Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface
Angle- and energy-loss-resolved distributions of helium atoms grazingly scattered from a Ag(110) surface along low indexed crystallographic directions are investigated considering impact energies in the few keV range. Final projectile distributions are evaluated within a semi-classical formalism tha...
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2014
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0168583X_v340_n_p15_RiosRubiano http://hdl.handle.net/20.500.12110/paper_0168583X_v340_n_p15_RiosRubiano |
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paper:paper_0168583X_v340_n_p15_RiosRubiano2023-06-08T15:17:52Z Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface Energy loss Grazing incidence Metal surface Friction Silver Surface scattering Crystallographic directions Dissipative effects Energy loss distributions Energy-loss spectrum Grazing incidence Metal surfaces Multiple peak structures Projectile distributions Energy dissipation Angle- and energy-loss-resolved distributions of helium atoms grazingly scattered from a Ag(110) surface along low indexed crystallographic directions are investigated considering impact energies in the few keV range. Final projectile distributions are evaluated within a semi-classical formalism that includes dissipative effects due to electron-hole excitations through a friction force. For mono-energetic beams impinging along the [11¯0],[11¯2] and [001] directions, the model predicts the presence of multiple peak structures in energy-loss spectra. Such structures provide detailed information about the trajectory-dependent energy loss. However, when the experimental dispersion of the incident beam is taken into account, these energy-loss peaks are completely washed out, giving rise to a smooth energy-loss distribution, in fairly good agreement with available experimental data. © 2014 Elsevier B.V. All rights reserved. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0168583X_v340_n_p15_RiosRubiano http://hdl.handle.net/20.500.12110/paper_0168583X_v340_n_p15_RiosRubiano |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Energy loss Grazing incidence Metal surface Friction Silver Surface scattering Crystallographic directions Dissipative effects Energy loss distributions Energy-loss spectrum Grazing incidence Metal surfaces Multiple peak structures Projectile distributions Energy dissipation |
| spellingShingle |
Energy loss Grazing incidence Metal surface Friction Silver Surface scattering Crystallographic directions Dissipative effects Energy loss distributions Energy-loss spectrum Grazing incidence Metal surfaces Multiple peak structures Projectile distributions Energy dissipation Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| topic_facet |
Energy loss Grazing incidence Metal surface Friction Silver Surface scattering Crystallographic directions Dissipative effects Energy loss distributions Energy-loss spectrum Grazing incidence Metal surfaces Multiple peak structures Projectile distributions Energy dissipation |
| description |
Angle- and energy-loss-resolved distributions of helium atoms grazingly scattered from a Ag(110) surface along low indexed crystallographic directions are investigated considering impact energies in the few keV range. Final projectile distributions are evaluated within a semi-classical formalism that includes dissipative effects due to electron-hole excitations through a friction force. For mono-energetic beams impinging along the [11¯0],[11¯2] and [001] directions, the model predicts the presence of multiple peak structures in energy-loss spectra. Such structures provide detailed information about the trajectory-dependent energy loss. However, when the experimental dispersion of the incident beam is taken into account, these energy-loss peaks are completely washed out, giving rise to a smooth energy-loss distribution, in fairly good agreement with available experimental data. © 2014 Elsevier B.V. All rights reserved. |
| title |
Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| title_short |
Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| title_full |
Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| title_fullStr |
Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| title_full_unstemmed |
Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface |
| title_sort |
trajectory-dependent energy loss for swift he atoms axially scattered off a silver surface |
| publishDate |
2014 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0168583X_v340_n_p15_RiosRubiano http://hdl.handle.net/20.500.12110/paper_0168583X_v340_n_p15_RiosRubiano |
| _version_ |
1768543366325207040 |