A compact electron cyclotron resonance negative hydrogen ion source for evaluation of plasma electrode materials

被引：7
|
作者：
Eguchi, Takayuki [1 ]
Sasao, Mamiko [2 ]
Shimabukuro, Yuji [1 ]
Ikemoto, Fumiya [1 ]
Kisaki, Masashi [3 ]
Nakano, Haruhisa [3 ]
Tsumori, Katsuyoshi [3 ]
Wada, Motoi [1 ]
机构：
[1] Doshisha Univ, Grad Sch Sci & Engn, Kyotanabe, Kyoto 6100321, Japan
[2] Doshisha Univ, Off R&D Promot, Kamigyo Ku, Kyoto 6028580, Japan
[3] Natl Inst Fus Sci, 322-6 Oroshi, Toki, Gifu 5095292, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2020年 / 91卷 / 01期
关键词：
Electron emission - Cyclotrons - Ion beams - Ion sources - Electrodes;
D O I：
10.1063/1.5128610
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A compact ion source that produces hydrogen plasma with an electron cyclotron resonance (ECR) configuration combined with a 2-stage extraction system with a single aperture of 6 mm diameter has been designed and built to study the performance of different materials as the plasma electrode (PE) of a negative hydrogen ion source. The source has the capability to electrically bias the PE with respect to the ECR plasma. The first experiment with low ECR power input (less than 40 W) was carried out. The PE of the C12A7 electride showed the largest H- current among aluminum, molybdenum, and the C12A7 electride.
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页数：4
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