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Titolo:
ROLE OF ELECTRON-PHONON COUPLING ON COLLISION CASCADE DEVELOPMENT IN NI, PD, AND PT
Autore:
NORDLUND K; WEI L; ZHONG Y; AVERBACK RS;
Indirizzi:
UNIV HELSINKI,ACCELERATOR LAB,POB 43 FIN-00014 HELSINKI FINLAND UNIV ILLINOIS,MAT RES LAB URBANA IL 61801
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 22, volume: 57, anno: 1998,
pagine: 13965 - 13968
SICI:
0163-1829(1998)57:22<13965:ROECOC>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENERGETIC DISPLACEMENT CASCADES; MOLECULAR-DYNAMICS SIMULATION; EMBEDDED-ATOM METHOD; TRANSITION-METALS; ION; IRRADIATION; SILICON; SPIKES; ALLOYS; AG;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
K. Nordlund et al., "ROLE OF ELECTRON-PHONON COUPLING ON COLLISION CASCADE DEVELOPMENT IN NI, PD, AND PT", Physical review. B, Condensed matter, 57(22), 1998, pp. 13965-13968

Abstract

Electron-phonon coupling in energetic collision cascades is believed to greatly enhance the cooling rate of heat spikes in many metals. Previous studies have not been able to conclusively determine the magnitude of the coupling, however. By directly comparing ion-beam mixing experiments and molecular dynamics simulations of collision cascades in Ni, Pd, and Pt metals, in which the coupling is believed to be most important, we show that the influence of electron-phonon coupling on mixing can be no more than about 30%, roughly an order of magnitude less than the most widely used models predict.

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Documento generato il 04/04/20 alle ore 21:51:38