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@ARTICLE{Vuoriheimo:910641,
author = {Vuoriheimo, Tomi and Hakola, Antti and Likonen, Jari and
Brezinsek, Sebastijan and Dittmar, Timo and Mayer, Matej and
Prakash Dhard, Chandra and Naujoks, Dirk and Tuomisto,
Filip},
title = {{D}eposition of 13{C} tracer and impurity elements on the
divertor of {W}endelstein 7-{X}},
journal = {Physica scripta},
volume = {96},
number = {12},
issn = {0031-8949},
address = {Stockholm},
publisher = {The Royal Swedish Academy of Sciences},
reportid = {FZJ-2022-04014},
pages = {124023 -},
year = {2021},
abstract = {Carbon impurity transport and deposition were investigated
in the Wendelstein 7-X stellarator by injecting isotopically
labelled methane (13CH4) into the edge plasma during the
last plasma operations of its Operational Phase (OP) 1.2B
experimental campaign. 13C deposition was measured by
secondary ion mass spectrometry (SIMS) on three upper
divertor tiles located on the opposite side of the vessel to
the13CH4 inlet. The highest 13C inventories were found as
stripe-like patterns on both sides of the different strike
lines. These high deposition areas were also analysed for
their impurity contents and the depth profiles of the main
elements in the layers. Layered deposition of different
impurity elements such as Cr, Ni, Mo and B was found to
reflect various events such as high metallic impurities
during the OP1.2A and three boronizations carried out during
OP1.2B.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
pid = {G:(DE-HGF)POF4-134},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000695704300001},
doi = {10.1088/1402-4896/ac2381},
url = {https://juser.fz-juelich.de/record/910641},
}