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dc.contributor.author
Archubi, Claudio Darío
dc.contributor.author
Denton, C.
dc.contributor.author
Eckardt, J. C.
dc.contributor.author
Lantschner, G. H.
dc.contributor.author
Arista, N. R.
dc.contributor.author
Valdés, J.
dc.contributor.author
Ferrón, J.
dc.date.available
2017-08-08T20:21:59Z
dc.date.issued
2005-12
dc.identifier.citation
Archubi, Claudio Darío; Denton, C.; Eckardt, J. C.; Lantschner, G. H.; Arista, N. R.; et al.; Angular dispersion of protons passing through thin metallic films; Elsevier Science; Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms; 230; 1-4; 12-2005; 53-58
dc.identifier.issn
0168-583X
dc.identifier.uri
http://hdl.handle.net/11336/22074
dc.description.abstract
The angular distributions of protons after traversing thin polycrystalline Al targets (∼15 nm) with an incident energy of 10 keV have been measured and an analysis of the targets by means of transmission electron microscopy (TEM) techniques has been made. The separate influence of the different crystal characteristics and defects has been evaluated by numerical simulation considering the interaction of the ion with all the nearest neighboring atoms simultaneously. In the analysis we included the evaluation of the effects of lattice vibrations, oxide layers and foil roughness on the angular distributions. Previous experimental data in monocrystalline and polycrystalline Au targets has also been analyzed. For a consistency check a comparison with the results of the MARLOWE code for the simpler case of proton channeling in 〈1 0 0〉 Al has been performed. As in the case of Au, the present results indicate that the experiments can be explained in terms of a modified Moliere potential, and confirm the critical influence of crystal characteristics, in this case the amorphous oxide layer on the surface and the thermal vibration of the lattice atoms.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Protons
dc.subject
Aluminum Foils
dc.subject
Angular Dispersion
dc.subject.classification
Otras Ciencias Físicas
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Angular dispersion of protons passing through thin metallic films
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-08-08T14:36:57Z
dc.journal.volume
230
dc.journal.number
1-4
dc.journal.pagination
53-58
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Archubi, Claudio Darío. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Denton, C.. Universidad Tecnica Federico Santa Maria; Chile
dc.description.fil
Fil: Eckardt, J. C.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Lantschner, G. H.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Arista, N. R.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Valdés, J.. Universidad de Santiago de Chile; Chile
dc.description.fil
Fil: Ferrón, J.. Universidad Nacional del Litoral; Argentina
dc.journal.title
Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.nimb.2004.12.016
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0168583X04012819


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