| Numéro |
J. Phys. Colloques
Volume 49, Numéro C8, Décembre 1988
Proceedings of the International Conference on Magnetism
|
|
|---|---|---|
| Page(s) | C8-547 - C8-548 | |
| DOI | https://doi.org/10.1051/jphyscol:19888249 | |
Proceedings of the International Conference on Magnetism
J. Phys. Colloques 49 (1988) C8-547-C8-548
DOI: 10.1051/jphyscol:19888249
1 Laboratoire de Spectrométrie Physique, Université Grenoble I, B.P. 87, 38402 Saint-Martin d'Hères Cedex, France
2 Laboratoire Louis Néel, C.N.R.S., B.P. 166X, 38042 Grenoble Cedex, France
3 MDIH, D.R.F., Centre d'Etudes Nucléaires de Grenoble, B.P. 85X, 38041 Grenoble Cedex, France
J. Phys. Colloques 49 (1988) C8-547-C8-548
DOI: 10.1051/jphyscol:19888249
MÖSSBAUER STUDY OF COMPOUNDS RCo4-xFexB AND RFe4B
Y. Gros1, F. Hartmann-Boutron1, C. Meyer1, M. A. Fremy2, P. Tenaud2 et P. Auric31 Laboratoire de Spectrométrie Physique, Université Grenoble I, B.P. 87, 38402 Saint-Martin d'Hères Cedex, France
2 Laboratoire Louis Néel, C.N.R.S., B.P. 166X, 38042 Grenoble Cedex, France
3 MDIH, D.R.F., Centre d'Etudes Nucléaires de Grenoble, B.P. 85X, 38041 Grenoble Cedex, France
Abstract
Compounds of the form RCo4-xFexB are ferromagnetic for R = Pr, Nd, Sm (x < 2) and ferrimagnetic for R = Er, Tm, Lu, with Tc ˜ 500 - 600 K. 57Fe Mössbauer spectra yield their magnetization directions, which depend both on the R.E. anisotropy and on the transition metal anisotropy.