An apparatus comprises a slider comprising an air bearing surface (ABS). The slider comprises a reader, a writer, and a reader heater. The reader heater is configured to cause a protrusion of the ABS proximate the reader, and the reader heater comprises a first planar loop and a second planar loop, wherein the first and second loops are in the same plane.

An apparatus, in accordance with one approach, includes a module having a first array of read transducers. A first electrical shielding layer is positioned above the first array of read transducers. An array of write transducers is positioned above the first electrical shielding layer. A second electrical shielding layer is positioned above the array of write transducers. A second array of read transducers is positioned above the second electrical shielding layer.

A read head includes a first ferromagnetic layer, a second ferromagnetic layer, a first diffusion-assist nonmagnetic metallic layer located between the first ferromagnetic layer and the second ferromagnetic layer, a second diffusion-assist nonmagnetic metallic layer located between the first ferromagnetic layer and the second ferromagnetic layer, and a semiconductor spacer layer located between the first diffusion-assist nonmagnetic metallic layer and the second diffusion-assist nonmagnetic metallic layer.

A read head includes a first ferromagnetic layer, a second ferromagnetic layer, a first diffusion-assist nonmagnetic metallic layer located between the first ferromagnetic layer and the second ferromagnetic layer, a second diffusion-assist nonmagnetic metallic layer located between the first ferromagnetic layer and the second ferromagnetic layer, and a semiconductor spacer layer located between the first diffusion-assist nonmagnetic metallic layer and the second diffusion-assist nonmagnetic metallic layer.

In one general embodiment, an apparatus includes a module having a tape bearing surface and an array of write transducers extending along the tape bearing surface. Each write transducer has a first write pole having a pole tip extending from a media facing side of the first write pole, a second write pole having a pole tip extending from a media facing side of the second write pole, a nonmagnetic write gap between the pole tips of the write poles, and a high moment layer between the pole tips of the write poles. The high moment layer has a higher magnetic moment than a magnetic moment of the pole tip of the second write pole. The tape bearing surface of the module has patterning, and/or a first tape tenting region where each write transducer is positioned in the first tape tenting region.

The present technology relates to a storage device that realizes both a high information retention property and a low power consumption. A storage device includes a fixed layer, a storage layer, an intermediate layer, and a heat generation layer. The fixed layer includes a first ferromagnetic layer that includes a fixed perpendicular magnetization. The storage layer includes a second ferromagnetic layer that includes a perpendicular magnetization invertible by a spin injection. The intermediate layer is formed of an insulator and is arranged between the storage layer and the fixed layer. The heat generation layer is formed of a resistance heating element and is arranged in at least one of the storage layer and the fixed layer. With this configuration, it becomes possible to provide a storage device that realizes both a high information retention property and a low power consumption.

The present technology relates to a storage device that realizes both a high information retention property and a low power consumption. A storage device includes a fixed layer, a storage layer, an intermediate layer, and a heat generation layer. The fixed layer includes a first ferromagnetic layer that includes a fixed perpendicular magnetization. The storage layer includes a second ferromagnetic layer that includes a perpendicular magnetization invertible by a spin injection. The intermediate layer is formed of an insulator and is arranged between the storage layer and the fixed layer. The heat generation layer is formed of a resistance heating element and is arranged in at least one of the storage layer and the fixed layer. With this configuration, it becomes possible to provide a storage device that realizes both a high information retention property and a low power consumption.

An apparatus, according to one embodiment, includes: an array of write transducers. Each of the write transducer include: a first write pole having a pole tip extending from a media facing side of the first write pole, and a second write pole having a pole tip extending from a media facing side of the second write pole. Each of the write transducers also include a nonmagnetic write gap between the pole tips of the write poles, a first high moment layer between the write gap and the pole tip of the second write pole, and a second high moment layer between the write gap and the pole tip of the first write pole. The first and second high moment layers each have a higher magnetic moment than magnetic moments of the pole tips of the second and first write poles, respectively.

An apparatus according to one embodiment includes a module having a tape bearing surface and a plurality of tunnel valve read transducers arranged in an array extending along the tape bearing surface of the module. Each of the tunnel valve read transducers includes a sensor structure having a free layer, a tunnel barrier layer, and a reference layer. At least some of the sensor structures are recessed from a plane extending along the tape bearing surface. An at least partially polycrystalline coating is positioned on a media facing side of the recessed sensor structures.

Devices having an air bearing surface (ABS), the devices include a write pole; a near field transducer (NFT) including a peg and a disc, wherein the peg is at the ABS of the device; an overcoat, the overcoat including a low surface energy layer.