Frequency quenching of microwave induced resistance oscillations in a high mobility two-dimensional electron gas

Abstract

The frequency dependence of microwave-induced resistance oscillations (MIROs) has been studied experimentally in high-mobility electron GaAs/AlGaAs structures to explore the limits at which these oscillations can be observed. It is found that in dc transport experiments at frequencies above 120 GHz, MIROs start to quench, while above 230 GHz, they completely disappear. The results will need to be understood theoretically but are qualitatively discussed within a model in which forced electronic charge oscillations (plasmons) play an intermediate role in the interaction process between the radiation and the single-particle electron excitations between Landau levels.

final version: total 13 pages including 6 figures (6 pages in journal format)

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• Theory of the microwave induced zero resistance states in two-dimensional electron systems
• Observation of linear-polarization-sensitivity in the microwave-radiation-induced magnetoresistance oscillations
• Giant microwave photoresistivity in a high-mobility quantum Hall system
• Phase study of oscillatory resistances in microwave-irradiated- and dark- GaAs/AlGaAs devices: Indications of a new class of integral quantum Hall effect
• Role of electron-electron interactions in nonlinear transport in 2D electron systems
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• Non-linear magnetotransport in microwave-illuminated two-dimensional electron systems
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• Quantum oscillations in the microwave magnetoabsorption of a 2D electron gas
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• Microwave Photoresistance in dc-driven 2D Systems at Cyclotron Resonance Subharmonics
• Nonlinear resistance of 2D electrons in crossed electric and magnetic fields
• Zero differential resistance in two-dimensional electron systems at large filling factors
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• Effect of a in-plane magnetic field on the microwave assisted magnetotransport in a two-dimensional electron system
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• Magneto-transport characteristics of a 2D electron system driven to negative magneto-conductivity by microwave photoexcitation
• Multiphoton microwave photoresistance in a high-mobility two-dimensional electron gas
• Theory of the microwave-induced photocurrent and photovoltage magnetooscillations in a spatially non-uniform 2D electron gas
• Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly- and linearly- polarized photo-excitation
• Quantum lifetime of 2D electron in magnetic field
• Microwave-induced resistance oscillations in tilted magnetic fields
• Microwave photoresistance in a two-dimensional electron gas with separated Landau levels
• Non-linear response of a high mobility two-dimensional electron system near the second harmonic of the cyclotron resonance
• On the (circular) polarization-independence of microwave-induced resistance oscillations and zero resistance state
• High order fractional microwave induced resistance oscillations in 2D systems
• Phase of phonon-induced resistance oscillations in a high-mobility two-dimensional electron gas
• Microwave Photoresistance in an Ultrahigh Quality GaAs Quantum Well
• Magnetoplasmon resonance in 2D electron system driven into a zero-resistance state
• Nonlinear response in overlapping and separated Landau levels of GaAs quantum wells
• Radiation-assisted magnetotransport in two-dimensional electron gas systems: appearance of zero resistance states
• Quantum oscillations of dissipative resistance in crossed electric and magnetic fields
• Resistively detected high-order magnetoplasmons in a high-quality 2D electron gas
• Highly correlated two-dimensional viscous electron fluid in moderate magnetic fields
• Fermi Liquid Model of Radiation Induced Magnetoresistance Oscillations in GaAs/Al${}_x$Ga${}_{1-x}$As Heterostructure Two-Dimensional Electron System: Theoretical Evidence of an Electron Reservoir
• Microwave-induced zero-resistance states in a high-mobility two-subband electron system
• Frequency-dependent polarization-angle-phase-shift in the microwave-induced magnetoresistance oscillations