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19922026
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811 papers · 1 filter

cond-mat.mes-hall2025★ 1 cited

High and Magnetic-field-dependent Surface Carriers Mobility in 3D Topological Insulators without Bulk States

M. V. Pugachev, A. E. Borisov, A. V. Shupletsov +3

By applying the conventional two-liquid model to the magnetoresistivity tensor, we reveal a record-high carrier mobility for surface states in tetradymite topological insulators ($…

cond-mat.mes-hall2025

Three-dimensional magnetization textures as quaternionic functions

Konstantin L. Metlov, Andrei B. Bogatyrëv

Thanks to the recent progress in bulk full three-dimensional nanoscale magnetization distribution imaging, there is a growing interest to three-dimensional (3D) magnetization textu…

cond-mat.mes-hall2025★ 2 cited

Restriction of macroscopic structural superlubricity due to structure relaxation by the example of twisted graphene bilayer

Alexander S. Minkin, Irina V. Lebedeva, Andrey M. Popov +3

The effect of structure relaxation on the potential energy surface (PES) of interlayer interaction of twisted graphene bilayer is studied for a set of commensurate moiré systems us…

cond-mat.mes-hall2024

Strong negative magnetoresistance and hopping transport in graphenized nematic aerogels

V. I. Tsebro, E. G. Nikolaev, M. S. Kutuzov +2

The transport properties of nematic aerogels, which consist of oriented mullite nanofibers coated with a graphene shell, were studied. It is shown that the magnetoresistance of thi…

cond-mat.mes-hall2024★ 2 cited

Spin texture tunability in MnGeBiTe through varying Ge Concentration

A. M. Shikin, D. A. Estyunin, N. L. Zaitsev +10

The spin-resolved dispersion dependencies for the topological insulator MnGeBiTe in the path of the Brillouin zone were studied b…

cond-mat.mes-hall2024★ 1 cited

Fractional ac Josephson effect as evidence of topological hinge states in a Dirac semimetal NiTe2

D. Yu. Kazmin, V. D. Esin, A. V. Timonina +2

We experimentally investigate Josephson current between two 5~m spaced superconducting indium leads, coupled to a NiTe single crystal flake, which is a type-II Dirac semimet…

cond-mat.mes-hall2023★ 2 cited

Phonon topology and winding of spectral weight in graphite

N. D. Andriushin, A. S. Sukhanov, A. N. Korshunov +3

The topology of electronic and phonon band structures of graphene is well studied and known to exhibit a Dirac cone at the K point of the Brillouin zone. Here, we applied inelastic…

cond-mat.mes-hall2023★ 2 cited

Effect of dephasing on the current through a periodically driven quantum point contact

Igor Ermakov, Oleg Lychkovskiy

We consider two one-dimensional quantum magnets linked by a periodically driven quantum point contact (QPC). If magnets are initially polarized in opposite directions, one exp…

cond-mat.mes-hall2023★ 1 cited

Energy spectrum of valence band in HgTe quantum wells on the way from a two to the three dimensional topological insulator

G. M. Minkov, O. E. Rut, A. A. Sherstobitov +3

The magnetic field, temperature dependence and the Hall effect have been measured in order to determine the energy spectrum of the valence band in HgTe quantum wells with the width…

cond-mat.mes-hall2023★ 3 cited

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…

cond-mat.mes-hall2023★ 8 cited

Formation of droplets of the order parameter and superconductivity in inhomogeneous Fermi-Bose mixtures (Brief review)

M. Yu. Kagan, S. V. Aksenov, A. V. Turlapov +6

The studies of a number of systems treated in terms of an inhomogeneous (spatially separated) Fermi-Bose mixture with superconducting clusters or droplets of the order parameter in…

cond-mat.mes-hall2023★ 7 cited

Transport properties of a 1000-nm HgTe film: the interplay of surface and bulk carriers

M. L. Savchenko, D. A. Kozlov, N. N. Mikhailov +2

We report on systematic study of transport properties of a 1000-nm HgTe film. Unlike to thinner and strained HgTe films, which are known as high-quality three-dimensional (3D) topo…

cond-mat.mes-hall2023★ 3 cited

Topological magnetic memory with multiply-connected planar magnetic nanoelements

Konstantin L. Metlov

A coding scheme is introduced, allowing to store a set of linked bit strings in planar magnetic nanoelements with holes. Analytical expressions for the corresponding magnetization…

cond-mat.mes-hall2023★ 16 cited

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…

cond-mat.mes-hall2022

Spectral maximum in the terahertz photoconductance of a quantum point contact

D. M. Kazantsev, V. L. Alperovich, V. A. Tkachenko +1

The disappearance of the giant terahertz photoconductance of a quantum point contact under the increase in the photon energy, which was discovered experimentally (Otteneder et al.,…

cond-mat.mes-hall2022★ 5 cited

Valley spin-acoustic resonance in MoS monolayers

K. Sonowal, D. V. Boev, A. V. Kalameitsev +2

The band structure of a monolayer MoS comprises of spin-split subbands, owing to the mutual presence of broken inversion symmetry and strong spin-orbit coupling. In the conduct…

cond-mat.mes-hall2022★ 2 cited

Optical properties of graphane in infrared range

E. I. Preobrazhensky, I. V. Oladyshkin, M. D. Tokman

The theory of optical effects in hydrogenated graphene (graphane) in terahertz and infrared range is developed, including the analysis of complex conductivity, reflection coefficie…

cond-mat.mes-hall2022★ 4 cited

Charge-separated electron-hole liquid in transition metal dichalcogenide heterostructures

Pavel V. Ratnikov

The possibility of the formation of an electron-hole liquid in the type II heterostructures based on monolayers (bilayers) of transition metal dichalcogenides is considered. It is…

cond-mat.mes-hall2022★ 19 cited

Fluorinated graphene films with graphene quantum dots for electronic applications

I. V. Antonova, N. A. Nebogatikova, V. Ya. Prinz

This work analyzes carrier transport, the relaxation of non-equilibrium charge, and the electronic structure of fluorinated graphene (FG) films with graphene quantum dots (GQDs). T…

cond-mat.mes-hall2022

Activated hopping transport in nematic conducting aerogel at low temperatures

V. I. Tsebro, E. G. Nikolaev, L. B. Lugansky +4

The transport properties of nematic aerogels, which consist of highly oriented AlOSiO nanofibers coated with a graphene shell with a large number of defects, are s…

cond-mat.mes-hall2022★ 6 cited

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…

cond-mat.mes-hall2022★ 8 cited

Friction and mobility of carbon nanoparticles on a graphene sheet

Alexander V. Savin

It is shown using the method of molecular dynamics that the motion of carbon nanoparticles (rectangular graphene flakes, spherical fullerenes of size nm) on the surface of a…

cond-mat.mes-hall2021★ 42 cited

Acoustically Induced Giant Synthetic Hall Voltages in Graphene

Pai Zhao, Chithra H. Sharma, Renrong Liang +7

Any departure from graphene's flatness leads to the emergence of artificial gauge fields that act on the motion of the Dirac fermions through an associated pseudomagnetic field. He…

cond-mat.mes-hall2021★ 14 cited

Long-lived Andreev states as evidence for protected hinge modes in a bismuth nanoring Josephson junction

A. Bernard, Y. Peng, A. Kasumov +9

Second-order topological insulators are characterized by helical, non-spin-degenerate, one-dimensional states running along opposite crystal hinges, with no backscattering. Injecti…