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Modulated Structures in Ion Implanted Al-Fe System

Published online by Cambridge University Press:  25 February 2011

K.V. Jata,
D. Janoff and
E.A. Starke Jr.
K.V. Jata
Affiliation:
Department of Materials Science, University of Virginia, Charlottesville, VA 22901
D. Janoff
Affiliation:
Department of Materials Science, University of Virginia, Charlottesville, VA 22901
E.A. Starke Jr.
Affiliation:
Department of Materials Science, University of Virginia, Charlottesville, VA 22901
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Abstract

The results of transmission electron microscopy studies of iron implantation into high purity aluminum foils are described. For both 50 and 100 + 50 keV incident ion energies, modulated structure has been detected in the as-implanted foils. Upon annealing at 793 K the modulated structure decomposes into the Al matrix and Al3Fe precipitates for the 50 keV implantation. A similar annealing treatment for the 100 + 50 keV implantation indicates that the modulated structure is more stable, although some Fe3Al precipitation occurs.

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References

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