J. Phys. Radium 20, 355-359 (1959)
DOI: 10.1051/jphysrad:01959002002-3035500

Résonance ferrimagnétique des ferrites et grenats à température de compensation

J. Paulevé, B. Dreyfus et M. Soutif

Université de Grenoble, France

Abstract
The authors give a simple method for determining the resonance conditions of a ferrite with two sublattices, neglecting the anisotropy and relaxation terms. They apply the method to the study of resonance field variations in ferrites having a compensation temperature. In particular, they report some results dealing with lithium-chrome ferrites and with erbium and gadolinium garnets.

Résumé
On présente une méthode de détermination simple des conditions de résonance d'un ferrite à deux sous-réseaux magnétiques, en négligeant les termes d'anisotropie et de relaxation. On l'applique à l'étude des variations du champ de résonance des ferrites à température de compensation, au voisinage de celle-ci, en particulier dans le cas des ferrites de lithium-chrome et des grenats de gadolinium et d'erbium.

PACS
60 - CONDENSED MATTER: STRUCTURAL, MECHANICAL AND THERMAL PROPERTIES.
70 - CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES.
76 - Magnetic resonances and relaxations in condensed matter, Mössbauer effect.

Key words
erbium compounds -- ferrimagnetic resonance -- ferrites -- gadolinium compounds

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