Study of the effect of lanthanum and cerium doping combination on magnetic properties of M-type hexaferrite oxide permanent magnets

I Gusti Agung Putra Adnyana; Komang Ngurah Suarbawa

doi:10.21744/ijcms.v5n1.2052

Authors

I Gusti Agung Putra Adnyana
igaadnyana@unud.ac.id
Program of Physics study, Department of Physics, Faculty of Mathematics and Natural Sciences, Udayana University, Denpasar, Indonesia
Komang Ngurah Suarbawa Program of Physics study, Department of Physics, Faculty of Mathematics and Natural Sciences, Udayana University, Denpasar, Indonesia

Keywords:

Lanthanum, magnet oxide, magnetic properties, M-type hexaferrite, permagraph

Abstract

A study has been carried out on the effect of combination of Lanthanum and Cerium doping on the magnetic properties of M-Type hexaferrite permanent magnet oxide. The research was conducted using the wet mechanical milling method. The research materials used were Fe₂O₃, BaCO₃, La₂O₃, and CeO₂, all of which were of high purity 99.9%. This research also uses technical materials such as Ethanol and Nitrogen. Stoichiometric calculations were carried out to calculate the composition of the mixture of each ingredient. The combination of Lanthanum and Cerium substitution was varied with the composition of the doping ion concentration (x = 0 – 0.5 and y = 0 – 0.1). Permagraph characterization was carried out to determine the magnetic properties of each test sample. Results based on the permagraph characterization, the properties of M-type hexaferrite permanent magnets increased with the increase in the doping ion concentration in the sample. The presence of doping ions that have a magnetic moment is strongly suspected to contribute to the interaction of the type and the total moment in the M- type hexaferrite structure.

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