Cesium in hydrogen negative-ion sources

被引：12
|
作者：
Belchenko, YI [1 ]
Davydenko, VI [1 ]
机构：
[1] Budker Inst Nucl Phys, Novosibirsk 639090, Russia
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2006年 / 77卷 / 03期
关键词：
D O I：
10.1063/1.2165578
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Experimental data on the dynamics of cesium particles in the pulsed magnetron and Penning surface-plasma ion sources are presented. Cesium escape from the source emission apertures and the cesium ion current to discharge electrodes was measured. The low value of cesium flux from the source was detected. An intense cesium ion current to the cathode (up to 0.8 A/cm(2)) was measured. The high value of cesium ion current to surface-plasma source cathode confirms the cesium circulation near the cathode. (c) 2006 American Institute of Physics.
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