Vorträge und Posterpräsentationen (ohne Tagungsband-Eintrag):
R. Grössinger:
"Magnetic properties of a new familiy of rare-earth-substituted ferrites";
Vortrag: ISAM 02,
Ha Long, Vietnam (eingeladen);
02.10.2002
- 04.10.2002.
Kurzfassung englisch:
The magnetic properties of substituted hard-magnetic M-type ferrites are surveyed. A combined La-Co substitution leads to magnets of the 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-x Lax Fe12-x Co0.75x Fe2+0.25x O19 (x = 0.2, 0.4; y = 0, 0.33, 0.66, 1). Additionally, Sm substitution was studied which leads to a strong increase of the coercivity, but the effect on the anisotropy is small (1%).
Erstellt aus der Publikationsdatenbank der Technischen Universität Wien.