Synthesis and magnetic states of cobalt in three-layer Co/Ge/Co films

The magnetic properties of three-layer Co-Ge magnetic films have been studied experimentally as a function of technological conditions of their deposition. It has been found that the films deposited at a high deposition rate have a granular structure, and the films obtained at a low deposition rate...

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Bibliographic Details
Published in:Physics of the solid state 2014-02, Vol.56 (2), p.302-309
Main Authors: Patrin, G. S., Turpanov, I. A., Kobyakov, A. V., Velikanov, D. A., Patrin, K. G., Li, L. A., Mal’tsev, V. K., Zharkov, S. M., Yushkov, V. I.
Format: Article
Language:English
Subjects:
Cobalt
Electron microscopy
Magnetic properties
Magnetism
Physics
Physics and Astronomy
Semiconductors
Solid State Physics
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Summary:The magnetic properties of three-layer Co-Ge magnetic films have been studied experimentally as a function of technological conditions of their deposition. It has been found that the films deposited at a high deposition rate have a granular structure, and the films obtained at a low deposition rate have an X-ray amorphous structure. Electron microscopy and nuclear magnetic resonance studies have demonstrated that, at the same cobalt layer thickness, the semiconductor granule sizes depend on the average semiconductor layer thickness and correlate with the formation of different cobalt phases (amorphous, cubic, and hexagonal). The thermomagnetic properties of the films have been investigated.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783414020255