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Abstract
Structural and magnetic properties of Gd/W multilayers prepared by electron-beam evaporation in UHV have been studied. The thickness of the W layers has been kept constant at 18 Å and the thickness of Gd layers has been varied from 8 to 85 Å. Structural studies reveal the multilayers to have a well layered structure and to be polycrystalline with (0001) and (110) textures for the Gd and W layers, respectively. The magnetizations measured in fields up to 5 T yield an average magnetic moment of about 6.1 μ B/Gd atom, which is significantly smaller than 7.6 μ B known for bulk Gd. The previously observed very high magnetizations in Gd/W multilayers [1] are not consistent with our results.
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