Mechanical and electrical contact resistance characteristics of a cellular assembly of carbon nanotubes

被引：11

作者：

Kiran, M. S. R. N. ^{[1
]}

Ramamurty, U. ^{[1
]}

Misra, Abha ^{[2
]}

机构：

[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India

[2] Indian Inst Sci, Dept Instrumentat & Appl Phys, Bangalore 560012, Karnataka, India

来源：

NANOTECHNOLOGY | 2013年 / 24卷 / 01期

关键词：

LUTTINGER-LIQUID BEHAVIOR; TRANSPORT;

D O I：

10.1088/0957-4484/24/1/015707

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We employ nanoindentation coupled with electrical contact resistance measurements for simultaneous characterization of the electrical and mechanical behaviors of a cellular assembly of carbon nanotubes (CNTs). Experimental results reveal two different responses that correspond to relatively dense and porous regions of the cellular structure. Distinct nonlinear electron transport characteristics are observed, which mainly originate from diffusive conductance in the CNT structure. In the denser region, differential conductance shows asymmetric minima at lower bias, implying that conductivity mainly results from bulk tunneling. However, the porous regions show insignificant differential conduction as opposed to the denser region.

引用

页数：5

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