The influence of the internal displacement cascades structure on the growth of point defect clusters in radiation environment

Lorenzo Malerba; C S Becquart; C Domain; M Hou; Abderrahim Al Mazouzi

doi:10.1016/j.nimb.2004.10.031

The influence of the internal displacement cascades structure on the growth of point defect clusters in radiation environment

Lorenzo Malerba, C S Becquart, C Domain, M Hou, Abderrahim Al Mazouzi

Research output › peer-review

Abstract

Displacement cascades obtained by full molecular dynamics and in its binary collision approximation, as well as random point defect distributions, all having similar overall morphologies, are used as input for long term radiation damage simulation by an object kinetic Monte Carlo method in ƒÑ-iron. This model treats naturally point defect fluxes on cascades regions, resulting from cascades generated in other regions, in a realistic way. This study shows the significant effect of the internal structure of displacement cascades and, in particular, SIA agglomeration on the long-term evolution of defect cluster growth under irradiation.

Original language	English
Pages (from-to)	181-186
Journal	Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume	228
Issue number	1-4
DOIs	https://doi.org/10.1016/j.nimb.2004.10.031
State	Published - Jan 2005

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Malerba, L., Becquart, C. S., Domain, C., Hou, M., & Al Mazouzi, A. (2005). The influence of the internal displacement cascades structure on the growth of point defect clusters in radiation environment. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 228(1-4), 181-186. https://doi.org/10.1016/j.nimb.2004.10.031

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abstract = "Displacement cascades obtained by full molecular dynamics and in its binary collision approximation, as well as random point defect distributions, all having similar overall morphologies, are used as input for long term radiation damage simulation by an object kinetic Monte Carlo method in ƒ{\~N}-iron. This model treats naturally point defect fluxes on cascades regions, resulting from cascades generated in other regions, in a realistic way. This study shows the significant effect of the internal structure of displacement cascades and, in particular, SIA agglomeration on the long-term evolution of defect cluster growth under irradiation.",

keywords = "Kinetic Monte Carlo, damage accumulation, internal structure, displacement cascades, point-defect clusters",

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Malerba, L, Becquart, CS, Domain, C, Hou, M & Al Mazouzi, A 2005, 'The influence of the internal displacement cascades structure on the growth of point defect clusters in radiation environment', Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 228, no. 1-4, pp. 181-186. https://doi.org/10.1016/j.nimb.2004.10.031

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AB - Displacement cascades obtained by full molecular dynamics and in its binary collision approximation, as well as random point defect distributions, all having similar overall morphologies, are used as input for long term radiation damage simulation by an object kinetic Monte Carlo method in ƒÑ-iron. This model treats naturally point defect fluxes on cascades regions, resulting from cascades generated in other regions, in a realistic way. This study shows the significant effect of the internal structure of displacement cascades and, in particular, SIA agglomeration on the long-term evolution of defect cluster growth under irradiation.

KW - Kinetic Monte Carlo

KW - damage accumulation

KW - internal structure

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KW - point-defect clusters

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