ANGULAR STRAGGLING ASSOCIATED WITH FLUCTUATIONS IN CHARGE-STATE OF THE PROJECTILE IN GRAZING ION SURFACE SCATTERING

Autor(en): KATO, M
SNOWDON, KJ
Stichwörter: Instruments & Instrumentation; Nuclear Science & Technology; PARALLEL VELOCITY; Physics; Physics, Atomic, Molecular & Chemical; Physics, Nuclear; SIMULATION; SKIPPING MOTION
Erscheinungsdatum: 1994
Herausgeber: ELSEVIER SCIENCE BV
Journal: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volumen: 90
Ausgabe: 1-4
Startseite: 80
Seitenende: 83
Zusammenfassung: 
We have studied the angular straggling of a few keV ions scattered off metal surfaces at grazing scattering condition. The angular straggling of scattered particles is large when the charge state of the particle fluctuates significantly in the surface region. The important physical parameters responsible for the angular straggling are the particle induced density of states and the rate of change of the energy of the atomic level with distance from the surface. An implication for the mechanism underlying skipping motion is discussed.
Beschreibung: 
15th International Conference on Atomic Collisions in Solids (ICACS-15), UNIV W ONTARIO, LONDON, CANADA, JUL 26-30, 1993
ISSN: 0168583X
DOI: 10.1016/0168-583X(94)95517-4

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