AunXm(n+m=4,X=Cu,Al,Y)混合小团簇的结构和稳定性研究

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采用基于密度泛函理论的B3LYP方法,优化了AunXm(n+m=4,X=Cu,Al,Y)二元混合团簇的稳定结构.计算了稳定结构的平均结合能、电离势、电子亲和势、最高占据轨道能级和最低空轨道能级及二者间的能隙.结合Mulliken集居数分析研究了二元混合团簇稳定存在的规律,得出掺杂可以增强团簇稳定性的结论.
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