Spin–orbit proximity effect in Bi/Co multilayer: The role of interface scattering
Source abstract
Abstract
The Spin-Orbit Proximity Effect is the raise of Spin-Orbit Coupling at a layer near to the interface with a strong spin-orbit material. It has been seen in several system such as graphene and ferromagnetic layers. The control of the Spin-Orbit Coupling can be a pathway to discover novel and exotic phases in superconductor and semimetallic systems. Here, we study the magnetoelectrical transport, i.e., magnetoresistance and anomalous Hall effect, in Cobalt/Bismuth multilayers looking for traces of spin-orbit proximity effect and evaluate the origin of such effect. Our results point for an increase of Spontaneous Magnetic Anisotropy of Resistivity and Anomalous Hall Resistivity at very low thicknesses of Cobalt. The analysis of the Anomalous Hall Resisitivity indicate that the Bismuth layers change the scattering mechanism of Hall effect to the extrinsic skew-scattering type, indicating that the spin-orbit proximity effect could be related to the elastic scattering of cobalt free carriers by bismuth sites at the interface.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Physics of Superconductivity and Magnetism · Magnetic properties of thin films · Quantum and electron transport phenomena
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (39)
Show source-provided references
1. New perspectives for rashba spin–orbit coupling10.1038/nmat4360 ↗
2. Interface-induced phenomena in magnetism10.1103/RevModPhys.89.025006 ↗
3. Skyrmions on the track10.1038/nnano.2013.29 ↗
4. Magnetic skyrmions: advances in physics and potential applications10.1038/natrevmats.2017.31 ↗
5. The quantum anomalous hall effect: Theory and experiment10.1146/annurev-conmatphys-031115-011417 ↗
6. Quantum anomalous hall effect in magnetic doped topological insulators and ferromagnetic spin-gapless semiconductors - a perspective review10.1002/smll.201904322 ↗
7. Current-induced spin–orbit torques in ferromagnetic and antiferromagnetic systems10.1103/RevModPhys.91.035004 ↗
8. Current-induced spin–orbit torques for spintronic applications10.1002/adma.201907148 ↗
9. Roadmap of spin–orbit torques10.1109/TMAG.2021.3078583 ↗
10. Quasiclassical theory for interfaces with spin–orbit coupling10.1103/PhysRevB.100.064502 ↗
11. Spin–orbit coupling as a source of long-range triplet proximity effect in superconductor-ferromagnet hybrid structures10.1103/PhysRevB.89.134517 ↗
12. Recent advances in tunable spin–orbit coupling using ferroelectricity10.1063/5.0052553 ↗
13. Tuning the interfacial spin–orbit coupling with ferroelectricity10.1038/s41467-020-16401-7 ↗
14. Spin–orbit proximity effect in graphene10.1038/ncomms5875 ↗
15. Proximity-induced spin–orbit effects in graphene on au10.1103/PhysRevB.99.085411 ↗
16. Spin–orbit coupling induced gap in graphene on pt(111) with intercalated pb monolayer10.1021/acsnano.6b05982 ↗
17. Spin–orbit proximity effect in graphene on metallic substrates: decoration versus intercalation with metal adatoms10.1088/1367-2630/ab2bc7 ↗
18. Giant rashba splitting in graphene due to hybridization with gold10.1038/ncomms2227 ↗
19. Interface-based tuning of rashba spin–orbit interaction in asymmetric oxide heterostructures with 3d electrons10.1038/s41467-019-10961-z ↗
20. Engineering giant rashba spin–orbit splitting in graphene via n-p codoping10.1103/PhysRevB.99.195439 ↗
21. A high-temperature ferromagnetic topological insulating phase by proximity coupling10.1038/nature17635 ↗
22. Pt magnetic polarization on y3fe5o12 and magnetotransport characteristics10.1103/PhysRevLett.110.147207 ↗
23. Manipulating effective spin orbit coupling based on proximity effect in magnetic bilayers
24. Spin–orbit coupling proximity effect in mos2/fe3gete2 heterostructures10.1063/5.0080505 ↗
25. Zhang · 2013
26. Campbell · 1982 · vol. 3
27. Spin textures and magnetotransport properties in cobalt/ruthenium and cobalt/palladium bilayers10.1016/j.jmmm.2020.167447 ↗
28. The anomalous hall effect in epitaxial face-centered-cubic cobalt films
29. Anisotropic magnetoresistance effects in fe, co, ni, fe4n, and half-metallic ferromagnet: A systematic analysis10.1143/JPSJ.81.024705 ↗
30. The spontaneous resistivity anisotropy in ni-based alloys10.1088/0022-3719/3/1S/310 ↗
31. Thin films of fexni1−x electroplated on silicon 10010.1016/j.jmmm.2003.12.218 ↗
32. Large enhancement of anisotropic magnetoresistance and thermal stability in ta/nife/ta trilayers with interfacial pt addition
33. Magnetic and transport properties of alternately deposited co-bi films10.1063/1.1564860 ↗
34. Anomalous hall effect10.1103/RevModPhys.82.1539 ↗
35. Hall effect in ferromagnetics10.1103/PhysRev.95.1154 ↗
36. Anomalous hall resistivity of cobalt films: Evidence for the intrinsic spin–orbit effect10.1103/PhysRevB.72.060412 ↗
37. Spin-to-charge conversion using rashba coupling at the interface between non-magnetic materials10.1038/ncomms3944 ↗
38. Spin-to-charge conversion in bi films and Bi/Ag bilayers10.1103/PhysRevLett.121.037201 ↗
39. Spin-to-charge conversion in Ag/Bi bilayer revisited10.1103/PhysRevLett.126.197201 ↗