Resonant effects in the stopping power of clusters

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Title: Resonant effects in the stopping power of clusters
Authors: Pérez Pérez, F. Javier | Abril, Isabel | Arista, Néstor R. | García Molina, Rafael
Research Group/s: Interacción de Partículas Cargadas con la Materia
Center, Department or Service: Universidad de Alicante. Departamento de Física Aplicada
Keywords: Stopping power | Clusters | Silicon | Electronic interaction | Energy loss
Knowledge Area: Física Aplicada
Issue Date: 2-Jul-1996
Publisher: Elsevier Science
Citation: PÉREZ-PÉREZ, F. Javier, et al. “Resonant effects in the stopping power of clusters”. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. Vol. 115, No. 1-4 (2 July 1996). ISSN 0168-583X, pp. 18-22
Abstract: The stopping power of large (H2)n-clusters in silicon is analyzed as a function of the cluster size and the cluster velocity. A dielectric formalism is used to describe the electronic interaction between the projectile and the target. The intramolecular and intermolecular interference effects in the cluster energy loss are evaluated as a function of the cluster velocity. For high velocities and large clusters the intermolecular collective effects dominate in the cluster stopping power. For each cluster velocity we find a resonant cluster size for which the intermolecular stopping power clearly shows a maximum and it saturates to a constant value for larger clusters. The radius of this resonant cluster and the maximum stopping power are proportional to the cluster velocity.
Sponsor: N.R. Arista is visiting professor under the program PROPIO (Conselleria d’Educació i Ciència de la Generalitat Valenciana). We acknowledge partial support from the Spanish DGICYT (projects PB92-0341 and PB93-1125).
ISSN: 0168-583X (Print) | 1872-9584 (Online)
DOI: 10.1016/0168-583X(95)01517-5
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - IPCM - Artículos de Revistas

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