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Magnetomigration in granular Co-Cu films

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Abstract

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.

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Authors and Affiliations

  1. Institute of Physics and Technology, Yaroslavl Branch, Russian Academy of Sciences, Universitetskaya ul. 21, Yaroslavl, 150007, Russia

    E. Yu. Buchin & D. A. Kokanov

Authors
  1. E. Yu. Buchin
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  2. D. A. Kokanov
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Correspondence to E. Yu. Buchin.

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Original Russian Text © E.Yu. Buchin, D.A. Kokanov, 2015, published in Zhurnal Tekhnicheskoi Fiziki, 2015, Vol. 85, No. 5, pp. 43–49.

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Buchin, E.Y., Kokanov, D.A. Magnetomigration in granular Co-Cu films. Tech. Phys. 60, 674–679 (2015). https://doi.org/10.1134/S1063784215050035

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