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Ion-Beam Mixing in Amorphous and Crystalline Fe-Ti

Published online by Cambridge University Press:  25 February 2011

Udo Scheuer ,
Lynn E. Rehn  and
Pete Baldo
Udo Scheuer
Affiliation:
now with Institut für Festkörperforschung, KfA Jülich, Postfach 1913, D-5170 Jülich, Fed. Rep. of Germany
Lynn E. Rehn
Affiliation:
Materials Science Division, Argonne National Laboratory, 9700 S. Cass Ave, Argonne, IL 60439
Pete Baldo
Affiliation:
Materials Science Division, Argonne National Laboratory, 9700 S. Cass Ave, Argonne, IL 60439
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Abstract

Crystalline Fe and Fe-10at.%Ti and amorphous Fe-37at.%Ti films with Ag and Hf markers were produced by vapor deposition. Marker spreading during ion-beam mixing between 77 K and 580 K was measured using Rutherford Back-scattering (RBS). Marker spreading was also measured between temperatures of 300 K to 700 K after full crystallization of the Fe-37at.%Ti films. Microstructural changes during ion-beam mixing were studied in situ, in a High-Voltage Electron Microscope. Homogeneous nucleation of a metastable bcc phase, was observed at high temperatures. The results are discussed in terms of their relevance to “radiation-enhanced” diffusion in amorphous materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 128: Symposium A – Processing and Characterization of Materials Using Ion Beams , 1988 , 213
Copyright
Copyright © Materials Research Society 1989

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References

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