Measurements of vacuum arc ion charge-state distributions |
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Authors: | Brown IG Galvin JE |
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Institution: | Lawrence Berkeley Lab., California Univ., Berkeley, CA; |
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Abstract: | The charge-state distribution of ions generated in the metal vapor vacuum arc under a wide range of experimental conditions was measured. The experiments were carried out using an ion source in which the metal vapor vacuum arc is used as the method of plasma production and by which a high-quality, high-current beam of metal ions is produced. Charge-state spectra were measured using a time-of-flight diagnostic; arc voltages were also measured. Parameters that were varied include cathode material, arc current, axial magnetic field strength, neutral gas pressure, and arc geometry |
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