Magnetic recording media with high magnetization absorption layer and gradient segregant structure

A magnetic recording medium comprising:

• a substrate;
• a heat sink layer on the substrate;
• a magnetic recording layer (MRL) on the heat sink layer;
• a capping layer on the MRL, wherein the capping layer comprises a capping layer magnetic material and a capping layer segregant;
• and
• an absorption layer on the capping layer, the absorption layer being a discrete layer separate from the capping layer, wherein the absorption layer comprises an absorption layer magnetic material and an absorption layer segregant, with the absorption layer segregant configured to provide a gradient in a volume percentage of the absorption layer segregant with the volume percentage increasing away from the capping layer.

A method for fabricating a magnetic recording medium, the method comprising:

• providing a substrate;
• providing a heat sink layer on the substrate;
• providing a magnetic recording layer (MRL) on the heat sink layer;
• providing a capping layer on the MRL, with the capping layer comprising a capping layer magnetic material that comprises CoPt;
• and
• providing an absorption layer on the capping layer, the absorption layer being a discrete layer separate from the capping layer, wherein the absorption layer comprises an absorption layer magnetic material that comprises CoFe.