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R. Grössinger, J.C. Tellez Blanco, M. Küpferling, M. Müller, G. Wiesinger:
"Magnetic properties of a new family of rare-earth substituted ferrites";
Physica B: Condensed Matter, 327 (2003), 202 - 207.

Magnetic properties of a new family of rare-earth substituted ferrites

R. Grössinger [Corresponding Author Contact Information] , [E-mail The Corresponding Author] , C. Tellez Blanco, M. Küpferling, M. Müller and G. Wiesinger

Institut für Festkörperphysik, Technische Universität Wien, Wiedner Haupstrasse 8-10, Vienna, Austria

Available online 25 December 2002.


Abstract

The magnetic properties of substituted hard-magnetic M-type ferrites are surveyed. A combined La?Co substitution leads to magnets of compositions Ba1-xLaxFe12-xCoxO19 and Sr1-xLaxFe12-xCoxO19 (x = 0, 0.1, 0.2, 0.3, 0.4). Due to this substitution, the anisotropy as well as the coercivity increases. The effect of the ion size was studied on the system (Sr1-yCay)1-xLaxFe12-x Co0.75xFe2+0.25xO19 (x= 0.2, 0.4; y = 0, 0.33, 0.66, 1). Additionally, Sm substitution which leads to a strong increase of the coercivity was studied, but the effect on the anisotropy is small (1%).

http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC04405795

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