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Transport of energetic electrons in a magnetically expanding helicon double layer plasma

Takahashi, Kazunori; Charles, Christine; Boswell, Rod; Cox, Wes; Hatakeyama, Rikizo


Peripheral magnetic field lines extending from the plasma source into the diffusion chamber are found to separate two regions of Maxwellian electron energy probability functions: the central, ion-beam containing region with an electron temperature of 5 eV, and region near the chamber walls with electrons at 3 eV. Along the peripheral field lines a bi-Maxwellian population with a hot tail at 9 eV is shown to both originate from electrons in the source traveling downstream across the double layer...[Show more]

CollectionsANU Research Publications
Date published: 2009-05-13
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3136721


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