Nanostructured graphene for spintronics
arXiv:1703.01412 · doi:10.1103/PhysRevB.95.121406
Abstract
Zigzag edges of the honeycomb structure of graphene exhibit magnetic polarization making them attractive as building blocks for spintronic devices. Here, we show that devices with zigzag edged triangular antidots perform essential spintronic functionalities, such as spatial spin-splitting or spin filtering of unpolarized incoming currents. Near-perfect performance can be obtained with optimized structures. The device performance is robust against substantial disorder. The gate-voltage dependence of transverse resistance is qualitatively different for spin-polarized and spin-unpolarized devices, and can be used as a diagnostic tool. Importantly, the suggested devices are feasible within current technologies.
6 pages, 5 figures, published
References in corpus (34)
- The electronic properties of graphene
- Quantum Spin Hall Effect in Graphene
- Half-Metallic Graphene Nanoribbons
- Graphene Spintronics
- Magnetism in Graphene Induced by Single-Atom Defects
- Emergence of magnetism in graphene materials and nanostructures
- Spin-half paramagnetism in graphene induced by point defects
- Room temperature magnetic order on zigzag edges of narrow graphene nanoribbons
- Spatially Resolving Spin-split Edge States of Chiral Graphene Nanoribbons
- Graphene Antidot Lattices - Designed Defects and Spin Qubits
- Spin Filtered Edge States and Quantum Hall Effect in Graphene
- Tunneling Spin Injection into Single Layer Graphene (Supplementary Information)
- Tunneling Spin Injection into Single Layer Graphene
- Vacancy induced magnetism in graphene and graphene ribbons
- Spin currents in rough graphene nanoribbons: Universal fluctuations and spin injection
- Magnetic Moment Formation in Graphene Detected by Scattering of Pure Spin Currents
- RKKY in half-filled bipartite lattices: graphene as an example
- Dual origin of defect magnetism in graphene and its reversible switching by molecular doping
- The recursive Green's function method for graphene
- Perfect spin-fillter and spin-valve in carbon atomic chains
- Origin of half-semimetallicity induced at interfaces of C-BN heterostructures
- Excitonic absorption in gate controlled graphene quantum dots
- Dual Spin Filter Effect in a Zigzag Graphene Nanoribbon
- Pseudospin-driven spin relaxation mechanism in graphene
- Electronic properties of gated triangular graphene quantum dots: Magnetism, correlations, and geometrical effects
- A spin-filter device based on armchair graphene nanoribbons
- Indirect Exchange and Ruderman-Kittel-Kasuya-Yosida (RKKY) Interactions in Magnetically-Doped Graphene
- Multiple Quantum Phases in Graphene with Enhanced Spin-Orbit Coupling: From the Quantum Spin Hall Regime to the Spin Hall Effect and a Robust Metallic State
- Electronic transport in disordered graphene antidot lattice devices
- Weak localization and Raman study of anisotropically etched graphene antidots
- Ratchet effect in graphene with trigonal clusters
- Robust band gap and half-metallicity in graphene with triangular perforations
- Graphene-based spin switch device via modulated Rashba field and strain
- Effective contact model for geometry-independent conductance calculations in graphene
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- Predicting magnetic edge behaviour in graphene using neural networks
- Spin-polarizing electron beam splitter from crossed graphene nanoribbons
- Quantum Monte Carlo study of artificial triangular graphene quantum dots
- Skew scattering and ratchet effect in photonic graphene