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Electron temperature characterization and power balance in a low magnetic field helicon mode

Lafleur, Trevor; Charles, Christine; Boswell, Roderick


The electron temperature in a low-field helicon mode has been characterized in the presence of a diverging magnetic field (B0 < 5 mT), using a number of electrostatic probes. At the low pressures investigated (<0.3 Pa) the electron energy probability function (measured with an rf compensated Langmuir probe) shows a depleted tail in both the upstream and downstream regions, with the tail temperature being about half that of the bulk electron temperature. Independent measurements of the tail...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Physics D: Applied Physics
DOI: 10.1088/0022-3727/44/18/185204


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