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Melting temperature effects on the size of ion-induced craters
2001 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 79, no 22, 3624-3626 p.Article in journal (Refereed) Published
Abstract [en]

Recent work on the sizes of craters produced by ion impacts of solids has shown that the size of the crater scales with the inverse square of the cohesive energy. This observation is in contrast to the size of craters produced in macroscopic impacts, which scale directly with the inverse of the cohesive energy. It has relied on the assumption that the melting temperature is proportional to the cohesive energy. Using computer simulations, we now show that the size scales in fact with the inverse of the product of the melting temperature and cohesive energy. This provides direct proof that the reason to the different behavior of macroscopic and ion-induced cratering is flow of the liquid produced by the ions.

Place, publisher, year, edition, pages
2001. Vol. 79, no 22, 3624-3626 p.
Keyword [en]
molecular-dynamics, fcc metals, bombardment, cu, pd, damage, au, ag, ni
URN: urn:nbn:se:kth:diva-21100ISI: 000172204400022OAI: diva2:339797
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Henriksson, Krister O. E.
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