| 摘要 |
A spin-valve film used in a magnetoresistive-effect magnetic head includes an antiferromagnetic layer, a magnetization fixing layer, a non-magnetic layer, and a free layer. The magnetization fixing layer or the free layer is provided with a layered ferromagnetic structure which includes a pair of magnetic layers through the intermediary of a non-magnetic layer. In the layered ferromagnetic structure, a surface oxidation layer is formed on the surface of the non-magnetic intermediate layer to the side of the non-magnetic layer.
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