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Multilayer Co/Pd films with nanocrystalline and amorphous Co layers: Coercive force, random anisotropy, and exchange coupling of grains

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Abstract

The values of saturation magnetization M s, exchange coupling constant A, local magnetic anisotropy field H a, random anisotropy correlation radius R c, and coercive force H c were independently measured for multilayer Co/Pd films with nanocrystalline and amorphous Co layers. It is shown that variation of the coercive force H c(t Co) as a function of the cobalt layer thickness t Co is related to changes in characteristics of the magnetic microstructure. The main factor determining changes in the ferromagnetic correlation radius R f and the average anisotropy 〈K〉 of a magnetic block in multilayer Co/Pd films is variation of exchange coupling constant A(t Co).

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Authors and Affiliations

  1. Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russia

    R. S. Iskhakov, S. V. Komogortsev, A. D. Balaev & L. A. Chekanova

Authors
  1. R. S. Iskhakov
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  2. S. V. Komogortsev
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  3. A. D. Balaev
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  4. L. A. Chekanova
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 28, No. 17, 2002, pp. 37–44.

Original Russian Text Copyright © 2002 by Iskhakov, Komogortsev, Balaev, Chekanova.

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Iskhakov, R.S., Komogortsev, S.V., Balaev, A.D. et al. Multilayer Co/Pd films with nanocrystalline and amorphous Co layers: Coercive force, random anisotropy, and exchange coupling of grains. Tech. Phys. Lett. 28, 725–728 (2002). https://doi.org/10.1134/1.1511766

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  • DOI: https://doi.org/10.1134/1.1511766

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