First-principles investigation of monatomic gold wires under tension
First-principles investigation of monatomic gold wires under tension
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张力下单原子金线的第一性原理研究
DOI:
10.1016/j.commatsci.2019.109226
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发表时间:
2020
影响因子:
3.3
通讯作者:
Aihui Zhou
中科院分区:
文献类型:
--
作者:
Lianhua He;Fang Liu;Ju Li;Gian-Marco Rignanese;Aihui Zhou
Ab initiopseudopotential total-energy calculations on infinite monatomic chains of Au are performed within density functional theory. We use the density functional perturbation theory to study the phonon spectra of these gold wires as a function of strain. Our results show that there does not seem to be a range of strain for which the linear chain is stable, contrary to what was stated by Ribeiro and Cohen [Phys. Rev. B 68 (2003) 035423]. For low strain, the zigzag chain is the stable geometry; while for higher strain, the chains with two or more aligned gold atoms are found to be more stable. At the limit between these two regimes, we predict a transition structure (an asymmetric zigzag chain) to be the most stable.
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DOI:
10.1016/j.physe.2012.09.032
发表时间:
2012-09
影响因子:
3.3
作者:
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