OUTGASSING OF HYDROGEN M. Leisch
OUTGASSING OF HYDROGEN M. Leisch
OUTGASSING OF HYDROGEN M. Leisch
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Institute of Solid State Physics<br />
•Atom Probe show segregation of Ni<br />
accompanied by slight Cr depletion.<br />
•The steps and facets provide still a<br />
considerable number of active sites<br />
which can promote the recombination of<br />
hydrogen.<br />
•Vacancies give reason for subsurface<br />
states which act as traps for H.<br />
•This surface and subsurface states may<br />
control the outgassing behaviour.<br />
•From the look on the surface: In all<br />
probability diffusion to the surface may<br />
be the limiting process.<br />
0.1 µm<br />
Professor Manfred <strong>Leisch</strong> Horst Cerjak, 19.12.2005 63rd IUVSTA Workshop Avila September 17, 2010<br />
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