Mechanics of a carbon nanocoil

被引：306

作者：

Chen, XQ

Zhang, SL

Dikin, DA

Ding, WQ

Ruoff, RS ^{[1
]}

Pan, LJ

Nakayama, Y

机构：

[1] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA

[2] Univ Osaka Prefecture, Dept Phys & Elect, Sakai, Osaka 5998531, Japan

来源：

NANO LETTERS | 2003年 / 3卷 / 09期

关键词：

D O I：

10.1021/nl034367o

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An individual carbon nanocoil was clamped between two AFM cantilevers and loaded in tension to a maximum relative elongation of similar to42%. The deformation of the nanocoil agrees well with an analytical model of the spring constant that accounts for the geometric nonlinearity. The nanocoil behaves like an elastic spring with a spring constant K of 0.12 N/m in the low strain region. No plastic deformation was detected. High-resolution microscopy images and the electron energy loss spectrum (EELS) indicate that the nanocolls are amorphous with a sp(2)/sp(3) bonded-carbon ratio of similar to4:1.

引用

页码：1299 / 1304

页数：6

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