2019
DOI: 10.1088/1361-6595/ab2d6b
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Electron energy loss spectroscopy of wall charges in plasma-facing dielectrics

Abstract: We propose a setup enabling electron energy loss spectroscopy to determine the density of the electrons accumulated by an electro-positive dielectric in contact with a plasma. It is based on a two-layer structure inserted into a recess of the wall. Consisting of a plasma-facing film made out of the dielectric of interest and a substrate layer the structure is designed to confine the plasmainduced surplus electrons to the region of the film. The charge fluctuations they give rise to can then be read out from th… Show more

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Cited by 4 publications
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