Abstract
Cesium sputtering and MEVVA II (MEtal Vapor Vacuum Arc) ion sources have been constructed and operated successfully. The Middleton-type sputtering source is being developed for 12C accelerator mass spectroscopy (AMS) applications. A spherical ionizer, CO 2 gas target and glow discharge desorption apparatus are incorporated into the source. A glow discharge method of reducing carbon background between sample measurements is being investigated. A design for a 90° double focussing magnetic spectrometer is presented which will be used as a test facility for further ion source development.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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