Photoelectron emission from metal surfaces induced by radiation emitted by a 14 GHz electron cyclotron resonance ion source
Abstract
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.
Main Authors
Format
Articles
Research article
Published
2016
Series
Subjects
Publication in research information system
Publisher
American Institute of Physics
The permanent address of the publication
https://urn.fi/URN:NBN:fi:jyu-201601201185Use this for linking
Review status
Peer reviewed
ISSN
0034-6748
DOI
https://doi.org/10.1063/1.4935012
Language
English
Published in
Review of Scientific Instruments
Citation
- 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
License
Copyright© 2015 AIP Publishing LLC. Published in this repository with the kind permission of the publisher.