Characterization and parametrization in terms of atomic number of x-ray emission from K-shell filling during ion-surface interactions

Stephen McMahon, Anthony Kavanagh, Hirofumi Watanabe, J. Sun, M. Tona, N. Nakamura, S. Ohtani, Frederick Currell

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

When highly charged ions are incident on a surface, part of their potential energy is emitted as characteristic radiation. The energies and yields of these characteristic x rays have been measured for a series of elements at the Tokyo electron-beam ion trap. These data have been used to develop a simple model of the relaxation of the hollow atoms which are formed as the ion approaches the surface, as well as a set of semiempirical scaling laws, which allow for the ready calculation of the K-shell x-ray spectrum which would be produced by an arbitrary slow bare or hydrogenlike ion on a surface. These semiempirical scaling laws can be used to assess the merit of highly charged ion fluorescence x-ray generation in a wide range of applications.
Original languageEnglish
Article number022901
JournalPhysical Review A
Volume83
Issue number2
DOIs
Publication statusPublished - 28 Feb 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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