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Craters Produced on Metals by Single Ion Impacts

Published online by Cambridge University Press:  15 February 2011

R. C. Birtcher  and
S. E. Donnelly
R. C. Birtcher
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL. 60439, USA, Birtcher@anl.gov
S. E. Donnelly
Affiliation:
Joule Physics Laboratory, Science Research Institute, University of Salford, Salford M5 4WT, United Kingdom
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Abstract

summary

The surface is a major perturbation on displacement cascades resulting from ion impacts. Ion impacts on dense materials result in nanometer sized craters on materials with densities greater than 7.3 g/cm3. Although stable when the irradiation is interrupted, single ion impacts can modify or annihilate existing craters. Single ion impacts can extrude material from the specimen. Flow from the melt zone of cascades is responsible for the observed changes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 540: Symposium N / Microstructural Processes in Irradiated Materials , 1998 , 579
Copyright
Copyright © Materials Research Society 1999

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