Issue
J. Phys. Colloques
Volume 49, Number C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-951 - C8-952
DOI https://doi.org/10.1051/jphyscol:19888434
Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-951-C8-952

DOI: 10.1051/jphyscol:19888434

THERMOREMANENT PROPERTIES OF BARIUM-FERRITE OVER THE CURIE TEMPERATURE

A. Martín1 et J. G. Zato2

1  Instituto de Ciencia de Materiales, C.S.I.C. Madrid, Spain
2  Escuela Universitaria de Informática, UPM. Madrid, Spain


Abstract
A study is made on the thermomagnetic properties over the Curie temperature of non-oriented Ba-ferrite particles. Thermoremanence vs. temperature for low fields shows a sharp A shape for a freezing temperature of 563 °C. A phenomenological explanation is given of the experimental results.