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Energetics and electronic structures of corrugated graphene nanoribbons

机译:波纹石墨烯纳米带的能量学和电子结构

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摘要

On the basis of the density functional theory with the generalized gradient approximation, we investigated the energetics and electronic structure of graphene nanoribbons (GNRs) with structural corrugation in terms of their edge shape. Although the corrugation gradually increases, the corrugation energy remains constant under small corrugation angles for zigzag GNRs. In contrast, for armchair GNRs, the energy rapidly increases with increasing corrugation angle. The structural corrugation does not affect the local atomic structure of GNRs except that with armchair edges. The electronic structure of GNRs is insensitive to the structural corrugation up to the corrugation angle of 20 degrees for all GNRs. (C) 2018 The Japan Society of Applied Physics
机译:基于具有广义梯度近似的密度泛函理论,我们研究了具有结构皱纹的石墨烯纳米带(GNR)的能级和电子结构,其边缘形状。尽管波纹逐渐增加,但之字形GNR的波纹能量在小波纹角下仍保持恒定。相反,对于扶手椅式GNR,能量会随着波纹角的增加而迅速增加。除具有扶手椅边缘的波纹外,结构波纹不会影响GNR的局部原子结构。对于所有GNR,GNR的电子结构对结构波纹不敏感,直至20度的波纹角。 (C)2018日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2018年第8期|085101.1-085101.5|共5页
  • 作者单位

    Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan;

    Res Org Informat Sci & Technol RIST, Shinagawa Ku, Tokyo 1400001, Japan;

    Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan;

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