H− production and destruction mechanisms in hydrogen low pressure discharges
- 1 January 1984
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 111 (1) , 31-45
- https://doi.org/10.1063/1.34432
Abstract
The density of negative hydrogen ions and the plasma characteristics are investigated in several configurations of the multicusp plasma generator. H− destruction in plasma is analyzed and two different destruction regimes are discussed. The decrease in H− density with increasing gas pressure is explained in terms of an increase of the rate of mutual neutralization, due to the reduction of the ion energies when the pressure is increased.Keywords
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