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Ion Mixing of Ti/C and Fe/C Bilayers

Published online by Cambridge University Press:  25 February 2011

M. Nastasi ,
J. R. Tesmer  and
J.-P. Hirvonen
M. Nastasi
Affiliation:
Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
J. R. Tesmer
Affiliation:
Physics Division, Los Alamos National Laboratory, Los Alamos, NM 87545
J.-P. Hirvonen
Affiliation:
Department of Physics, University of Helsinki, Helsinki, Finland
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Abstract

Bilayer samples of Ti/C and Fe/C have been ion beam mixed with 400 keV Xe ions to a dose of 1 × 1016 ions/cm2. Mixing experiments were performed at 77, 300, 573, and 723 K. The transition between the temperature independent and temperature dependent mixing occurred between 300 and 573 K in Fe/C samples and between 573 and 723 in Ti/C sample. In the temperature independent mixing regime mixing is reasonably well explained by a thermodynamic model of ion mixing while at higher temperatures a radiation enhanced diffusion mechanism is evident.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 93: Symposium C – Materials Modification and Growth Using Ion Beams , 1987 , 215
Copyright
Copyright © Materials Research Society 1987

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References

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