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
收藏
页码：474 / 478
页数：5
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