Comment on "Band structure engineering of graphene by strain: First-principles calculations"

被引：126

作者：

Farjam, M. ^{[1
]}

Rafii-Tabar, H. ^{[1
,2
,3
]}

机构：

[1] Inst Res Fundamental Sci IPM, Dept Nanosci, Tehran, Iran

[2] Shahid Beheshti Univ Med Sci, Dept Med Phys & Biomed Engn, Tehran 19839, Iran

[3] Shahid Beheshti Univ Med Sci, Res Ctr Med Nanotechnol & Tissue Engn, Tehran 19839, Iran

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.80.167401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In their first-principles calculations of the electronic band structure of graphene under uniaxial strain, Gui, Li, and Zhong, [Phys. Rev. B 78, 075435 (2008)] have found opening of band gaps at the Fermi level. This finding is in conflict with the tight-binding description of graphene which is closed gap for small strains. In this Comment, we present first-principles calculations which refute the claim that strain opens band gaps in graphene.

引用

页数：3

共 12 条

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