Karnad, G. V. and Gorini, C. and Lee, K. and Schulz, T. and Lo Conte, R. and Wells, A. W. J. and Han, D. -S. and Shahbazi, K. and Kim, J. -S. and Moore, T. A. and Swagten, H. J. M. and Eckern, U. and Raimondi, R. and Klaeui, M. (2018) Evidence for phonon skew scattering in the spin Hall effect of platinum. PHYSICAL REVIEW B, 97 (10): 100405. ISSN 2469-9950, 2469-9969
Full text not available from this repository. (Request a copy)Abstract
We measure and analyze the effective spin Hall angle of platinum in the low-residual resistivity regime by second-harmonic measurements of the spin-orbit torques for a multilayer of Pt vertical bar Co vertical bar AlOx. An angular-dependent study of the torques allows us to extract the effective spin Hall angle responsible for the damping-like torque in the system. We observe a strikingly nonmonotonic and reproducible temperature dependence of the torques. This behavior is compatible with recent theoretical predictions which include both intrinsic and extrinsic (impurities and phonons) contributions to the spin Hall effect at finite temperatures.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ORIENTATION; ELECTRONS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Mar 2020 09:51 |
| Last Modified: | 20 Mar 2020 09:51 |
| URI: | https://pred.uni-regensburg.de/id/eprint/14876 |
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