Piezoelectric surface acoustical phonon limited mobility of electrons in graphene on a GaAs substrate

Abstract

We study the mobility of Dirac fermions in monolayer graphene on a GaAs substrate, restricted by the combined action of the extrinsic potential of piezoelectric surface acoustical phonons of GaAs (PA) and of the intrinsic deformation potential of acoustical eigen-phonons in graphene (DA). In the high temperature ($T$) regime the momentum relaxation rate exhibits the same linear dependence on $T$ but different dependences on the carrier density $n$, corresponding to the mobility $\mu \propto 1/\sqrt{n}$ and $1/n$, respectively for the PA and DA scattering mechanisms. In the low $T$ Bloch-Grüneisen regime, the mobility shows the same square-root density dependence, $\mu \propto \sqrt{n}$, but different temperature dependences, $\mu \propto T^{-3}$ and $T^{-4}$, respectively for PA and DA phonon scattering.

arXiv comment3 figures

References in corpus (30)

• Electric Field Effect in Atomically Thin Carbon Films
• The electronic properties of graphene
• Two-Dimensional Gas of Massless Dirac Fermions in Graphene
• Electronic transport in two dimensional graphene
• Giant Intrinsic Carrier Mobilities in Graphene and Its Bilayer
• Suspended Graphene: a bridge to the Dirac point
• Intrinsic and Extrinsic Performance Limits of Graphene Devices on SiO2
• Charged Impurity Scattering in Graphene
• Atomic Structure of Graphene on SiO2
• Carrier transport in 2D graphene layers
• Temperature dependent transport in suspended graphene
• Measurement of Scattering Rate and Minimum Conductivity in Graphene
• Controlling electron-phonon interactions in graphene at ultra high carrier densities
• Acoustic phonon scattering limited carrier mobility in 2D extrinsic graphene
• Quantum Hall Ferromagnetism in Graphene
• Quantum transport of massless Dirac fermions in graphene
• Defect scattering in graphene
• Electronic transport in graphene: A semi-classical approach including midgap states
• Electron scattering on microscopic corrugations in graphene
• Multicomponent fractional quantum Hall effect in graphene
• Substrate limited electron dynamics in graphene
• Effect of high-k environment on charge carrier mobility in graphene
• Screening induced temperature dependent transport in 2D graphene
• The Deposition of High-Quality HfO2 on Graphene and the Effect of Remote Oxide Phonon Scattering
• Correlated charged impurity scattering in graphene
• Unraveling the acoustic electron-phonon interaction in graphene
• Theory of 2D transport in graphene for correlated disorder
• Chirality-dependent phonon-limited resistivity in multiple layers of graphene
• Precision quantization of Hall resistance in transferred graphene
• Surface acoustic wave attenuation by a two-dimensional electron gas in a strong magnetic field

Cited by in corpus (8)

• Acoustic phonon limited mobility in two-dimensional semiconductors: Deformation potential and piezoelectric scattering in monolayer MoS2 from first principles
• Magneto-optical conductivity of graphene on polar substrates
• Polaronic effects in monolayer black phosphorus on polar substrates
• Electron energy and temperature relaxation in graphene on a piezoelectric substrate
• Monitoring Mechanical Motion of Carbon Nanotube based Nanomotor by Optical Absorption Spectrum
• Effect of piezoelectric substrate on phonon-drag thermopower in monolayer graphene
• Electron-phonon vertex and its influence on the superconductivity of two-dimensional metals on a piezoelectric substrate
• Many-body effects in doped graphene on a piezoelectric substrate