Magnon Mediated Electric Current Drag Across a Ferromagnetic Insulator Layer

Abstract

In a semiconductor hererostructure, the Coulomb interaction is responsible for the electric current drag between two 2D electron gases across an electron impenetrable insulator. For two metallic layers separated by a ferromagnetic insulator (FI) layer, the electric current drag can be mediated by a nonequilibrium magnon current of the FI. We determine the drag current by using the semiclassical Boltzmann approach with proper boundary conditions of electrons and magnons at the metal-FI interface.

13 pages, 2 figures: to appear in PRL

References in corpus (5)

• Direct electronic measurement of the spin Hall effect
• Spin Seebeck insulator
• Realization of XNOR and NAND spin-wave logic gates
• Theoretical prediction of rotating magnon wavepacket in ferromagnets
• Spin Hall Angle Quantification from Spin Pumping and Microwave Photoresistance

Cited by in corpus (19)

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• Spin Insulatronics
• Theory of unidirectional spin Hall magnetoresistance in heavy-metal/ferromagnetic-metal bilayers
• Temperature dependence of the magnon spin diffusion length and magnon spin conductivity in the magnetic insulator yttrium iron garnet
• Influence of yttrium iron garnet thickness and heater opacity on the nonlocal transport of electrically and thermally excited magnons
• Control of nonlocal magnon spin transport via magnon drift currents
• Antiferromagnetic magnon pseudospin: Dynamics and diffusive transport
• Spin Seebeck Effect in Nonmagnetic Excitonic Insulators
• Conversion of electronic to magnonic spin current at heavy-metal magnetic-insulator interface
• Spintronics and Magnon Bose-Einstein Condensation
• Focused ion beam modification of non-local magnon-based transport in yttrium iron garnet/platinum heterostructures
• Magnon drag in a metal-insulating antiferromagnet bilayer
• Magnon spin transport around the compensation magnetic field in easy-plane antiferromagnetic insulators
• Current-induced magnetization dynamics in two magnetic insulators separated by a normal metal
• Interband magnon drag in ferrimagnetic insulators
• Electrical manipulation of spin pumping signal through nonlocal thermal magnon transport
• Influence of low-energy magnons on magnon Hanle experiments in easy-plane antiferromagnets
• Magnetically Ordered Insulators for Advanced Spintronics
• Theory of drift-enabled control in nonlocal magnon transport