Elastic properties of C and BxCyNz composite nanotubes

被引：1208

作者：

Hernandez, E ^{[1
]}

Goze, C

Bernier, P

Rubio, A

机构：

[1] Univ Valladolid, Dept Fis Teor, E-47011 Valladolid, Spain

[2] Univ Montpellier 2, Dynam Phases Condensees Grp, F-34090 Montpellier, France

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.80.4502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a comparative study of the energetic, structural, and elastic properties of carbon and composite single-wall nanotubes, including BN, BC3, and BC2N nanotubes, using a nonorthogonal tight-binding formalism. Our calculations predict that carbon nanotubes have a higher Young modulus than any of the studied composite nanotubes, and of the same order as that found for defect-free graphene sheets. We obtain good agreement with the available experimental results.

引用

页码：4502 / 4505

页数：4

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