| 摘要 |
A magnetic recording medium is constructed to include a lower magnetic layer, a nonmagnetic spacer layer disposed on the lower magnetic layer, and an upper magnetic layer disposed on the nonmagnetic spacer layer, where the upper and lower magnetic layers are antiferromagnetically coupled. The lower magnetic layer comprises a stabilization layer and a lower enhancement layer disposed between the stabilization layer and the nonmagnetic spacer layer, and the stabilization layer and the lower enhancement layer are ferromagnetically exchange coupled. The stabilization layer and the lower enhancement layer are made of CoCr alloys such that a Pt content of the stabilization layer is higher than that of the lower enhancement layer.
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