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The role and application of ion beam analysis for studies of plasma-facing components in controlled fusion devices
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0001-9901-6296
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
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2016 (English)In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, ISSN 0168-583X, E-ISSN 1872-9584, Vol. 371, 4-11 p.Article in journal (Refereed) PublishedText
Abstract [en]

First wall materials in controlled fusion devices undergo serious modification by several physical and chemical processes arising from plasma-wall interactions. Detailed information is required for the assessment of material lifetime and accumulation of hydrogen isotopes in wall materials. The intention of this work is to give a concise overview of key issues in the characterization of plasma-facing materials and components in tokamaks, especially in JET with an ITER-Like Wall. IBA techniques play a particularly prominent role here because of their isotope selectivity in the low-Z range (1-10), high sensitivity and combination of several methods in a single run. The role of He-3-based NRA, RBS (standard and micro size beam) and HIERDA in fuel retention and material migration studies is presented. The use of tracer techniques with rare isotopes (e.g. N-15) or marker layers on wall diagnostic components is described. Special instrumentation, development of equipment to enhance research capabilities and issues in handling of contaminated materials are addressed. (C) 2015 Published by Elsevier B.V.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 371, 4-11 p.
Keyword [en]
Ion beam analysis, Nuclear reaction, Controlled fusion, First wall materials, Deuterium
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-186002DOI: 10.1016/j.nimb.2015.09.077ISI: 000373412000002ScopusID: 2-s2.0-84960796296OAI: oai:DiVA.org:kth-186002DiVA: diva2:926959
Conference
22nd International Conference on Ion Beam Analysis (IBA), JUN 14-19, 2015, Opatija, CROATIA
Note

QC 20160510

Available from: 2016-05-10 Created: 2016-04-29 Last updated: 2016-05-10Bibliographically approved

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