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van Os, C.F.A.; Leung, K.N.; Lietzke, A.F.; Stearns, J.W.; Kunkel, W.B.
Lawrence Berkeley Lab., CA (USA)1989
Lawrence Berkeley Lab., CA (USA)1989
AbstractAbstract
[en] 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. 32 refs., 9 figs
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Nov 1989; 12 p; 5. international symposium on the production and neutralization of negative ions and beams; Upton, NY (USA); 30 Oct - 3 Nov 1989; CONF-891055--11; CONTRACT AC03-76SF00098; NTIS, PC A03/MF A01 as DE90007066; OSTI; INIS; US Govt. Printing Office Dep
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