Observation of microwave-induced resistance oscillations in a high-mobility two-dimensional hole gas in a strained Ge/SiGe quantum well
Microwave-induced resistance oscillations (MIRO) have been extensively studied for more
than a decade but, until now, have remained unique to GaAs/AlGaAs-based 2D electron …
than a decade but, until now, have remained unique to GaAs/AlGaAs-based 2D electron …
Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly-and linearly-polarized photo-excitation
A comparative study of the radiation-induced magnetoresistance oscillations in the high
mobility GaAs/AlGaAs heterostructure two dimensional electron system (2DES) under …
mobility GaAs/AlGaAs heterostructure two dimensional electron system (2DES) under …
Combined study of microwave-power/linear-polarization dependence of the microwave-radiation-induced magnetoresistance oscillations in GaAs/AlGaAs devices
We report the results of a combined microwave polarization-dependence and power-
dependence study of the microwave-radiation-induced magnetoresistance oscillations in …
dependence study of the microwave-radiation-induced magnetoresistance oscillations in …
Microwave photoresistance in an ultra-high-quality GaAs quantum well
The temperature dependence of microwave-induced resistance oscillations (MIRO),
according to the theory, originates from electron-electron scattering. This scattering affects …
according to the theory, originates from electron-electron scattering. This scattering affects …
Magneto-transport characteristics of a 2D electron system driven to negative magneto-conductivity by microwave photoexcitation
Negative diagonal magneto-conductivity/resistivity is a spectacular-and thought provoking-
property of driven, far-from-equilibrium, low dimensional electronic systems. The physical …
property of driven, far-from-equilibrium, low dimensional electronic systems. The physical …
Terahertz photovoltaic detection of cyclotron resonance in the regime of radiation-induced magnetoresistance oscillations
We examine and compare the diagonal magnetoresistance, R xx, and the photovoltage
induced by microwave (42≤ f< 300 GHz) and terahertz (f≥ 300 GHz) photoexcitation in the …
induced by microwave (42≤ f< 300 GHz) and terahertz (f≥ 300 GHz) photoexcitation in the …
Relevance of weak and strong classical scattering for the giant negative magnetoresistance in two-dimensional electron gases
B Horn-Cosfeld, J Schluck, J Lammert, M Cerchez… - Physical Review B, 2021 - APS
The giant negative magnetoresistance (GNMR), observed in two-dimensional electron
gases of high mobility, is studied by controlled definition of additional short-range scatterers …
gases of high mobility, is studied by controlled definition of additional short-range scatterers …
Effect of high-frequency electric field on the electron magnetotransport in graphene
SV Kryuchkov - Physica B: Condensed Matter, 2014 - Elsevier
The effective spectrum of electron states in graphene in quantizing magnetic and high-
frequency electric fields is calculated. The presence of the high-frequency field is shown to …
frequency electric fields is calculated. The presence of the high-frequency field is shown to …
Radiation-assisted magnetotransport in two-dimensional electron gas systems: appearance of zero resistance states
A Yar, K Sabeeh - Journal of Physics: Condensed Matter, 2015 - iopscience.iop.org
Zero-resistance states (ZRS) are normally associated with superconducting and quantum
Hall phases. Experimental detection of ZRS in two-dimensional electron gas (2DEG) …
Hall phases. Experimental detection of ZRS in two-dimensional electron gas (2DEG) …
Strong transport anisotropy in Ge/SiGe quantum wells in tilted magnetic fields
We report on strong transport anisotropy in a two-dimensional hole gas in a Ge/SiGe
quantum well, which emerges only when both perpendicular and in-plane magnetic fields …
quantum well, which emerges only when both perpendicular and in-plane magnetic fields …