Blackbody radiation from resistively heated multiwalled carbon nanotubes during field emission

被引：62

作者：

Sveningsson, M

Jönsson, M

Nerushev, OA

Rohmund, F

Campbell, EEB ^{[1
]}

机构：

[1] Univ Gothenburg, Dept Expt Phys, Sch Phys & Engn Phys, SE-41296 Gothenburg, Sweden

[2] Inst Thermophys, Novosibirsk 630090, Russia

来源：

APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 06期

关键词：

D O I：

10.1063/1.1498493

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the observation of blackbody radiation from aligned multiwalled carbon nanotubes undergoing field emission. The light intensity correlates with fluctuations in the emission current. The onset of light emission occurs at an emission current of 1 mA/cm(2) and corresponds to a temperature on the order of 1550 K. Beyond this critical current irreversible changes occur in the nanotube film. The correlation between light intensity and emission current provides convincing evidence for Joule heating and stable operation for nanotube temperatures up to at least 2000 K and emission current densities on the order of 10 mA/cm(2). (C) 2002 American Institute of Physics.

引用

页码：1095 / 1097

页数：3

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