Galvanomagnetic Properties of Thin-Film (Fe, Co, Ni)/Rare Earth Metal Oxide Structures

The magnetic interaction between contacting films of 3d and 4f metals has long been known to promote the formation of complex magnetic structures promising for spintronic applications. The replacement of 4f metals by their oxides, mainly possessing paramagnetic and dielectric properties, opens up an...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2018-09, Vol.57 (5-6), p.325-328
Main Authors: Kasumov, A. M., Karavaeva, V. M., Mikitchenko, A. A., Shapoval, K. O., Perepelitsa, M. A., Lashkarev, G. V.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemical composition
Chemistry and Materials Science
Cobalt
Composites
Dependence
Dielectric materials
Dielectric properties
Electrical conductivity
Electromagnetism
Field strength
Glass
Iron
Magnetic fields
Magnetic properties
Magnetism
Magnetization
Magnetoresistance
Magnetoresistivity
Materials Science
Metallic films
Metallic Materials
Multilayers
Natural Materials
Nickel
Organic chemistry
Rare earth compounds
Rare earth metals
Thin films
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Summary:The magnetic interaction between contacting films of 3d and 4f metals has long been known to promote the formation of complex magnetic structures promising for spintronic applications. The replacement of 4f metals by their oxides, mainly possessing paramagnetic and dielectric properties, opens up an opportunity to create systems with both magnetic and electric complex structures. This further extends the applications of such multilayer films. However, the study of the (Fe, Co, Ni)/rare earth metal (REM) oxide systems is still in the initial stage. The dependence of galvanomagnetic properties (magnetoresistance and magnetization) on the chemical composition of layers in the (Fe, Co, Ni)/REM oxide system and magnetic field strength suggests that there is magnetic interaction between the 3d and 4f electronic shells at interface. The maximum increase in these parameters is observed in the Fe/Dy 2 O 3 system when the magnetic field vector is parallel to the current through the metal film.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-018-9985-x