69 citations · 549 across the 27 of their papers we have counts for
27 papers
Composite fermions in a wide quantum well in the vicinity of the filling factor 1/2
I. L. Drichko, I. Yu. Smirnov, A. V. Suslov +5
Using acoustic method we study dependences of transverse AC conductance, , on magnetic field, temperature and the amplitude of AC electric field in a wide (75 nm) quantum wel…
Geometric Resonance of Four-Flux Composite Fermions
Md. Shafayat Hossain, Meng K. Ma, M. A. Mueed +6
Two-dimensional interacting electrons exposed to strong perpendicular magnetic fields generate emergent, exotic quasiparticles phenomenologically distinct from electrons. Specifica…
Electronic band structure in -type GaAs/AlGaAs wide quantum wells in tilted magnetic field
I. L. Drichko, I. Yu. Smirnov, A. V. Suslov +6
Oscillations of the real component of AC conductivity in a magnetic field were measured in the n-AlGaAs/GaAs structure with a wide (75 nm) quantum well by contactless acousti…
Intersubband scattering in n-GaAs/AlGaAs wide quantum wells
I. L. Drichko, I. Yu. Smirnov, M. O. Nestoklon +6
Slow magnetooscilations of the conductivity are observed in a 75 nm wide quantum well at heating of the two-dimensional electrons by a high-intensity surface acoustic wave. These m…
Design rules for modulation-doped AlAs quantum wells
Yoon Jang Chung, K. W. Baldwin, K. W. West +3
Thanks to their multi-valley, anisotropic, energy band structure, two-dimensional electron systems (2DESs) in modulation-doped AlAs quantum wells (QWs) provide a unique platform to…
Search for Composite Fermions at Filling Factor 5/2: Role of Landau Level and Subband Index
M. A. Mueed, D. Kamburov, Md. Shafayat Hossain +4
The pairing of composite fermions (CFs), electron-flux quasi-particles, is commonly proposed to explain the even-denominator fractional quantum Hall state observed at in th…
Interplay between Quantum Well Width and Interface Roughness for Electron Transport Mobility in GaAs Quantum Wells
D. Kamburov, K. W. Baldwin, K. W. West +2
We report transport mobility measurements for clean, two-dimensional (2D) electron systems confined to GaAs quantum wells (QWs), grown via molecular beam epitaxy, in two families o…
Geometric Resonance of Composite Fermions near Bilayer Quantum Hall States
M. A. Mueed, D. Kamburov, L. N. Pfeiffer +3
Via the application of parallel magnetic field, we induce a single-layer to bilayer transition in two-dimensional electron systems confined to wide GaAs quantum wells, and study th…
Anisotropic composite fermions and fractional quantum Hall effect
M. A. Mueed, D. Kamburov, S. Hasdemir +4
We study the role of anisotropy on the transport properties of composite fermions near Landau level filling factor in two-dimensional holes confined to a GaAs quantum well.…
Composite Fermion Geometric Resonance Near ν = 1/2 Fractional Quantum Hall State
M. A. Mueed, D. Kamburov, S. Hasdemir +4
We observe geometric resonance features of composite fermions on the flanks of the even denominator ν = 1/2 fractional quantum Hall state in high-mobility two-dimensional electron…
Fermi Contour Disintegration of Quasi-2D Electrons in Parallel Magnetic Fields
M. A. Mueed, D. Kamburov, M. Shayegan +4
In a quasi two-dimensional electron system with non-zero layer thickness, a parallel magnetic field (B||) can couple to the out-of-plane electron motion and lead to a severe distor…
Composite Fermions with a Warped Fermi Contour
M. A. Mueed, D. Kamburov, Yang Liu +5
Via measurements of commensurability features near Landau filling factor , we probe the shape of the Fermi contour for hole-flux composite fermions confined to a wide GaAs q…
Determination of the Fermi Contour and Spin-polarization of Composite Fermions via Ballistic Commensurability Measurements
D. Kamburov, M. A. Mueed, I. Jo +6
We report ballistic transport commensurability minima in the magnetoresistance of composite fermions (CFs). The CFs are formed in high-quality two-dimensional electron syst…
Fractional Quantum Hall Effect and Wigner Crystal of Two-Flux Composite Fermions
Yang Liu, D. Kamburov, S. Hasdemir +4
In two-dimensional electron systems confined to GaAs quantum wells, as a function of either tilting the sample in magnetic field or increasing density, we observe multiple transiti…
What Determines the Fermi Wave Vector of Composite Fermions?
D. Kamburov, Yang Liu, M. A. Mueed +4
Composite fermions (CFs), exotic particles formed by pairing an even number of flux quanta to each electron, provide a fascinating description of phenomena exhibited by interacting…
Even-denominator Fractional Quantum Hall Effect at a Landau Level Crossing
Yang Liu, S. Hasdemir, D. Kamburov +6
The fractional quantum Hall effect (FQHE), observed in two-dimensional (2D) charged particles at high magnetic fields, is one of the most fascinating, macroscopic manifestations of…
Fermi Contour Anisotropy of GaAs Electron-Flux Composite Fermions in Parallel Magnetic Fields
D. Kamburov, M. A. Mueed, M. Shayegan +5
In high-quality two-dimensional electrons confined to GaAs quantum wells, near Landau level filling factors 1/2 and 1/4, we observe signatures of the commensurability of the e…
Anisotropic Fermi Contour of (001) GaAs Electrons in Parallel Magnetic Fields
D. Kamburov, M. A. Mueed, M. Shayegan +5
We demonstrate a severe Fermi contour anisotropy induced by the application of a parallel magnetic field to high-mobility electrons confined to a 30-nm-wide (001) GaAs quantum well…
Composite Fermions with Tunable Fermi Contour Anisotropy
D. Kamburov, Yang Liu, M. Shayegan +3
The composite fermion formalism elegantly describes some of the most fascinating behaviours of interacting two-dimensional carriers at low temperatures and in strong perpendicular…
Anisotropic Fermi Contour of (001) GaAs Holes in Parallel Magnetic Fields
D. Kamburov, M. Shayegan, R. Winkler +3
We report a severe, spin-dependent, Fermi contour anisotropy induced by parallel magnetic field in a high-mobility (001) GaAs two-dimensional hole system. Employing commensurabilit…
Hole-flux Composite Fermion Commensurability Oscillations
D. Kamburov, M. Shayegan, L. N. Pfeiffer +2
We report the observation of commensurability oscillations of hole-flux composite fermions near filling factor in a high-mobility two-dimensional hole system confined to a…
Ballistic transport of (001) GaAs 2D holes through a strain-induced lateral superlattice
D. Kamburov, H. Shapourian, M. Shayegan +4
We report the observation of ballistic commensurability oscillations and positive magnetoresistance in a high-mobility, (001) GaAs two-dimensional hole system with a unidirectional…
Spin and charge distribution symmetry dependence of stripe phases in two-dimensional electron systems confined to wide quantum wells
Yang Liu, D. Kamburov, M. Shayegan +3
Measurements in clean two-dimensional electron systems confined to wide GaAs quantum wells in which two electric subbands are occupied reveal an unexpected rotation of the orientat…
Reentrant nu = 1 quantum Hall state in a two-dimensional hole system
A. L. Graninger, D. Kamburov, M. Shayegan +4
We report the observation of a reentrant quantum Hall state at the Landau level filling factor nu = 1 in a two-dimensional hole system confined to a 35-nm-wide (001) GaAs quantum w…