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Evidence of a Coupling Between Magnetic and Chemical Interactions in Iron-based Alloys

Published online by Cambridge University Press:  21 February 2011

V. Pierron-Bohnes ,
M.C. Cadeville  and
F. Gautier
V. Pierron-Bohnes
Affiliation:
L.M.S.E.S. (LA CNRS n° 306) Inst. Le Bel 4, rue B.Pascal 67070 Strasbourg F
M.C. Cadeville
Affiliation:
L.M.S.E.S. (LA CNRS n° 306) Inst. Le Bel 4, rue B.Pascal 67070 Strasbourg F
F. Gautier
Affiliation:
L.M.S.E.S. (LA CNRS n° 306) Inst. Le Bel 4, rue B.Pascal 67070 Strasbourg F
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Abstract

The simultaneous occurrence of chemical and magnetic interactions in transition metal alloys greatly influences their thermodynamic properties. However the experimental evidence of the Coupling between both interactions has not been demonstrated so far. The present study shows that such a coupling exists in iron-based alloys (FeCo, FeMn, FeV) and that it modifies qualitatively the chemical short range order. This is evidenced from its temperature dependence in both ferromagnetic and paramagnetic phases which displays a marked change of behaviour at the Curie temperature (Tcm). Theoretical models which account qualitatively for the whole of the observed behaviours are briefly discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 401
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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