| Numéro |
J. Phys. Colloques
Volume 49, Numéro C8, Décembre 1988
Proceedings of the International Conference on Magnetism
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|
|---|---|---|
| Page(s) | C8-937 - C8-938 | |
| DOI | https://doi.org/10.1051/jphyscol:19888427 | |
Proceedings of the International Conference on Magnetism
J. Phys. Colloques 49 (1988) C8-937-C8-938
DOI: 10.1051/jphyscol:19888427
1 Aristote University, 540006 Thessaloniki, Greece
2 Lab. de Cristallographie, CNRS, 166 X, 38042 Grenoble, France
3 Lab. des Matériaux, ENSPG, 38042 St Martin d'Hères, France
J. Phys. Colloques 49 (1988) C8-937-C8-938
DOI: 10.1051/jphyscol:19888427
SYNTHESIS AND MAGNETIC PROPERTIES OF PLATELET SHAPE SPINEL AND M-TYPE HEXAGONAL FERRITES PREPARED FROM β'' ALUMINA-LIKE FERRITES BY ION EXCHANGE
O. Kalogirou1, A. C. Stergiou1, D. Samaras1, S. Nicolopoulos2, A. Bekka2, H. Vincent2 et J. C. Joubert31 Aristote University, 540006 Thessaloniki, Greece
2 Lab. de Cristallographie, CNRS, 166 X, 38042 Grenoble, France
3 Lab. des Matériaux, ENSPG, 38042 St Martin d'Hères, France
Abstract
A series of new compounds derived from the β'' alumina-like ferrite (Na, K)1+x Fe11-xMexO17 (Me = Co, Ni, Zn) and (0.2 ≤ x ≤ 0.9) has been obtained by ion exchange, using molten salts of Li and Ba. Synthesis reactions, crystal structure and magnetic properties of the spinel Li0.75Fe4.75Zn0.5O8 and of the barium rich M-type hexaferrites Ba1.25Fe10.5Me0.25O17.25 (Me = Co, Zn) have been studied.