Theoretical investigation on the electronic structure of one dimensional infinite monatomic gold wire: insights into conducting properties.
Theoretical investigation on the electronic structure of one dimensional infinite monatomic gold wire: insights into conducting properties.
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一维无限单原子金线电子结构的理论研究:对导电性能的见解
DOI:
10.1039/c8ra08286c
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发表时间:
2019-01-09
期刊:
影响因子:
3.9
通讯作者:
Zhu, Chun
中科院分区:
文献类型:
--
作者:
Liang, Jin-Xia;Wu, Yanxian;Deng, Hongfang;Long, Changliang;Zhu, Chun
Mixed-valence metal–organic nanostructures show unusual electronic properties. In our pervious investigation, we have designed and predicted a unique one-dimensional infinite monatomic gold wire (1D-IMGW) with excellent conductivity and the interesting characteristic of mixed valency (Auc3+ and Au0i). For further exploring its conduction properties and stability in conducting state, here we select one electron as a probe to explore the electron transport channel and investigate its electronic structure in conducting state. Density functional theory (DFT) calculations show the 1D-IMGW maintains its original structure in conducting state illustrating its excellent stability. Moreover, while adding an electron, 1D-IMGW is transformed from a semiconductor to a conductor with the energy band mixed with Auc (5d) and Aui (6s) through the Fermi level. Thus 1D-IMGW will conduct along its gold atom chain demonstrating good application prospect in nanodevices. The electron transport is along the energy band mixed with Auc (5d) and Aui (6s) through the Fermi level for [1D-IMGW]−.
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