First-Principles Studies on the Structural and Electronic Properties of As Clusters.
First-Principles Studies on the Structural and Electronic Properties of As Clusters.
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As团簇结构和电子性质的第一性原理研究
DOI:
10.3390/ma11091596
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发表时间:
2018-09-03
期刊:
影响因子:
--
通讯作者:
Wang B
中科院分区:
文献类型:
--
作者:
Yan J;Xia J;Zhang Q;Zhang B;Wang B
Based on the genetic algorithm (GA) incorporated with density functional theory (DFT) calculations, the structural and electronic properties of neutral and charged arsenic clusters Asn (n = 2–24) are investigated. The size-dependent physical properties of neutral clusters, such as the binding energy, HOMO-LUMO gap, and second difference of cluster energies, are discussed. The supercluster structures based on the As8 unit and As2 bridge are found to be dominant for the larger cluster Asn (n ≥ 8). Furthermore, the possible geometric structures of As28, As38, and As180 are predicted based on the growth pattern.
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