Using the Scattering Spectroscopy of keV-Energy Protons to Analyze the Deposition of Lithium on Tungsten

Controlling the thickness of thin layers of lithium when they are deposited on plasma-facing elements is an important task in the field of plasma-surface interaction in fusion devices. It is shown the keV‑energy proton scattering spectroscopy can be used for this purpose. The sensitivity of techniqu...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2020-06, Vol.84 (6), p.742-746
Main Authors: Bulgadaryan, D. G., Sinelnikov, D. N., Efimov, N. E., Kurnaev, V. A.
Format: Article
Language:English
Subjects:
Chemical reactions
Hadrons
Heavy Ions
Hydrogen ions
Lithium
Nuclear Physics
Physics
Physics and Astronomy
Proton scattering
Spectrum analysis
Thickness
Thin films
Tungsten
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Summary:Controlling the thickness of thin layers of lithium when they are deposited on plasma-facing elements is an important task in the field of plasma-surface interaction in fusion devices. It is shown the keV‑energy proton scattering spectroscopy can be used for this purpose. The sensitivity of technique to chemical reactions on a surface is demonstrated, and estimates of the charge state of hydrogen ions reflected from a lithium surface are given.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873820060064