Electrical transport in rings of single-wall nanotubes: One-dimensional localization

被引：141

作者：

Shea, HR ^{[1
]}

Martel, R ^{[1
]}

Avouris, P ^{[1
]}

机构：

[1] IBM Corp, Thomas J Watson Res Ctr, Yorktown Heights, NY 10598 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.84.4441

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report low-temperature magnetoresistance (MR) measurements on rings of single-wall carbon nanotubes. Negative MR characteristic of weak one-dimensional localization is clearly observed from 3.0 to 60 K, and the coherence length L-phi, is obtained as a function of temperature. The dominant dephasing mechanism is identified as electron-electron scattering. Below 1 K, we observe a transition from weak to st,strong localization, and below 0.7 K a weak antilocalization is induced by spin-orbit scattering.

引用

页码：4441 / 4444

页数：4

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