Boundary conditions for spin and charge diffusion in the presence of interfacial spin-orbit coupling
arXiv:1903.12592 · doi:10.1103/PhysRevB.99.241401
Abstract
Breaking of the inversion symmetry at the interface between different materials may dramatically enhance spin-orbit interaction in the vicinity of the interface. We incorporate the effects of this interfacial spin-orbit coupling (ISOC) into the standard drift-diffusion theory by deriving generalized boundary conditions for diffusion equations. Our theoretical scheme is based on symmetry arguments, providing a natural classification and parametrization of all spin-charge and spin-spin conversion effects that occur due to ISOC at macroscopically isotropic interfaces between nonmagnetic materials. We illustrate our approach with specific examples of spin-charge conversion in hybrid structures. In particular, for a lateral metal-insulator structure we predict an "ISOC-gating" effect which can be used to detect spin currents in metallic films with weak bulk SOC.
References in corpus (37)
- Spintronics: Fundamentals and applications
- Direct electronic measurement of the spin Hall effect
- Room Temperature Reversible Spin Hall Effect
- Giant Spin-splitting in the Bi/Ag(111) Surface Alloy
- Spin-orbit torques induced by interface-generated spin currents
- Spatial imaging of the spin Hall effect and current-induced polarization in two-dimensional electron gases
- Non-collinear Magnetoelectronics
- Spin Transport at Interfaces with Spin-Orbit Coupling: Phenomenology
- Inverse Edelstein Effect
- Interface-generated spin currents
- Spin-transport in multi-terminal normal metal - ferromagnet systems with non-collinear magnetizations
- Diffuse transport and spin accumulation in a Rashba two-dimensional electron gas
- Spin Transport at Interfaces with Spin-Orbit Coupling: Formalism
- Spin-dependent tunnelling through a symmetric barrier
- Magnetoresistance due to edge spin accumulation
- Spin-dependent resonant tunneling in symmetrical double-barrier structure
- Swapping of spin currents: interchanging spin and flow directions
- Origin of inverse Rashba-Edelstein effect at Cu/Bi interface using lateral spin valves
- Intrinsic Spin Hall Edges
- Conductance modulation by spin precession in non-collinear ferromagnet-normal metal-ferromagnet systems
- Experimental observation of spin to charge current conversion at non-magnetic metal/Bi2O3 interfaces
- Spin Swapping Transport and Torques in Ultrathin Magnetic Bilayers
- Spin-Hall effect on edge magnetization and electric conductance of a 2D semiconductor strip
- Tunneling spin-galvanic effect
- Boundary conditions for spin diffusion
- Spin-dependent tunneling through a symmetric semiconductor barrier: the Dresselhaus effect
- Theory of coupled spin-charge transport due to spin-orbit interaction in inhomogeneous two-dimensional electron liquids
- Ballistic spin transport in the presence of interfaces with strong spin-orbit coupling
- Theory of the spin galvanic effect at oxide interfaces
- Boundary spin Hall effect in a two-dimensional semiconductor system with Rashba spin-orbit coupling
- Spin-current in generic hybrid structures due to interfacial spin-orbit scattering
- On boundary conditions for spin diffusion equations with Rashba spin-orbit interaction
- Current-induced spin polarization at the surface of metallic films: a theorem and an ab initio calculation
- Spin-Hall Conductivity and Electric Polarization in Metallic Thin Films
- Interfacial spin Hall effect and spin swapping in Fe|Au bilayer from first principles
- Spin relaxation characteristics in Ag nanowire covered with various oxides
- Spin orientation and spin-Hall effect induced by tunneling electrons
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- Maximizing Spin-Orbit Torque Generated by the Spin Hall Effect of Pt
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- Absence of significant spin current generation in Ti/FeCoB bilayers with strong interfacial spin-orbit coupling
- Nonreciprocal superconducting transport and the spin Hall effect in gyrotropic structures
- Theory of magnetic response in finite two-dimensional superconductors
- Measurement of the Spin Absorption Anisotropy in Lateral Spin Valves
- Interfacial mechanism in the anomalous Hall effect of Co/BiO bilayers
- Nonlocal magnetolectric effects in diffusive conductors with spatially inhomogeneous spin-orbit coupling
- Evidence for spin swapping from modulation of transverse resistance in magnetic heterostructures with Rashba interface
- Current-induced spin polarization at metallic surfaces from first-principles
- Interfacial spin-orbit coupling in superconducting hybrid systems
- Large spin-charge interconversion induced by interfacial spin-orbit coupling in a highly conducting all-metallic system
- Quantification of interfacial spin-charge conversion in metal/insulator hybrid structures by generalized boundary conditions