Patent ID: 11875827
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 21:
22. A spin-orbit torque (SOT) device, comprising:
a substrate comprising a magnetic material;
a non-magnetic layer having a thickness between about 0.5 nm to about 5 nm disposed on the substrate, wherein the non-magnetic layer comprises Pt, Ru, Ta, MgO, or a combination thereof;
a free layer disposed in contact with the non-magnetic layer, the free layer comprising Co, CoFeB, NiFe, or CoFe;
an interlayer disposed in contact with the free layer; and
a bismuth antimony (BiSb) layer disposed in contact with the interlayer, wherein the BiSb layer, the interlayer, and the free layer have collective thickness less than or equal to about 17 nm.