Relevancy of displacement cascades features to the long term point defect cluster growth

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Relevancy of displacement cascades features to the long term point defect cluster growth. / Hou, Marc; Souidi, Abdelkader; Becquart, Charlotte; Domain, Christophe; Malerba, Lorenzo; Terentyev, Dmitry (Peer reviewer).

In: Journal of Nuclear Materials, Vol. 382, No. 2-3, 11.2008, p. 103-111.

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Hou, M, Souidi, A, Becquart, C, Domain, C, Malerba, L & Terentyev, D 2008, 'Relevancy of displacement cascades features to the long term point defect cluster growth', Journal of Nuclear Materials, vol. 382, no. 2-3, pp. 103-111. https://doi.org/10.1016/j.jnucmat.2008.08.034

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Hou, Marc ; Souidi, Abdelkader ; Becquart, Charlotte ; Domain, Christophe ; Malerba, Lorenzo ; Terentyev, Dmitry. / Relevancy of displacement cascades features to the long term point defect cluster growth. In: Journal of Nuclear Materials. 2008 ; Vol. 382, No. 2-3. pp. 103-111.

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@article{de8ef40826cd4de6aeaff558680ecec6,
title = "Relevancy of displacement cascades features to the long term point defect cluster growth",
abstract = "Displacement cascades in iron have been generated using a BCA code with PKA energies ranging from 5 to 100 keV as input for modelling long term evolution using an OKMC code. The size distributions of the fractions of vacancy and interstitial clustered in the long-term are not significantly dependent on the PKA energy in this range. Since subcascade formation, morphology and spatial extension, as well as the spatial correlations between point-defect positions, depend on PKA energy, the size distributions of clustered point-defect fractions in the long-term do not depend on these cascade features. In contrast, the size distributions of clustered point-defect fractions in displacement cascades are independent of the PKA energy while their spatial correlations strongly influence the cluster size distributions in the long-term. The use of a mean-field approximation in cluster kinetics predictions is thereby invalidated. Irradiation dose and dose-rate are also found to be factors governing long-term evolution.",
keywords = "displacement cascades, cluster growth, kinetic Monte Carlo simulations",
author = "Marc Hou and Abdelkader Souidi and Charlotte Becquart and Christophe Domain and Lorenzo Malerba and Dmitry Terentyev",
note = "Score = 10; Symposium on Microstructural Processes in Irradiated Materials - TMS Annual Meeting & Exhibition 2007 ; Conference date: 25-02-2007 Through 01-03-2007",
year = "2008",
month = nov,
doi = "10.1016/j.jnucmat.2008.08.034",
language = "English",
volume = "382",
pages = "103--111",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",
number = "2-3",

}

RIS - Download

TY - JOUR

T1 - Relevancy of displacement cascades features to the long term point defect cluster growth

AU - Hou, Marc

AU - Souidi, Abdelkader

AU - Becquart, Charlotte

AU - Domain, Christophe

AU - Malerba, Lorenzo

A2 - Terentyev, Dmitry

N1 - Score = 10

PY - 2008/11

Y1 - 2008/11

N2 - Displacement cascades in iron have been generated using a BCA code with PKA energies ranging from 5 to 100 keV as input for modelling long term evolution using an OKMC code. The size distributions of the fractions of vacancy and interstitial clustered in the long-term are not significantly dependent on the PKA energy in this range. Since subcascade formation, morphology and spatial extension, as well as the spatial correlations between point-defect positions, depend on PKA energy, the size distributions of clustered point-defect fractions in the long-term do not depend on these cascade features. In contrast, the size distributions of clustered point-defect fractions in displacement cascades are independent of the PKA energy while their spatial correlations strongly influence the cluster size distributions in the long-term. The use of a mean-field approximation in cluster kinetics predictions is thereby invalidated. Irradiation dose and dose-rate are also found to be factors governing long-term evolution.

AB - Displacement cascades in iron have been generated using a BCA code with PKA energies ranging from 5 to 100 keV as input for modelling long term evolution using an OKMC code. The size distributions of the fractions of vacancy and interstitial clustered in the long-term are not significantly dependent on the PKA energy in this range. Since subcascade formation, morphology and spatial extension, as well as the spatial correlations between point-defect positions, depend on PKA energy, the size distributions of clustered point-defect fractions in the long-term do not depend on these cascade features. In contrast, the size distributions of clustered point-defect fractions in displacement cascades are independent of the PKA energy while their spatial correlations strongly influence the cluster size distributions in the long-term. The use of a mean-field approximation in cluster kinetics predictions is thereby invalidated. Irradiation dose and dose-rate are also found to be factors governing long-term evolution.

KW - displacement cascades

KW - cluster growth

KW - kinetic Monte Carlo simulations

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_92342

UR - http://knowledgecentre.sckcen.be/so2/bibref/5267

U2 - 10.1016/j.jnucmat.2008.08.034

DO - 10.1016/j.jnucmat.2008.08.034

M3 - Article

VL - 382

SP - 103

EP - 111

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

IS - 2-3

T2 - Symposium on Microstructural Processes in Irradiated Materials - TMS Annual Meeting & Exhibition 2007

Y2 - 25 February 2007 through 1 March 2007

ER -

ID: 67666