Piezoresistive effect in single-walled carbon nanotubes

被引：7

作者：

Lyapkosova, O. S. ^{[1
]}

Lebedev, N. G. ^{[1
]}

机构：

[1] Volgograd State Univ, Volgograd 400062, Russia

来源：

PHYSICS OF THE SOLID STATE | 2012年 / 54卷 / 07期

关键词：

Carbon Nanotubes; Hubbard Model; Science Intensive Technology; Elastic Conductivity; Dimensional Brillouin Zone;

D O I：

10.1134/S1063783412070232

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

This paper reports on the results of the theoretical investigation of the piezoresistive effect in single-walled carbon nanotubes of two structural modifications: arm-chair type and zig-zag type. The variation in the band gap of semiconducting nanotubes under the influence of the compressive and tensile deformations has been analyzed. The main quantitative characteristic of the piezoresistive effect-the longitudinal component of the elastic conductivity tensor-has been calculated, and its dependence on the diameter of semiconducting nanotubes has been shown. The variants of practical implementation of the effect under study have been proposed.

引用

页码：1501 / 1506

页数：6

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