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MÖssbauer Study of New Laves Phases Rfe2 Compounds (R = Pr, Nd, Yb)

Published online by Cambridge University Press:  15 February 2011

C. Meyer ,
F. Hartmann-Boutron  and
Y. Gros
C. Meyer
Affiliation:
Laboratoire de Spectrometrie Physique, B.P. 53X, 38041 Grenoble-Cedex, France
F. Hartmann-Boutron
Affiliation:
Laboratoire de Spectrometrie Physique, B.P. 53X, 38041 Grenoble-Cedex, France
Y. Gros
Affiliation:
Laboratoire de Spectrometrie Physique, B.P. 53X, 38041 Grenoble-Cedex, France
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Abstract

A summary of the magnetic properties of three Laves Phases compounds RFe2 (R = Pr, Nd, Yb) synthesized under high pressure is presented. Most of the results have been obtained by Mössbauer spectroscopy. Through the 57Fe resonance, the easy directions of magnetization between 4 and 300 K have been determined; the hyperfine field at Fe contains a large anisotropic contribution, only partly due to dipolar effects. From the Yb170 Mössbauer resonance measurements in YbFe2, the exchange field of the iron and the crystalline field, acting on Yb3+, have been derived.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 3: Symposium – Nuclear and Electron Resonance Spectroscopies Applied to Materials Science , 1980 , 455
Copyright
Copyright © Materials Research Society 1981

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References

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