| 摘要 |
A perpendicular magnetic recording medium which is capable of stably retaining minute magnetic domains in a recording layer and which has excellent thermal disturbance resistance, and a magnetic recording apparatus which is provided with the same are provided. The magnetic recording medium comprises a substrate, a magnetic functional layer which is provided on the substrate, and a magnetic recording layer which is stacked in contact with the magnetic functional layer and which has perpendicular magnetic anisotropy, wherein the following expression is satisfied: -4x2piMs<2><=KU<=6x2piMs<2> provided that Ku represents a perpendicular magnetic anisotropy constant of the magnetic functional layer and Ms represents a saturation magnetization. In the magnetic recording medium, the magnetic moment of the magnetic functional layer is rotated in a direction of an applied magnetic field during the recording, and the magnetic moment acts on the magnetization of the recording layer in such a manner that the applied magnetic field is assisted thereby.
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