(Co+Si)/Pd films with a high perpendicular magnetic anisotropy.
1993
Co/Pd layered films with Si added to the Co layers have been found to show a high perpendicular anisotropy with K≃1×10 5 J m -3 , good coercivity, high coercivity ratio, and high remanence ratio. Samples with thin (Co+Si) layers contain uniform, narrow stripe domains. The microstructure consists of a large-cale polycrystalline structure, a fine-scale structure that may be amorphous, and a banded structure in which CoSi-rich and CoSi 2 -rich regions are separated, in addition to regions of Co-Pd alloy and Pd. Clear interfaces between the (Co+Si) and the Pd layers were not found
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