A review of L1 0 FePt films for high-density magnetic recording

Jingsheng Chen, Chengjun Sun and Gan Moog Chow

International Journal of Product Development, 2008, vol. 5, issue 3/4, 238-258

Abstract: In this paper, we have reviewed the current status of the study of L1₀ FePt alloy films for the application for ultra-high-density magnetic recording. For practical realisation of L1₀ FePt as recording media, issues such as decreasing preparation temperature, easy axis control, and reduction in media noise must be solved. The Ag-doping and strain-inducing methods are the most promising to lower the ordering temperature. However, the films using Ag-doping and strain-inducing method usually showed lower coercivity due to significant amount of defects in the film. Two methods, epitaxial growth and non-epitaxial growth, were introduced to control the easy axis and each method had its advantages and disadvantages. Media noise was also reduced by pinning method.

Keywords: FePt films; magnetic recording media; iron-platinum films; high density recording; epitaxial growth; non-epitaxial growth; media noise; pinning method. (search for similar items in EconPapers)
Date: 2008
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