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Article
Condensates of the Magnetoexcitations in Quantum Hall Dielectrics
A high-resolution large-aperture optical system is used to visualize the formation and spreading in real space of dense photoexcitation ensembles in integer and fractional quantum Hall dielectrics at filling f...
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Article
Spin Transport in the Bulk of a Hall Dielectric
The spatial spread of a dense ensemble of spin cyclotron magnetoexcitons in a quantum Hall dielectric with a filling factor of ν = 2 (the integer quantum Hall effect state) is visualized using a high-aperture ...
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Article
Open AccessSpatial Spreading of the Condensate of Magnetoexcitons in a Quantum Hall Insulator
The spatial spreading of a dense ensemble of spin cyclotron magnetoexcitons in a quantum Hall insulator at the filling factor ν = 2 is visualized using an optical system with a high aperture ratio. It is found...
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Article
Magnetoexciton Condensate in a Hall Dielectric
A review of experimental studies of the properties of a recently discovered new coherent collective state, a magnetoexciton condensate, is presented. Condensation occurs at temperatures below 1 K in a Fermi sy...
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Article
Coherent Properties of a Magnetoexciton Condensate in a Hall Dielectric
Shear interferometry is used to study the coherent properties of a dense ensemble of triplet cyclotron magnetoexcitons in a quantum Hall dielectric near a filling factor of
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Article
Coherence of a Magnetoexciton Condensate in a Quantum Hall Insulator
The coherent properties of a dense ensemble of triplet cyclotron magnetoexcitons in a quantum Hall insulator near the filling factor $$\nu = 2...
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Article
Thermalization of Triplet Magneto-Excitons and Spin Transport in a Hall Dielectric
It is found that the thermalization of triplet spin-flip magneto-excitons in a quantum Hall dielectric is an unprecedentedly long process for translation-invariant nonequilibrium electronic systems. It is show...
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Article
Thermalization and Transport in Dense Ensembles of Triplet Magnetoexcitons
In a dilute gas of triplet magnetoexcitons, complete thermalization does not occur because the energy and momentum cannot be conserved simultaneously. Relaxation to the lowest energy state becomes possible owi...
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Article
Digital Control of Electrically Welded Pipe Manufacturing Technology in a Tesa 20–102 Mill
In order to manufacture hot-reduced pipe from welded pipe billets in a continuous stretch-reducing mill (SRM) 20–102 coiled hot-rolled product is used of normal precision with respect to thickness, specified i...
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Article
Application of Wavelet Transform to the Raman 2D Peak Components Analysis for Tri- and Tetralayer Graphene
In this paper we have proposed a wavelet-based approach to study peak components fitting to the Raman 2D band of few layer graphene. As a result of the Continuous Wavelet Transform application peak components of ...
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Article
Open AccessAuthor Correction: Long-range non-diffusive spin transfer in a Hall insulator
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
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Article
Theoretical and Experimental Study of Non-Steady-State Pipe Reduction Process Using a Tesa 20-102 Mill
We describe the results of an experimental study of longitudinal and transverse variations in wall thickness at the ends of pipes after rolling in a stretch-reducing mill (SRM). We found that the largest “cont...
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Article
Two-Dimensional Triplet Magnetoexcitons and a Magnetofermionic Condensate in the GaAs/AlGaAs Heterostructures
A fundamentally new collective state, namely, the magnetofermionic condensate, is discovered during photoexcitation of a sufficiently dense gas of long-lived triplet cyclotron magnetoexcitons in a twodimension...
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Article
Open AccessLong-range non-diffusive spin transfer in a Hall insulator
We report on optical visualization of spin propagation more than 100 µm. We present an electronic system in a new state of aggregation, the magnetofermionic condensate, in which the lowest-energy spin excitati...
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Article
Chemical Vapor Deposition Synthesis of Large-Area Graphene Films
Graphene films were synthesized with the method of chemical vapor deposition using gaseous methane as the source of carbon and copper foil as the substrate for the deposition. The following conditions were fou...
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Article
Long-Lived Magnetoexcitons and Two-Dimensional Magnetofermionic Condensate in GaAs/AlGaAs Heterostructure
Excitation of long-lived triplet magnetoexcitons in a Hall insulator (filling factor ν = 2) with a high mobility of electrons, at low temperatures, Т < 1 K, enabled to discover a new collective state − magnetofer...
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Article
Graphene/Silicon Photodiode Prepared via Lamination and Its Properties
A simple technology is proposed for preparing a graphene/silicon photodiode with a Schottky barrier. CVD graphene is transferred to a polymer substrate via lamination. The polymer film with graphene is then gl...
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Article
Detection of spin excitation transfer in a two-dimensional electron system via photoluminescence of multiparticle exciton complexes
The possibility of creating dense ensembles of spin excitons, transferring them to macroscopic distances on the order of hundreds of microns, and recording the appearance of these excitons in the region spatia...
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Article
Modification of thermally reduced graphene oxide by the SF6/Ar plasma treatment
The effect of SF6/Ar plasma on the properties of partially thermally reduced graphene oxide (GO) was studied by Raman spectroscopy, scanning electron microscopy, X-ray energy dispersive spectroscopy, and the curr...
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Article
Preparation of transparent conducting films from CVD graphene by lamination and their characterization
In this work we use the method of direct transfer of graphene grown by chemical vapor deposition (CVD) onto a transparent polymer substrate for obtaining a transparent conducting (TC) film. In order to impleme...
