Ballistic thermal and electrical conductance measurements on individual multiwall carbon nanotubes

被引：59

作者：

Brown, E

Hao, L

Gallop, JC

Macfarlane, JC

机构：

[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England

[2] Univ Strathclyde, Glasgow G4 0NG, Lanark, Scotland

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 02期

关键词：

D O I：

10.1063/1.1993768

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report thermal measurements on individual carbon nanotubes using a temperature sensing scanned microscope probe. An arc-grown bundle of multiwalled nanotubes (MWNTs) is mechanically attached to a thermal probe. The heat flow down individual MWNTs is recorded as a function of the temperature difference across them. Simultaneous measurements of thermal and electrical conductance are recorded. The size of the conductance steps observed at room temperature and the correlation between electrical and thermal conductance steps are discussed and we present evidence for ballistic transport of both phonons and electrons in these tubes.

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页数：3

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