Complementary spin-Hall and inverse spin-galvanic effect torques in a ferromagnet/semiconductor bilayer

Nature Communications

Volumn 6, Issue , 2015, Pages

  Skinner, T D ^a,e   Olejnik K ^b   Cunningham, L K ^a   Kurebayashi, H ^a,c   Campion, R P ^d   Gallagher, B L ^d   Jungwirth, T ^b,d   Ferguson, A J ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b INSTITUTE OF PHYSICS   (Czech Republic)

^c JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^d UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^e UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

FERROMAGNETIC MATERIAL; TRANSITION ELEMENT;

ASYMMETRY; CRYSTAL STRUCTURE; ELECTRICITY GENERATION; EQUIPMENT; EQUIPMENT COMPONENT; INTERFACE; SEMICONDUCTOR INDUSTRY; TORQUE;

ARTICLE; CRYSTAL STRUCTURE; SEMICONDUCTOR; TECHNOLOGY; TORQUE;

EID: 84926352666     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms7730     Document Type: Article

References (37)

1. Miron, I. M. et al. Perpendicular switching of a single ferromagnetic layer induced by in-plane current injection. Nature 476, 189-193 (2011).
2. Liu, L. et al. Spin-torque switching with the giant spin hall effect of tantalum. Science 336, 555-558 (2012).
3. Jungwirth, T., Wunderlich, J., Olejnk, K. Spin hall effect devices. Nat. Mater. 11, 382-390 (2012).
4. Ralph, D., Stiles, M. D. Spin transfer torques. J. Magn. Magn. Mater. 320, 1190-1216 (2008).
5. Ivchenko, E., Ganichev, S. in Spin Physics in Semiconductors. (ed Dyakonov, M. I. ) Ch. 9 (Springer, 2008).
6. Bernevig, B. A., Vafek, O. Piezo-magnetoelectric effects in p-doped semiconductors. Phys. Rev. B 72, 033203 (2005).
7. Manchon, A., Zhang, S. Theory of nonequilibrium intrinsic spin torque in a single nanomagnet. Phys. Rev. B 78, 212405 (2008).
8. Chernyshov, A. et al. Evidence for reversible control of magnetization in a ferromagnetic material by means of spin-orbit magnetic field. Nat. Phys. 5, 656-659 (2009).
9. Kato, Y. K., Myers, R. C., Gossard, A. C., Awschalom, D. D. Observation of the spin Hall effect in semiconductors. Science 306, 1910-1913 (2004).
10. Kato, Y., Myers, R. C., Gossard, A. C., Awschalom, D. D. Current induced electron spin polarization in strained semiconductors. Phys. Rev. Lett. 93, 176601 (2004).
11. Wunderlich, J., Kaestner, B., Sinova, J., Jungwirth, T. Experimental observation of the spin Hall effect in a two dimensional spin-orbit coupled semiconductor system. Phys. Rev. Lett. 94, 047204 (2005).
12. Aronov, A. G., Lyanda-Geller, Y. B. Nuclear electric resonance and orientation of carrier spins by an electric field. JETP Lett. 50, 431 (1989).
13. Edelstein, V. M. Spin polarization of conduction electrons induced by electric current in two-dimensional asymmetric electron systems. Solid State Commun. 73, 233-235 (1990).
14. Mal'shukov, A. G., Chao, K. A. Optoelectric spin injection in semiconductor heterostructures without a ferromagnet. Phys. Rev. B 65, 241308 (2002).
15. Silov, A. Y. et al. Current-induced spin polarization at a single heterojunction. Appl. Phys. Lett. 85, 5929-5931 (2004).
16. Ganichev, S. D. et al. Can an electric current orient spins in quantum wells? Preprint at http://arxiv. org/abs/cond-mat/0403641 (2004).
17. Endo, M., Matsukura, F., Ohno, H. Current induced effective magnetic field and magnetization reversal in uniaxial anisotropy (Ga, Mn)As. Appl. Phys. Lett. 97, 222501 (2010).
18. Fang, D. et al. Spin-orbit driven ferromagnetic resonance: a nanoscale magnetic characterisation technique. Nat. Nanotechnol. 6, 413-417 (2011).
19. Miron, I. M. et al. Current-driven spin torque induced by the Rashba effect in a ferromagnetic metal layer. Nat. Mater. 9, 230-234 (2010).
20. Pi, U. H. et al. Tilting of the spin orientation induced by Rashba effect in ferromagnetic metal layer. Appl. Phys. Lett. 97, 162507 (2010).
21. Suzuki, T. et al. Current-induced effective field in perpendicularly magnetized Ta/CoFeB/MgO wire. Appl. Phys. Lett. 98, 142505 (2011).
22. Pesin, D. A., MacDonald, A. H. Quantum kinetic theory of current-induced torques in rashba ferromagnets. Phys. Rev. B 86, 014416 (2012).
23. Wang, X., Manchon, A. Diffusive spin dynamics in ferromagnetic thin films with a Rashba interaction. Phys. Rev. Lett. 108, 117201 (2012).
24. Garate, I., MacDonald, A. H. Influence of a transport current on magnetic anisotropy in gyrotropic ferromagnets. Phys. Rev. B 80, 134403 (2009).
25. Kurebayashi, H. et al. An anti-damping spin-orbit torque originating from the berry curvature. Nat. Nanotechnol. 9, 211-217 (2014).
26. Freimuth, F., Blügel, S., Mokrousov, Y. Spin-orbit torques in Co/Pt(111) and Mn/W(001) magnetic bilayers from first principles. Phys. Rev. B 90, 174423 (2014).
27. Pai, C. et al. Enhancement of perpendicular magnetic anisotropy and transmission of spin-hall-effect-induced spin currents by a Hf spacer layer in W/Hf/CoFeB/MgO layer structures. Appl. Phys. Lett. 104, 082407 (2014).
28. Garello, K. et al. Symmetry and magnitude of spin-orbit torques in ferromagnetic heterostructures. Nat. Nanotechnol. 8, 587-593 (2013).
29. Kim, J. et al. Layer thickness dependence of the current-induced effective field vector in Ta|CoFeB|MgO. Nat. Mater. 12, 240-245 (2013).
30. Fang, D. et al. Electrical excitation and detection of magnetic dynamics with impedance matching. Appl. Phys. Lett. 101, 182402 (2012).
31. Danan, H., Herr, A., Meyer, A. J. P. New determinations of the saturation magnetization of nickel and iron. J. Appl. Phys. 39, 669-670 (1968).
32. Brockmann, M., Zolfl, M., Miethaner, S., Bayreuther, G. In-plane volume and interface magnetic anisotropies in epitaxial Fe films on GaAs(001). J. Magn. Magn. Mater. 198-199, 384-386 (1999).
33. McGuire, T., Potter, R. Anisotropic magnetoresistance in ferromagnetic 3d alloys. IEEE Trans. Magn. 11, 1018-1038 (1975).
34. Ando, K. et al. Angular dependence of inverse spin-Hall effect induced by spin pumping investigated in a NiFe/Pt thin film. Phys. Rev. Lett. 78, 014413 (2008).
35. Harder, M., Cao, Z. X., Gui, Y. S., Fan, X. L., Hu, C. M. Analysis of the line shape of electrically detected ferromagnetic resonance. Phys. Rev. B 84, 054423 (2011).
36. Chen, L., Matsukura, F., Ohno, H. Direct-current voltages in (Ga, Mn)As structures induced by ferromagnetic resonance. Nat. Commun. 4, 2055 (2013).
37. Okamoto, N. et al. Electric control of the spin hall effect by intervalley transitions. Nat. Mater. 13, 932-937 (2014).