Tunable Spin-Orbit Torques in Cu-Ta Binary Alloy Heterostructures

Tian-Yue Chen, Chun-Te Wu, Hung-Wei Yen +1

The spin Hall effect (SHE) is found to be strong in heavy transition metals (HM), such as Ta and W, in their amorphous and/or high resistivity form. In this work, we show that by e…