Electric charging of magnetic textures on the surface of a topological insulator

Abstract

A three-dimensional topological insulator manifests gapless surface modes, described by two-dimensional Dirac equation. We study magnetic textures, such as domain walls and vortices, in a ferromagnetic thin film deposited on a three-dimensional topological insulator. It is shown that these textures can be electrically charged, ascribed to the proximity effect with the Dirac surface states. We derive a general relation between the electric and the magnetic charges. As a physical consequence, we discuss domain wall motion driven by an applied electric field, which promises magnetic devices with high thermal efficiency.

5 pages, 2 figures

References in corpus (3)

• Topological Field Theory of Time-Reversal Invariant Insulators
• Microscopic approach to current-driven domain wall dynamics
• Quantum Hall Effect of Massless Dirac Fermions in a Vanishing Magnetic Field

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• Transport in three-dimensional topological insulators: theory and experiment
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• Magnetic textures and dynamics in magnetic Weyl semimetals
• Thin topological insulator film in a perpendicular magnetic field
• Magnetic-proximity-induced magnetoresistance on topological insulators
• Electrostatically Controlled Magnetization Rotation in Ferromagnet-Topological Insulator Planar Structures
• Topological Insulator Cell for Memory and Magnetic Sensor Applications
• Spintronics and spincaloritronics in topological insulators
• Universal charge and current on magnetic domain walls in Weyl semimetals
• Domain wall of a ferromagnet on a three-dimensional topological insulator
• Amperean Pairing at the Surface of Topological Insulators
• Theory for spin torque in Weyl semimetal with magnetic texture
• Excitons and Optical Absorption on the Surface of a Strong Topological Insulator with a Magnetic Energy Gap
• Anomalous Hall response of topological insulators
• Spin and Orbital Magnetic Response on the Surface of a Topological Insulator
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• Colloquium: Quantum skyrmionics
• Electric polarization of magnetic textures: new horizons of micromagnetism
• Theory of current-driven dynamics of spin textures on a surface of topological insulators
• Spin Orbit Torque in two dimensional Antiferromagnetic Topological Insulators
• Voltage-driven magnetization switching and spin pumping in Weyl semimetals
• Spin diffusion and magnetoresistance in ferromagnet/topological-insulator junctions
• Domain Wall Motion in Thin-Film Magnets/ Topological Insulator Junctions
• Fluctuation-induced magnetization dynamics and criticality at the interface of a topological insulator with a magnetically ordered layer
• Topological charge pumping effect by the magnetization dynamics on the Surface of Three-Dimensional Topological Insulators
• Spin injection into a metal from a topological insulator
• Edge states of a three-dimensional topological insulator
• Magnon-induced superconductivity in a topological insulator coupled to ferro- and antiferromagnetic insulators
• Transport across a junction of topological insulators and a superconductor
• Charge-Induced Spin Torque in Anomalous Hall Ferromagnets
• Dirac electrons and domain walls: a realization in junctions of ferromagnets and topological insulators
• Designer Meron Lattice on the Surface of a Topological Insulator
• Microscopic Theory of Ultrafast Skyrmion Excitation by Light
• Skyrmion-induced anomalous Hall conductivity on topological insulator surfaces
• Gap Generation in Topological Insulator Surface States by non-Ferromagnetic Magnets
• Domain Wall in a Quantum Anomalous Hall Insulator as a Magnetoelectric Piston
• Tunable unconventional Kondo effect on topological insulator surfaces
• Electric manipulation of domain walls in magnetic Weyl semimetals via the axial anomaly
• Axial anomaly generation by domain wall motion in Weyl semimetals
• Effective Quantum Theories for Transport in Inhomogeneous Systems with Non-trivial Band Structure
• Highly Tunable Spin-Orbit Torque and Anisotropic Magnetoresistance in a Topological Insulator Thin Film Attached to Ferromagnetic Layer
• Interface Metallic States between a Topological Insulator and a Ferromagnetic Insulator
• Magnetic skyrmion crystal at a topological insulator surface
• Topological magnetic textures in magnetic topological insulators
• Spin-charge transport driven by magnetization dynamics on disordered surface of doped topological insulators
• Skyrmion-induced bound states on the surface of 3D Topological Insulators
• Twisted magnetic topological insulators
• Resonant optical topological Hall conductivity from skyrmions
• Semi-metal-insulator transition on the surface of a topological insulator with in-plane magnetization
• Voltage-driven Magnetization Switching via Dirac Magnetic Anisotropy and Spin--orbit Torque in Topological-insulator-based Magnetic Heterostructures
• Geometrically induced electric polarization in conical topological insulators
• Nonlinear Magneto-Optical and Magnetoelectric Phenomena in Topological Insulator Heterostructures
• Confining electrons on a topological insulator surface using potentials and a magnetic field
• Electrical response of S-F-TI-S junctions on magnetic texture dynamics
• Electrically-driven domain wall motion in a ferromagnetic Kagome lattice
• Emergence of inductance and capacitance from topological electromagnetism
• Non-local topological magnetoelectric effect by Coulomb interaction at a topological insulator-ferromagnet interface
• Anatomy of Spin and Current Generation from Magnetization Gradients in Topological Insulators and Rashba Metals
• Intrinsic torques emerging from anomalous velocity in magnetic textures
• Experimental demonstration of a magnetically induced warping transition in a topological insulator mediated by rare-earth surface dopants
• Voltage-control of damping constant in magnetic-insulator/topological-insulator bilayers
• Quarter-Filled Honeycomb Lattice with a Quantized Hall Conductance
• Thermal screening at finite chemical potential on a topological surface and its interplay with proximity-induced ferromagnetism
• Topological magnetic dipolar interaction and non-local electric magnetization control in topological insulator heterostructures
• Green's Function Method for Line Defects and Gapless Modes in Topological Insulators : Beyond Semiclassical Approach
• Skyrmion nucleation on the surface of a topological insulator
• Transport of Dirac electrons in a random magnetic field in topological heterostructures
• Nonlinear chiral photocurrent in parity-violating magnetic Weyl semimetals
• Transport in a thin topological insulator with potential and magnetic barriers
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• Gauge fields at the surface of topological insulators
• Electromagnon on the Surface of Magnetic Topological Insulator
• Bound-states and polarized charged zero modes in three-dimensional topological insulators induced by a magnetic vortex
• Dirac Quantum Wells at Domain Walls in Antiferromagnetic Topological Insulators
• Planar magnetic texture on the surface of a topological insulator
• Topological staggered field-electric effect with bipartite magnets
• Electric Field-Induced Skyrmion Crystals via Charged Monopoles in Insulating Helimagets
• Edge bands and vertical transport in topological insulator/magnetic insulator heterostructures
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• Interface-Induced Stability of Nontrivial Topological Spin Textures: Unveiling Room-Temperature Hopfions and Skyrmions
• Magnetic-flux tunable electronic transport through domain walls in a three-dimensional second-order topological insulator
• Probing domain wall dynamics in magnetic Weyl semimetals via the non-linear anomalous Hall effect
• Scattering of Dirac electrons from a skyrmion: emergence of robust skew scattering
• Spin motive force by the momentum-space Berry phase in magnetic Weyl semimetals
• Microscopic theory of electrically induced spin torques in magnetic Weyl semimetals
• New mechanisms to engineer magnetic skyrmions and topological superconductors
• Current response of a topological insulator to a static Zeeman field