Numerical estimation of the atomic fraction during laser-induced desorption of hydrogen from tungsten and beryllium

•Atomic faction of H during laser-induced desorption from W and Be is estimated.•Desorption of H from Be is mainly driven by molecular recombination on a surface.•Significant H atomic desorption is possible at near-melting temperatures of W.•Desorption processes involving subsurface atoms are neglig...

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Veröffentlicht in:	Fusion engineering and design 2022-11, Vol.184, p.113287, Article 113287
Hauptverfasser:	Kulagin, Vladimir, Gasparyan, Yury, Degtyarenko, Nikolay
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic fraction Beryllium Desorption Diffusion rate Heating Hydrogen Hydrogen isotopes Laser-induced desorption Lasers Melting Surface layers Tungsten
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