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Combined ion micro probe and SEM analysis of strongly non uniform deposits in fusion devices
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2015 (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. 342, p. 19-28Article in journal (Refereed) Published
Abstract [en]

Conventional ion beam analysis (IBA) of deposited layers from fusion devices may have insufficient accuracy due to strongly uneven appearance of the layers. Surface roughness and spatial variation of the matrix composition make interpretation of broad beam spectra complex and non obvious. We discuss complications of applied IBA arising for fusion-relevant surfaces and demonstrate how quantification can be improved by employing micro IBA methods. The analysis is bound to pre-defined regions on the sample surface and can be extended by employing beams of several types, scanning electron microscopy (SEM) and stereo SEM techniques. (C) 2014 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2015. Vol. 342, p. 19-28
Keywords [en]
Ion micro probe, Micro NRA, PIXE, Plasma-facing components, Deuterium retention
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Physical Sciences
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URN: urn:nbn:se:uu:diva-244501DOI: 10.1016/j.nimb.2014.08.019ISI: 000347770500004OAI: oai:DiVA.org:uu-244501DiVA, id: diva2:789399
Available from: 2015-02-18 Created: 2015-02-17 Last updated: 2017-12-04Bibliographically approved

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Possnert, Göran

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