A dependence of the strength of the antiferromagnetic coupling across Cu on the Co layer thickness has been observed. The Co thickness dependence displays two clear peaks consistent with the recently predicted oscillation period of 6.2 Å Co. Apart from the two peaks also several small peaks are visible on a scale of about 1 monolayer Co. Free-electron calculations indicate that these rapid variations in strength may result from slight differences between the slopes and starting points of the two Co wedges that were involved in the experiment.
CITATION STYLE
Bloemen, P. J. H., Van De Vorst, M. T. H., Johnson, M. T., Coehoorn, R., & De Jonge, W. J. M. (1994). Magnetic layer thickness dependence of the interlayer exchange coupling in (001) Co/Cu/Co. Journal of Applied Physics, 76(10), 7081–7083. https://doi.org/10.1063/1.358034
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