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MD study of surface collision cascades in nickel

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dc.contributor.authorVoskoboinikov, R.
dc.contributor.authorВоскобойников, Роман Евгеньевич
dc.date.accessioned2024-11-26T14:49:18Z
dc.date.available2024-11-26T14:49:18Z
dc.date.issued2020
dc.description.abstract© 2020 Elsevier B.V.Collision cascades initiated by fast Ni projectiles with energy E = 5, 10, 15 and 20 keV at the surface of nickel target at temperature T = 100, 300, 600, 900 and 1200 K were studied by molecular dynamics simulations. Representative sampling of 24 surface collision cascades per E,T set was generated to get the statistically reliable number of Frenkel pairs NFP and the fraction of vacancies σvac and self-interstitial atoms (SIAs) σSIA in point defect clusters as functions of the projectile energy and irradiation temperature. It was established that NFP,σvac and σSIA in surface collision cascades in nickel averaged over cascade series with the same E,T are higher than those produced in collision cascades in the bulk of the material under the same simulation conditions. Point defects generated in surface cascades predominantly agglomerate into clusters. Spatial separation of vacancies and SIAs due to the interaction of collision cascades with the free surface is the major driving mechanism responsible for the increased number of NFP,σvac and σSIA produced in surface collision cascades in nickel.
dc.format.extentС. 200-204
dc.identifier.citationVoskoboinikov, R. MD study of surface collision cascades in nickel / Voskoboinikov, R. // Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. - 2020. - 479. - P. 200-204. - 10.1016/j.nimb.2020.06.032
dc.identifier.doi10.1016/j.nimb.2020.06.032
dc.identifier.urihttps://www.doi.org/10.1016/j.nimb.2020.06.032
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85087987836&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000571009400010
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22021
dc.relation.ispartofNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
dc.titleMD study of surface collision cascades in nickel
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume479
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