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Interdiffusion and grain isolation in Co/Cr thin films

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3 Author(s)
Feng, Y.C. ; Data Storage Syst. Center, Carnegie Mellon Univ., Pittsburgh, PA, USA ; Laughlin, D.E. ; Lambeth, D.N.

In this work, interdiffusion and grain isolation in Co/Cr films have been investigated by studying the dependence of the magnetic properties on the substrate preheating temperature as well as on post-deposition annealing processes. By choosing pure Co instead of a Co-alloy, the possibility of grain isolation caused by the segregation of solute atoms from within the magnetic layer has been eliminated. It is found that both post-deposition thermal annealing and substrate preheating can effectively increase the isolation of the Co grains

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Magnetics, IEEE Transactions on  (Volume:30 ,  Issue: 6 )