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Titolo:
Formation of stacking-fault tetrahedra in collision cascades
Autore:
Nordlund, K; Gao, F;
Indirizzi:
Univ Helsinki, Accelerator Lab, FIN-00014 Helsinki, Finland Univ HelsinkiHelsinki Finland FIN-00014 ab, FIN-00014 Helsinki, Finland Univ Liverpool, Dept Mat Sci & Engn, Liverpool L69 3GH, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3GH , Merseyside, England
Titolo Testata:
APPLIED PHYSICS LETTERS
fascicolo: 18, volume: 74, anno: 1999,
pagine: 2720 - 2722
SICI:
0003-6951(19990503)74:18<2720:FOSTIC>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
DISPLACEMENT CASCADES; DEFECT PRODUCTION; FCC METALS; MECHANISM; DAMAGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Nordlund, K Univ Helsinki, Accelerator Lab, FIN-00014 Helsinki, Finland Univ Helsinki Helsinki Finland FIN-00014 4 Helsinki, Finland
Citazione:
K. Nordlund e F. Gao, "Formation of stacking-fault tetrahedra in collision cascades", APPL PHYS L, 74(18), 1999, pp. 2720-2722

Abstract

One of the outstanding questions in radiation damage is how stacking-faulttetrahedra (SFTs) can be formed below the vacancy migration temperature. Using molecular dynamics simulations of energetic collision cascades, we nowdescribe how a stacking-fault tetrahedron can be created directly in a collision cascade. We also show that, while the number of SFTs is small at lowtemperatures, at elevated temperatures the number will increase by rearrangement of complex damage clusters into the SFTs, in good agreement with experiments. (C) 1999 American Institute of Physics. [S0003-6951(99)04918-9].

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Documento generato il 01/04/20 alle ore 02:06:43