Abstract
The comparison of magnetic recording performance at high density between two kinds of CoCrPtTa/Cr/NiP thin films, one with Co(112̄0)//Cr(200) and another with Co(101̄1)//Cr(110) texture, on glass ceramic substrate is reported. The testing results have shown that the former films have lower transition noise, smaller partial erasure effect, and better offtrack capability in partial response maximum likelihood channel which also enhances the estimated areal density. The better performance of the films with Co(112̄0)//Cr(200) texture may be attributed to microstructure of Cr underlayer which results in bicrystal structure of magnetic layer and smaller Cr grain size.
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