Heat Effect of Thermal-Field Emission of Electrons from Metal

被引：5

作者：

Petrin, A. B. ^{[1
]}

机构：

[1] Russian Acad Sci IVTAN, Joint Inst High Temp, Moscow, Russia

来源：

HIGH TEMPERATURE | 2011年 / 49卷 / 04期

关键词：

THERMIONIC EMISSION;

D O I：

10.1134/S0018151X11030151

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A method for determining the heat effect that accompanies the thermal-field emission of electrons from metal into vacuum is proposed in the context of a standard model of free-electrons in the metal. Particular attention is given to a quantitative investigation of the cooling regime of a metal surface due to the electron emission. It is demonstrated that for cathodes with low work function on the order of 1 eV, cathode cooling intensity on the order of 10 kW/cm(2) can be reached at temperature of 300 K.

引用

页码：474 / 478

页数：5

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