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计算机模拟铌原子簇的稳定构型和能量性质
Authors
张乾二
林梦海
王南钦
谭凯
Publication date
15 January 2005
Publisher
Abstract
采用密度泛函(DFT)方法结合全局优化“Basin-Hopping”算法研究了铌原子簇: 对于 Nb 小簇 n=2~6 我们用密度泛函方法计算了它们的稳定几何构型和电子结构, 通过拟合计算结果构造铌原子簇势能函数, 并利用该函数和全局优化“Basin-Hopping”算法得到较大铌原子簇(n=7~20)能量极小的结构. 计算结果表明与实验及其它计算结果相一致
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Last time updated on 16/06/2016