2.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR773 papers
- Université Grenoble AlpesFR325 papers
- Institut National des Sciences Appliquées de ToulouseFR210 papers
- Université Joseph FourierFR194 papers
- Université Toulouse III - Paul SabatierFR170 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR134 papers
- CEA GrenobleFR112 papers
- University of WarsawPL87 papers
- Institut NéelFR84 papers
- Charles UniversityCZ80 papers
- Institut Nanosciences et CryogénieFR53 papers
- Institut polytechnique de GrenobleFR48 papers
21 papers · 2 filters
Charge inhomogeneities and transport in semiconductor heterostructures with a manganese -layer
Vikram Tripathi, Kusum Dhochak, B. A. Aronzon +5
We study experimentally and theoretically the effects of disorder, nonlinear screening, and magnetism in semiconductor heterostructures containing a -layer of Mn, where the char…
Fine structure of "zero-mode" Landau levels in HgTe/HgCdTe quantum wells
M. Orlita, K. Masztalerz, C. Faugeras +5
HgTe/HgCdTe quantum wells with the inverted band structure have been probed using far infrared magneto-spectroscopy. Realistic calculations of Landau level diagrams have been perfo…
Thermally activated intersubband scattering and oscillating magnetoresistance in quantum wells
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
Experimental studies of magnetoresistance in high-mobility wide quantum wells reveal oscillations which appear with an increase in temperature to 10 K and whose period is close to…
Quantum Hall states under conditions of vanishing Zeeman energy
F. J. Teran, M. Potemski, D. K. Maude +4
We report on magneto-transport measurements of a two-dimensional electron gas confined in a CdMnTe quantum well structure under conditions of vanishing Zeeman e…
Bilayer graphene inclusions in rotational-stacked multilayer epitaxial graphene
M. Orlita, C. Faugeras, J. Borysiuk +8
Additional component in multi-layer epitaxial graphene grown on the C-terminated surface of SiC, which exhibits the characteristic electronic properties of a AB-stacked graphene bi…
Microwave zero-resistance states in a bilayer electron system
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
Magnetotransport measurements on a high-mobility electron bilayer system formed in a wide GaAs quantum well reveal vanishing dissipative resistance under continuous microwave irrad…
Quasi-classical cyclotron resonance of Dirac fermions in highly doped graphene
A. M. Witowski, M. Orlita, R. Stepniewski +6
Cyclotron resonance in highly doped graphene has been explored using infrared magnetotransmission. Contrary to previous work, which only focused on the magneto-optical properties o…
Brightening of dark excitons in a single quantum dot containing a single magnetic ion
M. Goryca, P. Plochocka, T. Kazimierczuk +5
A promising method to investigate dark exciton transitions in quantum dots is presented. The optical recombination of the dark exciton is allowed when the exciton state is coupled…
High magnetic field induced charge density waves and sign reversal of the Hall coefficient in graphite
Amit Kumar, Jean-Marie Poumirol, Walter Escoffier +3
We report on the investigation of magnetic field induced charge density wave and Hall coefficient sign reversal in a quasi-two dimensional electronic system of highly oriented pyro…
Fractional quantum Hall effect in CdTe
B. A. Piot, J. Kunc, M. Potemski +6
The fractional quantum Hall (FQH) effect is reported in a high mobility CdTe quantum well at mK temperatures. Fully-developed FQH states are observed at filling factor 4/3 and 5/3…
Quantum oscillations in the microwave magnetoabsorption of a 2D electron gas
O. M. Fedorych, M. Potemski, S. A. Studenikin +3
We report on the experimental observation of the quantum oscillations in microwave magnetoabsorption of a high-mobility two-dimensional electron gas induced by Landau quantization.…
Optical Probing of the Spin Polarization of the nu=5/2 Quantum Hall State
M. Stern, P. Plochocka, V. Umansky +3
We apply polarization resolved photoluminescence spectroscopy to measure the spin polarization of a two dimensional electron gas in perpendicular magnetic field. In the vicinity of…
Enhancement of the spin-gap in fully occupied two-dimensional Landau levels
J. Kunc, K. Kowalik, F. J. Teran +7
Polarization-resolved magneto-luminescence, together with simultaneous magneto-transport measurements, have been performed on a two-dimensional electron gas (2DEG) confined in CdTe…
Electron-hole coexistence in disordered graphene probed by high-field magneto-transport
J. M. Poumirol, W. Escoffier, A. Kumar +3
We report on magneto-transport measurement in disordered graphene under pulsed magnetic field of up to 57T. For large electron or hole doping, the system displays the expected anom…
Magnetic field induced transition in a wide parabolic well superimposed with superlattice
G. M. Gusev, Yu. A. Pusep, A. K. Bakarov +2
We study a parabolic quantum wells (PQW) with square superlattice. The magnetotransport in PQW with intentionally disordered short-period…
Quantum Hall effect near the charge neutrality point in two-dimensional electron-hole system
G. M. Gusev, E. B. Olshanetsky, Z. D. Kvon +3
We study the transport properties of -based quantum wells containing simultaneously electrons and holes in magnetic field B. At the charge neutrality point (CNP) with nearly…
Epitaxial Graphene Electronic Structure And Transport
Walt A. de Heer, Claire Berger, Xiaosong Wu +10
Since its inception in 2001, the science and technology of epitaxial graphene on hexagonal silicon carbide has matured into a major international effort and is poised to become the…
Thermal conductivity of graphene in Corbino membrane geometry
C. Faugeras, B. Faugeras, M. Orlita +3
Local laser excitation and temperature readout from the intensity ratio of Stokes to anti-Stokes Raman scattering signals are employed to study the thermal properties of a large gr…
Edge Magneto-Fingerprints in Disordered Graphene Nanoribbons
Jean-Marie Poumirol, Alessandro Cresti, Stephan Roche +6
We report on (magneto)-transport experiments in chemically derived narrow graphene nanoribbons under high magnetic fields (up to 60 Tesla). Evidences of field-dependent electronic…
Crossover between distinct mechanisms of microwave photoresistance in bilayer systems
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
We report on temperature-dependent magnetoresistance measurements in balanced double quantum wells exposed to microwave irradiation for various frequencies. We have found that the…
Effect of a magnetic field on the two-phonon Raman scattering in graphene
C. Faugeras, P. Kossacki, D. M. Basko +5
We have studied, both experimentally and theoretically, the change of the so-called 2D band of the Raman scattering spectrum of graphene (the two-phonon peak near 2700 cm-1) in an…