Elemental and isotopic effects in neutron induced desorption from surfaces

E. Glikman, I. Kelson, N. V. Doan, P. Truchot, D. Piccot, G. Pinte, P. E. Haustein

Research output: Contribution to journalArticlepeer-review

Abstract

Recoil of atoms following (n, γ) reactions may cause them to desorb from the surface. This effect is studied in irradiation experiments under high thermal neutron flux for gold and indium, utilizing prepackaged ampules under vacuum. The role of thermal desorption is demonstrated, through a comparative study of the behavior of different elements under identical conditions. Precise measurements of the populations of indium isotopes were carried out, revealing large 194Ir 192Ir differentiation. This is shown to be related to the temporal history of desorption during the irradiation, and provides additional meaningful information about the process.

Original languageEnglish
Pages (from-to)237-243
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume88
Issue number3
DOIs
StatePublished - 3 May 1994

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