Hot nanotubes: Stable heating of individual multiwall carbon nanotubes to 2000 K induced by the field-emission current

被引：328

作者：

Purcell, ST ^{[1
]}

Vincent, P ^{[1
]}

Journet, C ^{[1
]}

Binh, VT ^{[1
]}

机构：

[1] Univ Lyon 1, Lab Emiss Elect, DPM, CNRS,UMR 5586, F-69622 Villeurbanne, France

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 10期

关键词：

Adsorption - Chemical vapor deposition - Computer simulation - Electron emission - Electron gas - Electron tunneling - Emission spectroscopy - Etching - Light emission - Molecules - Optical microscopy - Probability distributions - Thermal effects;

D O I：

10.1103/PhysRevLett.88.105502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Field emission (FE) electron spectroscopy from an individual multiwalled carbon nanotube (MWNT) is used to measure quantitatively stable temperatures at the apex, T-A, of up to 2000 K induced by FE currents approximate to1 muA. The high T-A is due to Joule heating along the length of the MWNT. These measurements also give directly the resistance of the individual MWNT which is shown to decrease with temperature, and explain the phenomenon of FE-induced light emission which was observed simultaneously. The heating permits thermal desorption of the MWNT and, hence, excellent current stability.

引用

页码：4 / 105502

页数：4

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