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@ARTICLE{Matveev:875001,
author = {Matveev, Dmitry and Zlobinski, M. and De Temmerman, G. and
Unterberg, B. and Linsmeier, C.},
title = {{CRDS} modelling of deuterium release from co-deposited
beryllium layers in temperature programmed and laser induced
desorption experiments},
journal = {Physica scripta},
volume = {T171},
issn = {1402-4896},
address = {Stockholm},
publisher = {The Royal Swedish Academy of Sciences},
reportid = {FZJ-2020-01761},
pages = {014053 -},
year = {2020},
abstract = {Deuterium release from Be/D layers co-deposited using high
power impulse magnetron sputtering (HiPIMS) is modelled with
rate equations using the CRDS code under conditions of
temperature programmed (TPD) and laser induced (LID)
Desorption experiments. TPD results are simulated to fit D
trapping parameters that are in turn applied to simulate the
LID. TPD results are compared to equivalent results from
JET-ILW and UCSD samples. HiPIMS samples show a different
release behavior compared to UCSD and JET samples, release
peaks at comparable heating rates are narrower and cannot be
modelled using the same set of parameters. With a particular
choice of diffusion-trapping parameters that reproduce the
TPD peak positions, modelling of the LID efficiency results
in a qualitative agreement with experimental observations.
In particular, it is shown that a complete outgassing of low
D content samples is not possible during laser heating
unless the surface temperature exceeds the Be melting
threshold.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174)},
pid = {G:(DE-HGF)POF3-174},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000520000600053},
doi = {10.1088/1402-4896/ab5569},
url = {https://juser.fz-juelich.de/record/875001},
}