Spatial and energy distributions of the fragments resulting from the dissociation of swift molecular ions in solids

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Title: Spatial and energy distributions of the fragments resulting from the dissociation of swift molecular ions in solids
Authors: Heredia-Avalos, Santiago | García Molina, Rafael | Abril, Isabel
Research Group/s: Interacción de Partículas Cargadas con la Materia
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Física Aplicada
Keywords: Stopping power | Energy loss | Molecular ions | Doping and ion implantation
Knowledge Area: Física Aplicada
Issue Date: May-2002
Citation: HEREDIA-AVALOS, Santiago; GARCIA-MOLINA, Rafael; ABRIL, Isabel. “Spatial and energy distributions of the fragments resulting from the dissociation of swift molecular ions in solids”. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. Vol. 190, No. 1-4 (May 2002). ISSN 0168-583X, pp. 131-135
Abstract: We have simulated the spatial evolution and energy loss of the fragments that result when swift molecular ions dissociate inside solid targets. In our calculations we have considered that these fragments undergo the following interactions: Coulomb repulsion (among like charged particles), stopping and wake forces (due to electronic excitations induced in the target), and nuclear scattering (with the target nuclei). We study the case of silicon targets irradiated with boron molecular or atomic ions; our results show that the main differences in the energy and spatial distributions of molecular fragments or atomic ions appear at shallow regions, and these tend to disappear at deeper depths.
Sponsor: This work was supported by the Spanish Ministerio de Educación, Cultura y Deporte through a grant to SHA and by the Spanish Comisión Interministerial de Ciencia y Tecnología (projects 1FD97-1358-C02-01, BFM2000-1050-C02-01 and BFM2000-1050-C02-02).
URI: http://hdl.handle.net/10045/25372
ISSN: 0168-583X (Print) | 1872-9584 (Online)
DOI: 10.1016/S0168-583X(01)01221-6
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/S0168-583X(01)01221-6
Appears in Collections:INV - IPCM - Artículos de Revistas

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