Abstract
A first-principles Green's function technique has been used to investigate the formation of magnetic moments in Fe/CuN/Fe bcc (001) trilayers (N = integer number of atomic interlayers). We show that the magnetic moment in the paramagnetic spacer material may be accurately described by a superposition of the magnetic profiles of two single Fe/Cu interfaces. We identify the deviation between the superposed and the self-consistently calculated moments with the contribution from magnetic quantum well states.
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