uu.seUppsala University Publications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Tracer techniques for the assessment of material migration and surface modification of plasma-facing components
KTH, Fusionsplasmafysik.ORCID iD: 0000-0001-9901-6296
KTH, Fusionsplasmafysik.ORCID iD: 0000-0003-1062-8101
KTH, Fusionsplasmafysik.ORCID iD: 0000-0001-9299-3262
KTH, Fusionsplasmafysik.
Show others and affiliations
2015 (English)In: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 463, p. 280-284Article in journal (Refereed) Published
Abstract [en]

Tracer techniques were used in the TEXTOR tokamak to determine high-Z metal migration and the deposition of species used for plasma edge cooling or wall conditioning under different types of operation conditions. Volatile molybdenum hexa-fluoride, nitrogen-15 and oxygen-18 were used as markers in tokamak or ion cyclotron wall conditioning discharges (ICWC). The objective was to obtain qualitative and quantitative of a global and local deposition pattern and material mixing effects. The deposition and retention was studied on plasma-facing components, collector probes and test limiters. Optical spectroscopy and ex-situ analysis techniques were used to determine the plasma response to tracer injection and the modification of surface composition. Molybdenum and light isotopes were detected on all types of limiters and short-term probes retrieved from the vessel showing that both helium and nitrogen are trapped following wall conditioning and edge cooling. Only small amounts below 1 x 10(19) m(-2) of O-18 were detected on surfaces treated by oxygen-assisted ICWC.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 463, p. 280-284
National Category
Materials Engineering Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:uu:diva-382287DOI: 10.1016/j.jnucmat.2014.11.074ISI: 000358467200052Scopus ID: 2-s2.0-84937517699OAI: oai:DiVA.org:uu-382287DiVA, id: diva2:1306553
Funder
Swedish Research Council, 621-2009-4138
Note

QC 20150901

Available from: 2019-04-24 Created: 2019-04-24 Last updated: 2019-04-24

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Authority records BETA

Rubel, MarekWeckmann, ArminStröm, Petter

Search in DiVA

By author/editor
Rubel, MarekWeckmann, ArminStröm, Petter
In the same journal
Journal of Nuclear Materials
Materials EngineeringFusion, Plasma and Space Physics

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 2 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf