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Using a first-principles method, we determined the composition and orientation dependence of oscillatory exchange coupling in bcc Fe/VₓCr_1-x and Fe/Cr_1-yMny magnetic multilayer alloys for $0<x<1$ and $0<y<0.3$. For the [001] and [110] orientations, the coupling was oscillatory and well described by the superposition of two well-separated RKKY-like components. The composition dependence of the coupling amplitudes and periods shows a rich variety of features. These are discussed and compared with experiment and the predictions of simplified models.
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Schilfgaarde et al. (1995) studied this question.
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