Separation of potential and kinetic electron emission for grazing impact of multiply charged Ar ions on a LiF(001) surface

J. Stöckl, T. Suta, F. Ditrói, H. P. Winter, F. Aumayr

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29 Citations (Scopus)

Abstract

A concidence technique to study electrom emission from the interaction of slow multiply charged Ar ions with an atomically clean and flat LiF(001) surface was described under grazing scattering conditions. The number of emitted electrons and projectile time-of-flight spectra were determined in concidence for grazing scattering of slow multiply charged Ar ions. The contributions from potential electron emission was determine even in the presence of a considerable number of kinetically excited electrons by relating projectile energy loss to kinetic electron emission. The results show a complete use of the available potential energy for electrom emission during grazing scattering for findings for the normal incidence case.

Original languageEnglish
Article number263201
JournalPhysical Review Letters
Volume93
Issue number26 I
DOIs
Publication statusPublished - Dec 31 2004

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grazing
electron emission
projectiles
kinetics
scattering
ions
electrons
incidence
energy dissipation
potential energy
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Separation of potential and kinetic electron emission for grazing impact of multiply charged Ar ions on a LiF(001) surface. / Stöckl, J.; Suta, T.; Ditrói, F.; Winter, H. P.; Aumayr, F.

In: Physical Review Letters, Vol. 93, No. 26 I, 263201, 31.12.2004.

Research output: Contribution to journalArticle

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AU - Aumayr, F.

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AB - A concidence technique to study electrom emission from the interaction of slow multiply charged Ar ions with an atomically clean and flat LiF(001) surface was described under grazing scattering conditions. The number of emitted electrons and projectile time-of-flight spectra were determined in concidence for grazing scattering of slow multiply charged Ar ions. The contributions from potential electron emission was determine even in the presence of a considerable number of kinetically excited electrons by relating projectile energy loss to kinetic electron emission. The results show a complete use of the available potential energy for electrom emission during grazing scattering for findings for the normal incidence case.

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