Production of H−ions with addition of cesium or xenon to a hydrogen discharge in a small multicusp ion source

Autor:	S. R. Walther, W. B. Kunkel, Ka-Ngo Leung
Rok vydání:	1988
Předmět:	Xenon Hydrogen Chemistry Caesium Electrode Analytical chemistry General Physics and Astronomy chemistry.chemical_element Electric discharge Plasma Ion source Ion
Zdroj:	Journal of Applied Physics. 64:3424-3428
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.341498
Popis:	The effect on H− ion production by adding cesium or xenon to a hydrogen discharge, in a small magnetically filtered multicusp ion source, has been investigated. Addition of cesium vapor to the hydrogen discharge resulted in a factor of 16 increase in H− output relative to the uncesiated discharge for the same operating parameters. Likewise, the addition of xenon gas to a hydrogen discharge resulted in a factor of 2.7 increase in H− output over pure hydrogen operation at optimum H2 source pressure, while maintaining the same arc parameters. Operation of the source with the plasma electrode at optimum bias voltage was essential to obtain this result.
Databáze:	OpenAIRE
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