ENERGY-LOSS SPECTRA OF H+ AND H(0) SCATTERED OFF METAL-SURFACES

Autor(en): NARMANN, A
SCHMIDT, K
HOFNER, C
HEILAND, W
Stichwörter: CHARGE-EXCHANGE; Instruments & Instrumentation; IONS; Nuclear Science & Technology; Physics; Physics, Atomic, Molecular & Chemical; Physics, Nuclear
Erscheinungsdatum: 1993
Herausgeber: ELSEVIER SCIENCE BV
Journal: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volumen: 78
Ausgabe: 1-4
Startseite: 72
Seitenende: 76
Zusammenfassung: 
We recorded energy spectra after scattering of H+ and H-0 off Ni surfaces. The incident energy range was 0,5-5 keV, we used 5-degrees incident angle and a scattering angle of 10-degrees. Hence nearly all particles probe only the surface region and do not penetrate into the bulk. To account for the resulting spectra we modified our previously successfully applied model of the He/metal-surface interaction and adapted it to the H/metal-surface system. The main difference is the number of charge states involved. In the He case there are two `'active'' charge states (He+, He-0) for the energy region under consideration, whereas for H we have to deal with three charge states (H+, H-0 and H-).
Beschreibung: 
6TH INTERNATIONAL WORKSHOP ON INELASTIC ION-SURFACE COLLISIONS ( IISC-9 ), AUSSOIS, FRANCE, SEP 14-18, 1992
ISSN: 0168583X
DOI: 10.1016/0168-583X(93)95779-5

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