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| Hauptseite > Publikationsdatenbank > Spin-orbit torques in Co/Pt(111) and Mn/W(001) magnetic bilayers from first principles > print |
| Hauptseite > Publikationsdatenbank > Spin-orbit torques in Co/Pt(111) and Mn/W(001) magnetic bilayers from first principles > print |
| 001 | 172721 | ||
| 005 | 20230426083115.0 | ||
| 024 | 7 | _ | |a 10.1103/PhysRevB.90.174423 |2 doi |
| 024 | 7 | _ | |a 2128/8110 |2 Handle |
| 024 | 7 | _ | |a WOS:000345244400002 |2 WOS |
| 037 | _ | _ | |a FZJ-2014-06165 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Freimuth, Frank |0 P:(DE-Juel1)130643 |b 0 |e Corresponding Author |u fzj |
| 245 | _ | _ | |a Spin-orbit torques in Co/Pt(111) and Mn/W(001) magnetic bilayers from first principles |
| 260 | _ | _ | |a College Park, Md. |c 2014 |b APS |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 172721 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a An applied electric current through a space-inversion asymmetric magnet induces spin-orbit torques (SOTs) on the magnetic moments, which holds much promise for future memory devices. We discuss general Green's function expressions suitable to compute the linear-response SOT in disordered ferromagnets. The SOT can be decomposed into an even and an odd component with respect to magnetization reversal, where in the limit of vanishing disorder the even SOT is given by the constant Berry curvature of the occupied states, while the odd part exhibits a divergence with respect to disorder strength. Within this formalism, we perform first-principles density-functional theory calculations of the SOT in Co/Pt(111) and Mn/W(001) magnetic bilayers. We find the even and odd torque components to be of comparable magnitude. Moreover, the odd torque depends strongly on an additional capping layer, while the even torque is less sensitive. We show that the even torque is nearly entirely mediated by spin currents in contrast to the odd torque, which can contain an important contribution not due to spin transfer. Our results are in agreement with experiments, showing that our linear-response theory is well-suited for the description of SOTs in complex ferromagnets. |
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| 542 | _ | _ | |i 2014-11-18 |2 Crossref |u http://link.aps.org/licenses/aps-default-license |
| 700 | 1 | _ | |a Blügel, Stefan |0 P:(DE-Juel1)130548 |b 1 |u fzj |
| 700 | 1 | _ | |a Mokrousov, Yuriy |0 P:(DE-Juel1)130848 |b 2 |u fzj |
| 773 | 1 | 8 | |a 10.1103/physrevb.90.174423 |b American Physical Society (APS) |d 2014-11-18 |n 17 |p 174423 |3 journal-article |2 Crossref |t Physical Review B |v 90 |y 2014 |x 1098-0121 |
| 773 | _ | _ | |a 10.1103/PhysRevB.90.174423 |0 PERI:(DE-600)2844160-6 |n 17 |p 174423 |t Physical review / B |v 90 |y 2014 |x 1098-0121 |
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