Synthesis and Magnetic Properties of the Core–Shell Fe3O4/CoFe2O4 Nanoparticles

The Fe 3 O 4 /CoFe 2 O 4 nanoparticles with a core–shell structure with an average size of 5 nm have been obtained by codeposition from the iron and cobalt chloride solutions. An analysis of the magnetic properties of the obtained system and their comparison with the data for single-phase Fe 3 O 4 (...

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Bibliographic Details
Published in:Physics of the solid state 2020-02, Vol.62 (2), p.285-290
Main Authors: Balaev, D. A., Semenov, S. V., Dubrovskii, A. A., Krasikov, A. A., Popkov, S. I., Yakushkin, S. S., Kirillov, V. L., Mart’yanov, O. N.
Format: Article
Language:English
Subjects:
Cobalt ferrites
Codeposition
Core-shell structure
Iron oxides
Magnetic properties
Magnetism
Nanoparticles
Physics
Physics and Astronomy
Shells
Solid State Physics
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Summary:The Fe 3 O 4 /CoFe 2 O 4 nanoparticles with a core–shell structure with an average size of 5 nm have been obtained by codeposition from the iron and cobalt chloride solutions. An analysis of the magnetic properties of the obtained system and their comparison with the data for single-phase Fe 3 O 4 (4 nm) and CoFe 2 O 4 (6 nm) nanoparticles has led to the conclusion about a noticeable interaction between the soft magnetic (Fe 3 O 4 ) and hard magnetic (CoFe 2 O 4 ) phases forming the core and shell of hybrid particles.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783420020043