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US 2025/0040445 A1Published application
Spintronics device, magnetic memory, electronic apparatus, and manufacturing method for spintronics device
OwnerYukio NOZAKIinventor
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Abstract
A spintronics device is a spintronics device that generates a spin current, the device including: a metal layer; a semiconductor layer having a lower carrier mobility or a lower electrical conductivity than the metal layer; and a gradient layer located at a boundary between the metal layer and the semiconductor layer, and having a gradient in the carrier mobility or the electrical conductivity.
Claims13
A spintronics device that generates a spin current, the device comprising:
- a metal layer;
- a semiconductor layer having a lower carrier mobility or a lower electrical conductivity than the metal layer;
- and
- a gradient layer located at a boundary between the metal layer and the semiconductor layer, and having a gradient in the carrier mobility or the electrical conductivity.
1 more element
A magnetic memory comprising:
- a first ferromagnetic layer;
- a non-magnetic layer provided on the first ferromagnetic layer;
- a second ferromagnetic layer provided on the non-magnetic layer;
- a metal layer provided on the second ferromagnetic layer;
- a semiconductor layer having a lower carrier mobility or a lower electrical conductivity than the metal layer, and provided on the metal layer;
- and
- a gradient layer located at a boundary between the metal layer and the semiconductor layer, and having a gradient in the carrier mobility or the electrical conductivity,
- wherein the magnetic memory stores information by controlling a direction of a magnetization of the second ferromagnetic layer using a spin current generated in the gradient layer.
5 more elements
Dependencies are inferred from the claim text.