Elastic Models of Defects in Two-Dimensional Crystals

被引：8

作者：

Kolesnikova, A. L. ^{[1
,2
]}

Orlova, T. S. ^{[2
,3
]}

Hussainova, I. ^{[4
]}

Romanov, A. E. ^{[2
,3
]}

机构：

[1] Russian Acad Sci, Inst Problems Mech Engn, St Petersburg 199178, Russia

[2] St Petersburg Natl Res Univ Informat Technol Mech, St Petersburg 197101, Russia

[3] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[4] Tallinn Univ Technol, EE-19086 Tallinn, Estonia

来源：

PHYSICS OF THE SOLID STATE | 2014年 / 56卷 / 12期

基金：

俄罗斯基础研究基金会;

关键词：

GRAPHENE; DISCLINATIONS; DISLOCATIONS;

D O I：

10.1134/S1063783414120166

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Elastic models of defects in two-dimensional (2D) crystals are presented in terms of continuum mechanics. The models are based on the classification of defects, which is founded on the dimensionality of the specification region of their self-distortions, i.e., lattice distortions associated with the formation of defects. The elastic field of an infinitesimal dislocation loop in a film is calculated for the first time. The fields of the center of dilatation, dislocation, disclination, and circular inclusion in planar 2D elastic media, namely, nanofilms and graphenes, are considered. Elastic fields of defects in 2D and 3D crystals are compared.

引用

页码：2573 / 2579

页数：7

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