Spin pumping and spin-transfer torques in antiferromagnets

Abstract

Spin pumping and spin-transfer torques are two reciprocal phenomena widely studied in ferromagnetic materials. However, pumping from antiferromagnets and its relation to current-induced torques have not been explored. By calculating how electrons scatter off a normal metal-antiferromagnetic interface, we derive pumped spin and staggered spin currents in terms of the staggered field, the magnetization, and their rates of change. For both compensated and uncompensated interfaces, spin pumping is of a similar magnitude as in ferromagnets with a direction controlled by the polarization of the driving microwave. The pumped currents are connected to current-induced torques via Onsager reciprocity relations.

5 pages, 4 figures

References in corpus (8)

• Spin Transfer Torques
• Spin Oscillations in Antiferromagnetic NiO Triggered by Circularly Polarized Light
• Phenomenology of Current-Induced Dynamics in Antiferromagnets
• Staggered Dynamics in Antiferromagnets by Collective Coordinates
• Spin transfer in an antiferromagnet
• Spin-transfer torques in anti-ferromagnetic metals from first principles
• Effect of Polarized Current on the Magnetic State of Antiferromagnet
• Spin Transfer Torque in Antiferromagnetic Spin-Valves: From Clean to Disordered Regimes

Cited by in corpus (45)

• Subterahertz spin pumping from an insulating antiferromagnet
• Axion Electrodynamics in Topological Materials
• Imaging current-induced switching of antiferromagnetic domains in CuMnAs
• Negative spin Hall magnetoresistance of Pt on the bulk easy-plane antiferromagnet NiO
• Electric-Field-Controlled Antiferromagnetic Spintronic Devices
• Spin Insulatronics
• Anti-damping spin transfer torque through epitaxial Nickel oxide
• Antiferromagnetic Domain Wall as Spin Wave Polarizer and Retarder
• THz-Frequency Spin-Hall Auto-Oscillator Based on a Canted Antiferromagnet
• Ultrafast Switching of Antiferromagnets via Spin-transfer Torque
• Antiferromagnetic Piezospintronics
• Perspective on Metallic Antiferromagnets
• Spin Superfluidity in Biaxial Antiferromagnetic Insulators
• Spin pumping and shot noise in ferrimagnets: bridging ferro- and antiferromagnets
• Topological spin Hall effects and tunable skyrmion Hall effects in uniaxial antiferromagnetic insulators
• Switching of a large anomalous Hall effect between metamagnetic phases of a non-collinear antiferromagnet
• Mode-Dependent Damping in Metallic Antiferromagnets Due to Inter-Sublattice Spin Pumping
• Spin diffusion and torques in disordered antiferromagnets
• Crystal field effects on spin pumping
• Terahertz frequency spectrum analysis with a nanoscale antiferromagnetic tunnel junction
• Magnon-mediated superconductivity on the surface of a topological insulator
• Berry-phase effects and electronic dynamics in noncollinear antiferromagnetic texture
• Spin-wave chirality and its manifestations in antiferromagnets
• Piezospintronic effect in honeycomb antiferromagnets
• Generation of third-harmonic spin oscillation from strong spin precession induced by terahertz magnetic near fields
• Magnetic order of Dy${}^{3+}$ and Fe${}^{3+}$ moments in antiferromagnetic DyFeO${}_3$ probed by spin Hall magnetoresistance and spin Seebeck effect
• Tunable Strong Magnetic Anisotropy in Two-Dimensional van der Waals Antiferromagnets
• Cross-sublattice Spin Pumping and Magnon Level Attraction in van der Waals Antiferromagnets
• Recent progress in antiferromagnetic dynamics
• Exotic rare earth-based materials for emerging spintronic technology
• Role of NiO in the nonlocal spin transport through thin NiO films on Y${}_3$Fe${}_5$O${}_{12}$
• Magnetic terahertz resonances above the Néel temperature in the frustrated kagome antiferromagnet averievite
• Curvilinear manipulation of polarized spin wave
• Significant Unconventional Anomalous Hall Effect in Heavy Metal/Antiferromagnetic Insulator Heterostructures
• Spin-pumping in superconductor-antiferromagnetic insulator bilayers
• Antiferromagnetic resonance excited by oscillating electric currents
• Boundary conditions at the interface of finite thickness between ferromagnetic and antiferromagnetic materials
• Theory of Harmonic Hall Responses of Spin-Torque Driven Antiferromagnets
• Spin orbit torque switching of antiferromagnet through the Neel reorientation in rare-earth ferrite
• Spin Hall Effects in Antiferromagnets
• Optomagnonic Josephson effect in antiferromagnets
• Spin-transport, spin-torque and memory in antiferromagnetic devices: Part of a collection of reviews on antiferromagnetic spintronics
• Part of a collection of reviews on antiferromagnetic spintronics. Antiferromagnetic dynamics, spin-texures, and nanostructures
• Direct and inverse spin-orbit torques in antiferromagnetic and ferromagnetic FeRh/W(001)
• Magnetically Ordered Insulators for Advanced Spintronics