Ferroelectricity and Rashba effect in GeTe

Abstract

GeTe has been proposed as the father compound of a new class of functional materials displaying bulk Rashba effects coupled to ferroelectricity: ferroelectric Rashba semiconductors. In nice agreement with first principle calculations, we show by angular resolved photoemission and piezo-force microscopy that GeTe displays surface and bulk Rashba bands arising from the intrinsic inversion symmetry breaking provided by the remanent ferroelectric polarization. This work points to the possibility to control the spin chirality of bands in GeTe by acting on its ferroelectric polarization.

10 pages, 4 figures

References in corpus (4)

• Strong spin-orbit splitting on Bi surfaces
• A precise method for visualizing dispersive features in image plots
• Strongly spin-orbit coupled two-dimensional electron gas emerging near the surface of polar semiconductors
• Dynamical, dielectric, and elastic properties of GeTe

Cited by in corpus (74)

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• Ferroelectric control of the spin texture in germanium telluride
• Electrical control of magnetism by electric field and current-induced torques
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• Room-temperature ferroelectric switching of spin-to-charge conversion in GeTe
• Rashba-Dresselhaus spin-splitting in the bulk ferroelectric oxide BiAlO${}_3$
• Reversible spin texture in ferroelectric HfO2
• Entanglement and manipulation of the magnetic and spin-orbit order in multiferroic Rashba semiconductors
• Surface versus bulk contributions to the giant Rashba splitting in the ferroelectric α-GeTe(111) semiconductor
• Direct measurement of ferroelectric polarization in a tunable semimetal
• Rashba spin-splitting in ferroelectric oxides: from rationalizing to engineering
• The different shapes of spin textures as a journey through Brillouin zone chiral and polar symmetries
• Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2
• Persistent spin helix in Rashba-Dresselhaus ferroelectric CsBiNb2O7
• Modulated Interlayer Exciton Properties in a Two-Dimensional Moire Crystal
• Prediction of a controllable Weyl semi-metallic phase in inversion-asymmetric BiSb
• Spin Mapping of Surface and Bulk Rashba States in Ferroelectric a-GeTe(111) Films
• Intertwined Rashba, Dirac and Weyl Fermions in Hexagonal Hyperferroelectrics
• RKKY interaction in three-dimensional electron gases with linear spin-orbit coupling
• Operando imaging of all-electric spin texture manipulation in ferroelectric and multiferroic Rashba semiconductors
• Ultrathin SnTe films as a route towards all-in-one spintronics devices
• The Rashba Scale: Emergence of Band Anti-Crossing as a Design Principle for Materials with Large Rashba coefficient
• Bulk Rashba Effect in Multiferroics: a theoretical prediction for BiCoO3
• Two-dimensional Square Buckled Rashba Lead Chalcogenides
• Strain-induced gauge and Rashba fields in ferroelectric Rashba lead chalcogenide PbX monolayers (X = S, Se, Te)
• Interfacial crystal Hall effect reversible by ferroelectric polarization
• Temperature dependence of the bulk Rashba splitting in the bismuth tellurohalides
• Analogs of Rashba-Edelstein effect from density functional theory
• Band splitting with vanishing spin polarizations in noncentrosymmetric crystals
• Tunable Giant Rashba-type Spin Splitting in PtSe${}_2$/MoSe${}_2$ Heterostructure
• Origin of Rashba spin-splitting and strain tunability in ferroelectric bulk CsPbF${}_3$
• Noncollinear electric dipoles in a polar, chiral phase of CsSnBr${}_3$ perovskite
• Chiral magnetism of magnetic adatoms generated by Rashba electrons
• Reversible giant out-of-plane Rashba effect in two-dimensional Ga$XY$ ($X$= Se, Te; $Y$= Cl, Br, I) compounds for persistent spin helix
• Rashba dominated spin-splitting in the bulk ferroelectric oxide perovskite KIO3
• Fe/GeTe(111) heterostructures as an avenue towards 'ferroelectric Rashba semiconductors'-based spintronics
• Nonreciprocal electrical transport in multiferroic semiconductor (Ge,Mn)Te
• Nonvolatile Electric Control of Antiferromagnet CrSBr
• Giant Rashba splitting of quasi-1D surface states on Bi/InAs(110)-(2$\times$1)
• Unveiling the complete dispersion of the giant Rashba split surface states of ferroelectric $\alpha$-GeTe(111) by alkali doping
• First-principles theory of giant Rashba-like spin-splitting in bulk ferroelectrics
• Giant Rashba splitting in PtTe/PtTe${}_2$ heterostructure
• Weyl node assisted conductivity switch in interfacial phase change memory with van der Waals interfaces
• Truncated unity functional renormalization group for multiband systems with spin-orbit coupling
• Tunable spin-valley coupling in layered polar Dirac metals
• Multigaps superconductivity at unconventional Lifshitz transition in a 3D Rashba heterostructure at atomic limit
• Gate-dependent non-linear Hall effect at room temperature in topological semimetal GeTe
• A Novel Ferroelectric Rashba Semiconductor
• Field-induced ultrafast modulation of Rashba coupling at room temperature in ferroelectric $\alpha$-GeTe(111)
• Reliable methods for seamless stitching of tight-binding models based on maximally localized Wannier functions
• A cascading nonlinear magneto-optical effect in topological insulators
• Anisotropy of transport in bulk Rashba metals
• Flux periodic oscillations and phase-coherent transport in GeTe nanowire-based devices
• Topological Phase Transition Coupled with Spin-Valley Physics in Ferroelectric Oxide Heterostructures
• Evidence for large Rashba splitting in PtPb4 from Angle-Resolved Photoemission Spectroscopy
• Impurity-induced orbital magnetization in a Rashba electron gas
• Reversible canted persistent spin textures with large spin splitting in two-dimensional ferroelectric bilayer WTe${}_2$
• Long-lived non-equilibrium superconductivity in a non-centrosymmetric Rashba semiconductor
• Reentrant proximity-induced superconductivity for GeTe semimetal
• A topological phase buried in a chalcogenide superlattice monitored by a helicity dependent Kerr measurement
• Strong and Weak Three-Dimensional Topological Insulators Probed by Surface Science Methods
• Probing embedded topological modes in bulk-like GeTe-Sb${}_2$Te${}_3$ heterostructures
• Chirality relaxation in low-temperature strongly Rashba-coupled systems
• Fermi level tuning of one-dimensional giant Rashba system on a semiconductor substrate: Bi/GaSb(110)-(2x1)
• Enhanced ferromagnetic transition temperature induced by a microscopic structural rearrangement in the diluted magnetic semiconductor Ge${}_{1-x}$Mn${}_x$Te
• Domain wall migration-mediated ferroelectric switching and Rashba effect tuning in GeTe thin films
• Conduction Band Structure and Ultrafast Dynamics of Ferroelectric $\alpha$-GeTe(111)
• Surface spin polarization in the magnetic response of GeTe Rashba ferroelectric
• Ultrafast modulation of covalency in GeTe driven by a ferroelectric soft mode
• Interfacial magnetic anisotropy from a 3-dimensional Rashba substrate
• Spin-valve effect for spin-polarized surface states in topological semimetals
• Electrical Control of Large Rashba Effect in Oxide Heterostructures
• Quantum geometry in low-energy linear and nonlinear optical responses of magnetic Rashba semiconductor (Ge,Mn)Te
• Direct band gap and strong Rashba effect in van der Waals heterostructures of InSe and Sb single layers