Magnetomigration in granular Co-Cu films

The effect of an applied dc inhomogeneous magnetic field on the structure and the composition of granular Co-Cu films is studied during their deposition by an ion-plasma method and during low-temperature vacuum annealing. Magnetomigration, which consists in the oppositely directed mass transfer of p...

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Bibliographic Details
Published in:Technical physics 2015-05, Vol.60 (5), p.674-679
Main Authors: Buchin, E. Yu, Kokanov, D. A.
Format: Article
Language:English
Subjects:
Annealing
Classical and Continuum Physics
Cobalt
Magnetic fields
Physical Science of Materials
Physics
Physics and Astronomy
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Summary:The effect of an applied dc inhomogeneous magnetic field on the structure and the composition of granular Co-Cu films is studied during their deposition by an ion-plasma method and during low-temperature vacuum annealing. Magnetomigration, which consists in the oppositely directed mass transfer of paramagnetic and diamagnetic phases, is detected in both cases. The magnetomigration effect is clearly detected at a temperature of 200–220°C and an applied magnetic field of 500–550 Oe due to a fine-grained structure of the films and, correspondingly, a high granular medium mobility.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784215050035