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Spreading of lithium on a stainless steel surface at room temperature

Author(s): Skinner, C.H.; Capece, A.M.; Roszell, J.P.; Koel, Bruce E.

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DC FieldValueLanguage
dc.contributor.authorSkinner, C.H.-
dc.contributor.authorCapece, A.M.-
dc.contributor.authorRoszell, J.P.-
dc.contributor.authorKoel, Bruce E.-
dc.date.accessioned2020-01-30T22:18:40Z-
dc.date.available2020-01-30T22:18:40Z-
dc.date.issued2016-01en_US
dc.identifier.citationSkinner, CH, Capece, AM, Roszell, JP, Koel, BE. (2016). Spreading of lithium on a stainless steel surface at room temperature. JOURNAL OF NUCLEAR MATERIALS, 468 (26 - 30). doi:10.1016/j.jnucmat.2015.10.059en_US
dc.identifier.issn0022-3115-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1dv0b-
dc.description.abstractLithium conditioned plasma facing surfaces have lowered recycling and enhanced plasma performance on many fusion devices and liquid lithium plasma facing components are under consideration for future machines. A key factor in the performance of liquid lithium components is the wetting by lithium of its container. We have observed the surface spreading of lithium from a mm-scale particle to adjacent stainless steel surfaces using a scanning Auger microprobe that has elemental discrimination. The spreading of lithium occurred at room temperature (when lithium is a solid) from one location at a speed of 0.62 mu m/day under ultrahigh vacuum conditions. Separate experiments using temperature programmed desorption (TPD) investigated bonding energetics between monolayer-scale films of lithium and stainless steel. While multilayer lithium desorption from stainless steel begins to occur just above 500 K (E-des = 1.54 eV), sub-monolayer Li desorption occurred in a TPD peak at 942 K (E-des = 2.52 eV) indicating more energetically favorable lithium-stainless steel bonding (in the absence of an oxidation layer) than lithium lithium bonding. (C) 2015 Elsevier B.V. All rights reserved.en_US
dc.format.extent26 - 30en_US
dc.language.isoen_USen_US
dc.relation.ispartofJOURNAL OF NUCLEAR MATERIALSen_US
dc.rightsAuthor's manuscripten_US
dc.titleSpreading of lithium on a stainless steel surface at room temperatureen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1016/j.jnucmat.2015.10.059-
dc.date.eissued2016en_US
dc.identifier.eissn1873-4820-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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