Issue |
Europhys. Lett.
Volume 48, Number 6, December 1999
|
|
---|---|---|
Page(s) | 672 - 678 | |
Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
DOI | https://doi.org/10.1209/epl/i1999-00537-2 | |
Published online | 01 September 2002 |
Spatially resolved K-Auger emission of hyperthermal highly charged ions at an Al(111) surface
Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Str. 9, D-4814 Münster, Germany
Received:
4
March
1999
Accepted:
9
October
1999
Within the framework of a scattering model for electrons leaving the solid, the location of emission of Auger electrons ejected by highly charged H-like and He-like ions impinging on Al(111) can be determined when comparing the Auger electron spectra at observation angles and with respect to the surface plane. The distinct modifications of the spectra due to plasmon energy loss structures allow to attribute locations of emission to specific K-Auger processes of H-like and metastable He-like ions and at 1 eV per charge experimental vertical kinetic energy.
PACS: 73.20.Mf – Collective excitations (including plasmons and other charge-density excitations) / 79.20.Rf – Atomic, molecular, and ion beam impact and interactions with surfaces / 34.50.Dy – Interactions of atoms, molecules, and their ions with surfaces; photon and electron emission; neutralization of ions
© EDP Sciences, 1999
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