Symmetry and spin dephasing in (110)-grown quantum wells

Abstract

Symmetry and spin dephasing of in (110)-grown GaAs quantum wells (QWs) are investigated applying magnetic field induced photogalvanic effect (MPGE) and time-resolved Kerr rotation. We show that MPGE provides a tool to probe the symmetry of (110)-grown quantum wells. The photocurrent is only observed for asymmetric structures but vanishes for symmetric QWs. Applying Kerr rotation we prove that in the latter case the spin relaxation time is maximal, therefore these structures set upper limit of spin dephasing in GaAs QWs. We also demonstrate that structure inversion asymmetry can be controllably tuned to zero by variation of delta-doping layer position.

arXiv comment4 pages, 4 figures

References in corpus (6)

• Rashba and Dresselhaus Spin-Splittings in Semiconductor Quantum Wells Measured by Spin Photocurrents
• Anomalous Spin Dephasing in (110) GaAs Quantum Wells: Anisotropy and Intersubband Effects
• High temperature gate control of quantum well spin memory
• Zero-bias spin separation
• Magneto-Gyrotropic Photogalvanic Effects in Semiconductor Quantum Wells
• Pure spin currents induced by spin-dependent scattering processes in SiGe quantum well structures

Cited by in corpus (34)

• Spin dynamics in semiconductors
• Persistent Spin Textures in Semiconductor Nanostructures
• Spin noise spectroscopy in GaAs (110) quantum wells: Access to intrinsic spin lifetimes and equilibrium electron dynamics
• Magneto-gyrotropic effects in semiconductor quantum wells (review)
• Gate-controlled spin-orbit interaction in a parabolic GaAs/AlGaAs quantum well
• Zero-bias spin separation
• Tuning of structure inversion asymmetry by the $\delta$-doping position in (001)-grown GaAs quantum wells
• Spin relaxation and combined resonance in two-dimensional electron systems with spin-orbit disorder
• Duality of the spin and density dynamics for two-dimensional electrons with a spin-orbit coupling
• Robust to impurity-scattering spin Hall effect in two-dimensional electron gas
• Spin dephasing and photoinduced spin diffusion in high-mobility 110-grown GaAs-AlGaAs two-dimensional electron systems
• Spin relaxation of conduction electrons in (110)-grown quantum wells
• Spin-polarized electric currents in diluted magnetic semiconductor heterostructures induced by terahertz and microwave radiation
• Spin relaxation in multiple (110) quantum wells
• Ultrafast supercontinuum fiber-laser based pump-probe scanning MOKE microscope for the investigation of electron spin dynamics in semiconductors at cryogenic temperatures with picosecond time and micrometer spatial resolution
• Magneto-gyrotropic photogalvanic effect and spin dephasing in (110)-grown GaAs/AlGaAs quantum well structures
• Spin relaxation due to random Rashba spin-orbit coupling in GaAs (110) quantum wells
• Cyclotron effect on coherent spin precession of two-dimensional electrons
• Growth Direction Dependence of the Electron Spin Dynamics in {111} GaAs Quantum Wells
• Gate-Control of Anisotropic Spin Transport and Spin Helix Dynamics in a Modulation-Doped GaAs Quantum Well
• Spin-orbit interaction and spin relaxation in a two-dimensional electron gas
• Spin and orbital mechanisms of the magneto-gyrotropic photogalvanic effects in GaAs/AlGaAs quantum well structures
• Spin polarized electric currents in semiconductor heterostructures induced by microwave radiation
• Ratchet transport of a two-dimensional electron gas at cyclotron resonance
• Effect of Dresselhaus spin-orbit coupling on spin dephasing in asymmetric and macroscopically symmetric (110)-grown quantum wells
• Nonlinear magneto-gyrotropic photogalvanic effect
• A virtual intersubband spin-flip spin-orbit coupling induced spin relaxation in GaAs (110) quantum wells
• Spin splitting of electron states in lattice-mismatched (110)-oriented quantum wells
• Magnetic Field Effect on Electron Spin Dynamics in (110) GaAs Quantum wells
• Weak localization in low-symmetry quantum wells
• Spin currents of exciton polaritons in a microcavity with (110)-oriented quantum well
• Electron spin dephasing in two-dimensional systems with anisotropic scattering
• Nonlinear spin Hall effect in GaAs (110) quantum wells
• Electron g-factor determined for quantum dot circuit fabricated from (110)-oriented GaAs quantum well