Photoelectron emission from metal surfaces induced by radiation emitted by a 14 GHz electron cyclotron resonance ion source
Laulainen, J., Kalvas, T., Koivisto, H., Komppula, J., Kronholm, R., & Tarvainen, O. (2016). Photoelectron emission from metal surfaces induced by radiation emitted by a 14 GHz electron cyclotron resonance ion source. Review of Scientific Instruments, 87(2), Article 02A506. https://doi.org/10.1063/1.4935012
Julkaistu sarjassa
Review of Scientific InstrumentsTekijät
Päivämäärä
2016Tekijänoikeudet
© 2015 AIP Publishing LLC. Published in this repository with the kind permission of the publisher.
Photoelectron emission measurements have been performed using a room-temperature 14 GHz ECR
ion source. It is shown that the photoelectron emission from Al, Cu, and stainless steel (SAE 304)
surfaces, which are common plasma chamber materials, is predominantly caused by radiation emitted
from plasma with energies between 8 eV and 1 keV. Characteristic X-ray emission and bremsstrahlung
from plasma have a negligible contribution to the photoelectron emission. It is estimated from
the measured data that the maximum conceivable photoelectron flux from plasma chamber walls is
on the order of 10% of the estimated total electron losses from the plasma.
Julkaisija
American Institute of PhysicsISSN Hae Julkaisufoorumista
0034-6748Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/25287213
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