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Concentrated ion beam emitted from an enlarged cylindrical-anode-layer Hall plasma accelerator and mechanism
Journal of Applied Physics
An enlarged cylindrical-anode-layer Hall plasma accelerator with an outlet diameter of 150 mm is experimentally demonstrated to produce a concentrated ion beam, especially at a high discharge voltage, with a high current utilization efficiency of up to $0.9. Numerical investigation based on the three-dimensional particle-in-cell method is performed to study the ion dynamics and elucidate the origin of the ion beam characteristics. The simulation results reveal that the equipotential lines playdoi:10.1063/1.4788697 fatcat:fskio7ppsncjlgtmmgssy5dazy