Elastic strain of freely suspended single-wall carbon nanotube ropes

被引：528

作者：

Walters, DA ^{[1
]}

Ericson, LM

Casavant, MJ

Liu, J

Colbert, DT

Smith, KA

Smalley, RE

机构：

[1] Rice Univ, Ctr Nanoscale Sci & Technol, Houston, TX 77251 USA

[2] Rice Univ, Dept Chem, Houston, TX 77251 USA

[3] Rice Univ, Dept Phys, Houston, TX 77251 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 25期

关键词：

D O I：

10.1063/1.124185

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have induced large elastic strains in ropes of single-wall carbon nanotubes, using an atomic force microscope in lateral force mode. Freely suspended ropes were observed to deform as elastic strings with tension proportional to elongation. Ropes were elastically deformed over > 10 cycles without showing signs of plastic deformation. The maximum strain observed, 5.8 +/- 0.9%, gives a lower bound of 45 +/- 7 GPa for the tensile strength (specifically, yield stress) of single-wall nanotube ropes. (C) 1999 American Institute of Physics. [S0003-6951(99)04325-9].

引用

页码：3803 / 3805

页数：3

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