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Damage production in atomic displacement cascades in beryllium

Borodin, V. A.; Vladimirov, P. V.

The paper presents the results of a molecular dynamics simulation of cascade damage production in beryllium caused by self-ion recoils in the energy range of 0.5–3 keV. It is demonstrated that point de- fects are produced in Be preferentially in well-separated subcascades generated by secondary and higher order recoils. A linear dependence of the point defect number on the primary recoil energy is obtained with the slope that corresponds to formal atom displacement energy of ~21 eV. Most of the damage is created as single defects and the relatively high part of created point defects ( ∼50%) survives the corre- lated recombination following the ballistic cascade stage and becomes freely-migrating.

Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Angewandte Werkstoffphysik (IAM-AWP)
Publikationstyp Zeitschriftenaufsatz
Jahr 2016
Sprache Englisch
Identifikator DOI: 10.1016/j.nme.2016.07.001
ISSN: 2352-1791
URN: urn:nbn:de:swb:90-656070
KITopen ID: 1000065607
Erschienen in Nuclear materials and energy
Band 9
Seiten 216-220
Lizenz CC BY-NC-ND 4.0: Creative Commons Namensnennung – Nicht kommerziell – Keine Bearbeitungen 4.0 International
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