Elastic models of defects in two-dimensional crystals

被引：0

作者：

A. L. Kolesnikova

T. S. Orlova

I. Hussainova

A. E. Romanov

机构：

[1] Russian Academy of Sciences,Institute of Problems of Mechanical Engineering

[2] St. Petersburg National Research University of Information Technologies,Ioffe Physical

[3] Mechanics and Optics,Technical Institute

[4] Russian Academy of Sciences,undefined

[5] Tallinn University of Technology,undefined

来源：

Physics of the Solid State | 2014年 / 56卷

关键词：

Dislocation Loop; Elastic Model; Elastic Field; Dimensional Crystal; Disclination Dipole;

D O I：

暂无

中图分类号：

学科分类号：

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：6

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