Built-In Surface Analyzer for Plasma Devices with Magnetic Field

The erosion and redeposition processes of plasma-facing materials in fusion devices are the most important factors affecting near-wall and core plasma parameters and device lifetime. To determine the possibility of in situ analyzing these processes, we developed an experimental model of a built-in s...

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Bibliographic Details
Published in:Physics of atomic nuclei 2019-12, Vol.82 (10), p.1364-1367
Main Authors: Bulgadaryan, D. G., Sinelnikov, D. N., Sorokin, I. A., Kurnaev, V. A., Efimov, N. E.
Format: Article
Language:English
Subjects:
Engineering Design of Nuclear Physics Equipment
Magnetic fields
Particle and Nuclear Physics
Physics
Physics and Astronomy
Plasma physics
Proton scattering
Service life assessment
Tokamaks
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Summary:The erosion and redeposition processes of plasma-facing materials in fusion devices are the most important factors affecting near-wall and core plasma parameters and device lifetime. To determine the possibility of in situ analyzing these processes, we developed an experimental model of a built-in surface analyzer utilizing low-energy proton scattering spectroscopy. The results of experimental approbation of the method are presented.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778819100089