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Tunable gap in stable arsenene nanoribbons opens the door to electronic applications

机译:稳定的砷纳米波堡的可调间隙打开了电子应用的门

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摘要

Arsenic has been predicted to present significantly more diverse 2D phases than other elemental compounds like graphene. While practical applications must be based on finite arsenene samples, like nanoribbons, theory has so far focused on the infinite sheet. Our ab initio simulations show the clear contrast between the properties of arsenene nanoribbons and those of the monolayer, ranging from phase stability to electronic structure. We include nanoribbons derived from the buckled, puckered and square/octagon structures of bulk arsenene. The flexibility afforded by different parent structures, widths and edge passivations leads to a rich variety of semiconducting structures with tunable gaps.
机译:已经预测砷比石墨烯等其他元素化合物呈现出明显多样化的2D阶段。 虽然实际应用必须基于有限的砷烯样品,如纳米波兰人,但理论到目前为止,迄今为止集中在无限纸上。 我们的AB Initio模拟显示了亚苯纳米纳米杆和单层的性质之间的明显对比度,从相位稳定到电子结构。 我们包括衍生自烤肉,褶皱和八方树突结构的纳米波堡。 不同的父子结构,宽度和边缘钝化提供的灵活性导致具有可调谐间隙的丰富的半导体结构。

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  • 来源
    《RSC Advances》 |2019年第21期|共6页
  • 作者单位

    Univ Oviedo Dept Fis E-33007 Oviedo Spain;

    TU Wien Inst Mat Chem A-1060 Vienna Austria;

    Univ Valladolid Dept Fis Teor Atom &

    Opt E-47011 Valladolid Spain;

    Univ Santiago de Compostela Fac Fis Dept Fis Mat Condensada E-15782 Santiago De Compostela Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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