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Study of Metastable Fe-W Films

Published online by Cambridge University Press:  15 February 2011

Gerhard Göltz ,
Rouel Fernandez ,
Marc-A. Nicolet  and
Devendra K. Sadana
Gerhard Göltz
Affiliation:
California Institute of Technology, Pasadena, California, 91125, USA
Rouel Fernandez
Affiliation:
California Institute of Technology, Pasadena, California, 91125, USA
Marc-A. Nicolet
Affiliation:
California Institute of Technology, Pasadena, California, 91125, USA
Devendra K. Sadana
Affiliation:
Lawrence Berkeley Laboratory, University of California, Berkeley, California, 94720, USA
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Abstract

Xenon irradiation of Fe-W multilayers at room temperature (R.T.) can produce two types of metastable states: low doses (< 1 × 1016 Xe/cm2 ) extend the equilibrium solid solubility of W in Fe and vice versa, maintaining the equilibrium b.c.c. lattice structure of Fe and W; at high doses (> 1 × 1016 Xe/ cm2 ) and in the vicinity of the composition Fe70W30, amorphization can occur. In comparison, RF sputter-deposited FexWl-x films were amorphous over the whole range (0.35<x < 0.79) investigated. The recrystallization temperatures of these amorphous layers exceed 600°C for 15 min vacuum annealing. Whereas Fe-W compounds always form during thermal annealing, these compounds are normally not found after Xe-irradiation of multilayers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 7 , 1981 , 227
Copyright
Copyright © Materials Research Society 1982

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Footnotes

a)

Permanent Address: C.N.E.T., BP 42, F 38240 Meylan France

References

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