Work function dynamics in activated thermionic cathode

被引：0
|
作者：
B. D. Tsydypov
机构：
[1] Russian Academy of Sciences,Department for Physical Problems, Presidium of the Buryatian Scientific Center, Siberian Branch
来源：
Technical Physics Letters | 2010年 / 36卷
关键词：
Work Function; Technical Physic Letter; Cathode Spot; Cathode Region; Contact Potential Difference;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Work function distributions along the length and over the hot edge of a cylindrical activated thermionic cathode and the temporal variation of these distributions during 20-h operation of arc discharge at various currents have been determined using the contact potential difference (CPD) method. Results obtained by CPD for the cathode spot agree with the data provided by the thermoelectron method. It is confirmed that metal atoms and ions in the cathode region of discharge exhibit the phenomenon of recycling.
引用
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页码：679 / 681
页数：2
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