Tunable Adsorbate-Adsorbate Interactions on Graphene

被引：22

作者：

Solenov, Dmitry ^{[1
]}

Junkermeier, Chad ^{[1
]}

Reinecke, Thomas L. ^{[2
]}

Velizhanin, Kirill A. ^{[3
]}

机构：

[1] Natl Acad, Natl Res Council, Washington, DC 20001 USA

[2] Naval Res Lab, Washington, DC 20375 USA

[3] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 11期

关键词：

ELASTIC INTERACTION;

D O I：

10.1103/PhysRevLett.111.115502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a mechanism to control the interaction between adsorbates on graphene. The interaction between a pair of adsorbates-the change in adsorption energy of one adsorbate in the presence of another-is dominated by the interaction mediated by graphene's pi electrons and has two distinct regimes. Ab initio density functional, numerical tight-binding, and analytical calculations are used to develop the theory. We demonstrate that the interaction can be tuned in a wide range by adjusting the adsorbate-graphene bonding or the chemical potential.

引用

页数：5

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