CPC G11B 5/314 (2013.01) [G11B 11/10539 (2013.01); G11B 2005/0024 (2013.01); H01F 10/30 (2013.01); H01F 10/329 (2013.01); Y10T 428/11 (2015.01); Y10T 428/1193 (2015.01)] | 19 Claims |
1. A magnetic recording head, comprising:
a main pole; and
a spin torque oscillator (STO), comprising:
a seed layer comprising a template layer and a damping reduction layer over the template layer, the template layer being disposed in contact with the main pole and the damping reduction layer, wherein the template layer comprises ruthenium or a ruthenium alloy, and wherein the damping reduction layer comprising a nickel aluminum alloy;
a spin polarization layer over the damping reduction layer;
a spacer layer over the spin polarization layer; and
a field generation layer over the spacer layer.
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