Abstract
On-axis energy distribution measurements of 3 ionic species emitted from a gallium liquid metal ion source are reported. Voltage deficits, FWHM energy spreads, angular intensities and chromatic angular intensities are presented and compared with other published work. Ga+ deficit variations with beam current and temperature are discussed in detail. Ga2+ FWHM and deficit changes with source operating conditions are accounted for by a model of droplet fragmentation.
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