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Interaction of deuterium plasma with sputter-deposited tungsten nitride films

文献类型：期刊论文

作者Gao, L.1,2; Jacob, W.1; Meisl, G.1; Schwarz-Selinger, T.1; Hoeschen, T.1; von Toussaint, U.1; Duerbeck, T.1
刊名NUCLEAR FUSION
出版日期2016
卷号56期号:1页码:016004
关键词Plasma Wall Interaction Tungsten Nitrogen Seeding Tungsten Nitride Deuterium Retention Deuterium-rich Surface Layer
DOI10.1088/0029-5515/56/1/016004
文献子类Article
英文摘要Magnetron-sputtered tungsten nitride (WNx) films were used as a model system to study the behaviour of re-deposited WNx layers which could form in fusion devices with tungsten (W) wall during nitrogen seeding. The interaction of such WNx layers with deuterium (D) plasmas was investigated in dedicated laboratory experiments. D retention and N removal due to D plasma exposure (D flux: 9.9 x 10(19) D m(-2) s(-1), ion energy 215 eV) at different temperatures were measured with ion beam analysis (IBA). Low-energy argon sputtering followed by IBA was applied to resolve the D distribution in the top-most surface of WNx with significantly improved depth resolution compared with the standard D depth profiling method by nuclear reaction analysis. Experimentally determined thicknesses for the penetration of D in WNx were compared with the penetration depth for D calculated in SDTrimSP simulations. Results show that D is only retained within the ion penetration range for samples exposed at 300 K. In contrast to the 300 K case, D diffuses beyond the implantation depth in a sample exposed at 600 K. However, the D penetration depth is much lower than in pure W at comparable conditions. The total amount of retained D in WNx at 600 K is by 50% lower than for implantation at 300 K with the same D fluence. Nitrogen is removed only within the D ion range.
WOS关键词ASDEX UPGRADE ; NUCLEAR-REACTION ; THIN-FILMS ; NITROGEN ; ADSORPTION ; RETENTION ; WALL ; JET ; XPS ; UPS
WOS研究方向Physics
语种英语
WOS记录号WOS:000367934400009
资助机构Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Euratom research and training programme(633053) ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Max-Planck Society ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21800]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Max Planck Inst Plasma Phys, D-85748 Garching, Germany
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Gao, L.,Jacob, W.,Meisl, G.,et al. Interaction of deuterium plasma with sputter-deposited tungsten nitride films[J]. NUCLEAR FUSION,2016,56(1):016004.
APA Gao, L..,Jacob, W..,Meisl, G..,Schwarz-Selinger, T..,Hoeschen, T..,...&Duerbeck, T..(2016).Interaction of deuterium plasma with sputter-deposited tungsten nitride films.NUCLEAR FUSION,56(1),016004.
MLA Gao, L.,et al."Interaction of deuterium plasma with sputter-deposited tungsten nitride films".NUCLEAR FUSION 56.1(2016):016004.

入库方式： OAI收割

来源：合肥物质科学研究院

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