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H−production from non‐cesiated converter‐type negative ion sources

 

作者: C. F. A. van Os,   K. N. Leung,   A. F. Lietzke,   J. W. Stearns,   W. B. Kunkel,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1990）
卷期: Volume 210, issue 1  

页码: 17-29

 

ISSN:0094-243X

 

年代: 1990

 

DOI:10.1063/1.39588

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Recent results of surface produced negative ions are presented. Two low work function metal surfaces have been studied, barium and magnesium, in combination with several plasma generators; RF‐ and DC‐filament discharges. The negative ion yield for barium is about 5 to 6 times larger than magnesium. This ratio is confirmed by model calculations on resonant charge exchange.

 

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