Giant Spin-Hall Effect induced by Zeeman Interaction in Graphene

Abstract

We propose a new approach to generate and detect spin currents in graphene, based on a large spin-Hall response arising near the neutrality point in the presence of external magnetic field. Spin currents result from the imbalance of the Hall resistivity for the spin-up and spin-down carriers induced by Zeeman interaction, and do not involve spin-orbit interaction. Large values of the spin-Hall response achievable in moderate magnetic fields produced by on-chip sources, and up to room temperature, make the effect viable for spintronics applications.

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• Scattering theory of spin-orbit active adatoms on graphene
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• Absence of a transport signature of spin-orbit coupling in graphene with indium adatoms
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• Reentrant topological phases in Mn-doped HgTe quantum wells
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• Valley-dependent spin-orbit torques in two dimensional hexagonal crystals
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• Quantum coherence and its dephasing in the giant spin Hall effect and nonlocal voltage generated by magnetotransport through multiterminal graphene bars
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• Charge and spin Hall effect in spin chiral ferromagnetic graphene
• Coulomb drag of viscous electron fluids: drag viscosity and negative drag conductivity
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• Inducing a metal-insulator transition in disordered interacting Dirac fermion systems via an external magnetic field
• Intrinsic Spin-Orbit Interaction in Graphene
• Magnetic phase transition in disordered interacting Dirac fermion systems via the Zeeman field
• Magnetic Proximity Effect in 2D Ferromagnetic CrBr3/Graphene van der Waals Heterostructures
• Dirac's spectrum from Newton laws in graphene
• Magnetically Controlling the Explosion of Dirac Fermions during the Oxidation of Graphene