are average distance between vacancies and the length of electron scattering on vacancies, respectively) is constructed in the effective-medium approximation for the electron ground state energy. The effective vacancy potential profile, the electron scattering phase and length are calculated by the Kohn-Sham method for a macroscopic metal in the stable jelly model. The obtained analytical dependences can be useful to analyze the results of photoionization experiments and to determine the size dependence of the vacancy concentration, including that near the melting temperature.
机译:提出了一种用于确定由N原子和N(V)的半径R(N,V)的大型金属簇的电离电位的一致程序。 小参数R(v)/ R(n,v)和l(v)/ r(v)(Rv和L(v)的扰动理论分别是空位之间的平均距离,分别在空位上的电子散射长度) 构造成用于电子接地状态能量的有效介质近似。 通过在稳定的果冻模型中的宏观金属的Kohn-Sham方法计算有效空位潜在曲线,电子散射相和长度。 获得的分析依赖性可用于分析光离子化实验的结果并确定空位浓度的尺寸依赖性,包括近熔化温度。

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