53 citations · 434 across the 33 of their papers we have counts for
32 papers
Universal transparency and fine band structure near the Dirac point in HgTe quantum wells
V. Dziom, A. Shuvaev, J. Gospodaric +6
Spin-orbit coupling in thin HgTe quantum wells results in a relativistic-like electron band structure, making it a versatile solid state platform to observe and control non-trivial…
Gate tunable terahertz cyclotron emission from two-dimensional Dirac fermions
B. Benhamou-Bui, C. Consejo, S. S. Krishtopenko +15
Two-dimensional Dirac fermions in HgTe quantum wells close to the topological phase transition can generate significant cyclotron emission that is magnetic field tunable in the Ter…
Terahertz cyclotron emission from two-dimensional Dirac fermions
S. Gebert, C. Consejo, S. S. Krishtopenko +13
Since the emergence of graphene, we have seen several proposals for the realization of Landau lasers tunable over the terahertz frequency range. The hope was that the non-equidista…
Quantum oscillations of transport coefficients and capacitance: an unexpected manifestation of the spin-Hall effect
G. M. Minkov, O. E. Rut, A. A. Sherstobitov +3
The results of systematic experimental studies of quantum oscillations of resistivity, Hall coefficient and capacitance in GaAs and InGaAs quantum wells (QWs) with a si…
Scattering anisotropy in HgTe (013) quantum well
D. A. Khudaiberdiev, M. L. Savchenko, D. A. Kozlov +2
We report on a detailed experimental study of the electron transport anisotropy in HgTe (013) quantum well of 22 nm width in the directions and as the functio…
THz ratchet effect in HgTe interdigitated structures
I. Yahniuk, G. V. Budkin, A. Kazakov +9
The emergence of ratchet effects in two-dimensional materials is strongly correlated with the introduction of asymmetry into the system. In general, dual-grating-gate structures fo…
Transformation of an energy spectrum and wave functions in the crossover from two- to three-dimensional topological insulator in HgTe quantum wells: long and thorny way
G. M. Minkov, V. Ya. Aleshkin, O. E. Rut +4
A magnetotransport and quantum capacitance of the two-dimensional electron gas in HgTe/CdHgTe quantum wells of a width ()~nm are experimentally investigated.…
Engineering topological phases in triple HgTe/CdTe quantum wells
G. J. Ferreira, D. R. Candido, F. G. G. Hernandez +4
Quantum wells formed by layers of HgTe between HgCdTe barriers lead to two-dimensional (2D) topological insulators, as predicted by the BHZ model. Here, we theoreticall…
Transport through the network of topological channels in HgTe based quantum well
G. M. Gusev, Z. D. Kvon, D. A. Kozlov +3
Topological insulators represent a new quantum state of matter which is characterized by edge or surface states and an insulating band gap in the bulk. In a two dimensional (2D) sy…
HgTe quantum wells for QHE metrology under soft cryomagnetic conditions: permanent magnets and liquid temperatures
I. Yahniuk, A. Kazakov, B. Jouault +11
HgTe quantum wells with a thickness of 7 nm may have a graphene-like band structure and have been recently proposed to be potential candidates for quantum Hall effect (QHE)…
-periodic supercurrent tuned by an axial magnetic flux in topological insulator nanowires
Ralf Fischer, Jordi Picó-Cortés, Wolfgang Himmler +7
Topological insulator (TI) nanowires in proximity with conventional superconductors have been proposed as a tunable platform to realize topological superconductivity and Majorana z…
Energy spectrum of semimetallic HgTe quantum wells
Jan Gospodaric, Alexey Shuvaev, Nikolai N. Mikhailov +3
Quantum wells (QWs) based on mercury telluride (HgTe) thin films provide a large scale of unusual physical properties starting from an insulator via a two-dimensional Dirac semimet…
Magnetohydrodynamics and electro-electron interaction of massless Dirac fermions
D. A. Khudaiberdiev, G. M. Gusev, E. B. Olshanetsky +2
The magnetotransport properties of massless Dirac fermions in a gapless HgTe quantum well are investigated. In samples with narrow channels, a large negative magnetoresistance with…
Many-particle effects in optical transitions from zero-mode Landau levels in HgTe quantum wells
S. S. Krishtopenko, A. M. Kadykov, S. Gebert +9
We report on the far-infrared magnetospectroscopy of HgTe quantum wells with inverted band ordering at different electron concentrations. We particularly focus on optical transitio…
Aniotropy of in-plane g-factor of electrons in HgTe quantum wells
G. M. Minkov, V. Ya. Aleshkin, O. E. Rut +4
The results of experimental studies of the Shubnikov-de Haas (SdH) efect in the (013)-HgTe/HgCdTe quantum wells (QWs) of electron type of conductivity both with normal…
Density of states measurements for heavy subband of holes in HgTe quantum wells
A. Yu. Kuntsevich, G. M. Minkov, A. A. Sherstobitov +3
Valence band in narrow HgTe quantum wells contains well-conductive Dirac-like light holes at the point and poorly conductive heavy hole subband located in the local valleys. He…
Thermopower of a Two-Dimensional Semimetal in a HgTe Quantum Well
E. B. Olshanetsky, Z. D. Kvon, M. V. Entin +4
The thermopower in a two-dimensional semimetal existing in HgTe quantum wells 18-21 nm thick has been studied experimentally and theoretically for the first time. It has been found…
Spin-orbit splitting of the conduction band in HgTe quantum wells: role of different mechanisms
G. M. Minkov, V. Ya. Aleshkin, O. E. Rut +4
Spin-orbit splitting of conduction band in HgTe quantum wells was studied experimentally. In order to recognize the role of different mechanisms, we carried out detailed measuremen…
Renormalization of the conduction band spectrum in HgTe quantum wells by electron-electron interaction
G. M. Minkov, V. Ya. Aleshkin, O. E. Rut +4
The energy spectrum of the conduction band in HgTe/CdHgTe quantum wells of a width nm has been experimentally studied in a wide range of electron density…
Terahertz detection of magnetic field-driven topological phase transition in HgTe-based transistors
A. Kadykov, F. Teppe, C. Consejo +12
We report on Terahertz detection by inverted band structure HgTe-based Field Effect Transistor up to room temperature. At low temperature, we show that nonlinearities of the transi…
Dynamical screening function and plasmons in the wide HgTe quantum wells at high temperatures
Evgen O. Melezhik, Fiodor F. Sizov, Nikolai N. Mikhailov +1
Dynamical screening function of the two-dimensional electron gas in wide HgTe quantum well (QW) has been numerically modelled in this work. Calculations were provided in the Random…
Landau level spectroscopy of valence bands in HgTe quantum wells: Effects of symmetry lowering
L. S. Bovkun, A. V. Ikonnikov, V. Ya. Aleshkin +8
Landau level spectroscopy has been employed to probe the electronic structure of the valence band in a series of p-type HgTe/HgCdTe quantum wells with both normal and inverted orde…
The valence band energy spectrum of HgTe quantum wells with inverted band structures
G. M. Minkov, V. Ya. Aleshkin, O. E. Rut +4
The energy spectrum of the valence band in HgTe/CdHgTe quantum wells with a width ~nm has been studied experimentally by magnetotransport effects and theoretica…
Zeeman splitting of conduction band in HgTe quantum wells near the Dirac point
G. M. Minkov, O. E. Rut, A. A. Sherstobitov +2
The Zeeman splitting of the conduction band in the HgTe quantum wells both with normal and inverted spectrum has been studied experimentally in a wide electron density range. The s…