DocumentCode :
967396
Title :
Magnetic properties of monocrystalline epilayer sandwich of magnesium ferrite
Author :
Baszynski, J. ; Dubowik, J. ; Frait, Z.
Author_Institution :
Polish Academy of Sciences, Poznań, Smoluchowskiego
Volume :
14
Issue :
5
fYear :
1978
fDate :
9/1/1978 12:00:00 AM
Firstpage :
906
Lastpage :
908
Abstract :
The ferrimagnetic monocrystalllne epilayer Mg0.5Fe2.5O4and superparamagnetic interface between this layer at the MgO monocrystalline substrate formed the sandwich. The sandwich was obtained by CVD on the /100/ crystallographical surface of the substrate. The magnetic properties of this sandwich were studied by ferromagnetic resonance. Measurements at room temperature at 9.26, 25.94, 33.04 and 69.61 GHz permitted the determination of the resonance field Hrvs. the angle θ between the normal to the layer and the external field direction in the crystallographical plane /010/. In this data was defined the magnetic parameters characterizing the two layers of the sandwich as functions of the microwave frequency. Epilayer Mg0.5Fe2.5O4exhibited at ferromagnetic resonance non-collinearity between its magnetisation and the external field dependent on θ and frequency. The interface, of weaker magnetisation, exhibited superparamagnetic properties - the magnetisation increased with increasing microwave frequency.
Keywords :
Ferrites; Crystallography; Ferrimagnetic materials; Ferrites; Iron; Magnesium; Magnetic properties; Magnetic resonance; Magnetization; Microwave frequencies; Temperature measurement;
fLanguage :
English
Journal_Title :
Magnetics, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9464
Type :
jour
DOI :
10.1109/TMAG.1978.1059934
Filename :
1059934
Link To Document :
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