Abstract

Magnetic properties of Cr layers in epitaxial Cr(011)/Sn and Fe(011)/Cr/Sn/Cr multilayerswith monatomic Sn layers at the centre of the Cr layers were studied by means of119Sn Mössbauer spectroscopy. It was found that Cr/Sn interfaces tend to enhance the magneticmoments of Cr layers and Fe/Cr interfaces tend to reduce the magnetic moments of Crlayers. These results were compared with those for (001)-oriented multilayers with the samecomposition. The large reduction of Cr magnetic moments has been found inFe(011)/Cr/Sn/Cr multilayers and this is attributed to a magnetic frustration effect causedby the intrinsic magnetic structure of ferromagnetic Fe(011) and antiferromagnetic Cr(011)planes at the Fe/Cr interfaces.

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