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US 2020/0266336 A1Published application
Spin-orbit-torque magnetization rotating element, spin-orbit-torque magnetoresistance effect element, and magnetic memory
AssigneeTDK Corporation
InventorsKatsuyuki NAKADA, Yohei SHIOKAWA
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Abstract
This spin-orbit-torque magnetization rotating element includes a spin-orbit torque wiring extending in a first direction and a first ferromagnetic layer laminated on the spin-orbit torque wiring, wherein the spin-orbit torque wiring includes a compound represented by XYZ or X2YZ with respect to a stoichiometric composition.
Claims19
A spin-orbit-torque magnetization rotating element comprising:
- a spin-orbit torque wiring extending in a first direction;
- and
- a first ferromagnetic layer laminated on the spin-orbit torque wiring,
- wherein the spin-orbit torque wiring includes a compound represented by XYZ or X2YZ with respect to a stoichiometric composition, and
- a main framework of the spin-orbit torque wiring has a structure including any of an L21 structure, a B2 structure, and an A2 structure in a case where the compound is represented by X2YZ and
- a main framework of the spin-orbit torque wiring has a structure including any of a C1b structure, the B2 structure, and the A2 structure in a case where the compound is represented by XYZ.
3 more elements
A spin-orbit-torque magnetization rotating element comprising:
- a spin-orbit torque wiring extending in a first direction;
- and
- a first ferromagnetic layer laminated on the spin-orbit torque wiring,
- wherein the spin-orbit torque wiring includes a compound represented by XYZ or X2YZ with respect to a stoichiometric composition,
- X is at least one element selected from a group consisting of Fe, Co, Ni, Mn, Re, Ru, Os, Rh, Pd, Ir, and Pt,
- Y is at least one element different from the X and selected from a group consisting of Ti, V, Cr, Mo, W, Ta, Mn, Re, Os, Zr, Nb, Hf, Ta, Zn, Cu, Ag, Au, Gd, Tb, Dy, Ho, Er, Fe, Ru, Tm, Yb, and Lu, and
- Z is at least one element selected from a group consisting of Al, Si, Ga, Ge, In, Sn, Sb, Pb, Mg, Sr, and Bi.
4 more elements
Dependencies are inferred from the claim text.