Kazan state Federal University E-Archive :: Browsing by Author "Lysogorskiy Y."

Ab initio simulation of effects of structural singularities in aerogel absorption potential

Debras C.; Tayurskii D.; Minisini B.; Lysogorskiy Y. (2011)

In the present work simulation of Van der Waals potential between helium atom and part of silica aerogel strand by means of ab initio methods was performed. Cell with alpha quartz structure was used as building block of ...

Ab Initio Study of Deformation Influence on the Electronic Properties of Graphene Structures Containing One-Dimensional Topological Defects

Valishina A.; Lysogorskiy Y.; Nedopekin O.; Tayurskii D. (2016)

© 2016, Springer Science+Business Media New York.The band structures of single and bilayer graphene with one-dimensional topological defects were calculated along the defect line, and appearance of the flat band near the ...

Ab initio studying of topological insulator Bi2Se3 under the stress

Lysogorskiy Y.; Kijamov A.; Nedopekin O.; Tayurskii D. (2012)

A topological insulator is an unusual state of quantum matter which, while being an insulator in the bulk, has topologically protected electronic states at the surface. These states could be used in different applications, ...

Ab-initio investigation of spin states of sodium cobaltate Na 2/3CoO2

Lysogorskiy Y.; Nedopekin O.; Krivenko S.; Minisini B.; Tayurskii D. (2012)

Resent experiments in the lamellar system NaxCoO2 detected a transition of Co planes into a puzzling metallic state at x ≥ 2/3, which co-exists with a robust arrangement of the 3d cobalt electrons: The triangular Co lattices ...

Adsorption of Helium Atoms on Two-Dimensional Substrates

Burganova R.; Lysogorskiy Y.; Nedopekin O.; Tayurskii D. (2016)

© 2016 Springer Science+Business Media New York The study of the adsorption phenomenon of helium began many decades ago with the discovery of graphite as a homogeneous substrate for the investigation of physically adsorbed ...

Adsorption of Helium Atoms on Two-Dimensional Substrates

Burganova R.; Lysogorskiy Y.; Nedopekin O.; Tayurskii D. (2016)

© 2016, Springer Science+Business Media New York.The study of the adsorption phenomenon of helium began many decades ago with the discovery of graphite as a homogeneous substrate for the investigation of physically adsorbed ...

Analysis of Electronic and Structural Properties of Surfaces and Interfaces Based on LaAlO <inf>3</inf> and SrTiO <inf>3</inf>

Piyanzina I.; Lysogorskiy Y.; Varlamova I.; Kiiamov A.; Kopp T.; Eyert V.; Nedopekin O.; Tayurskii D. (2016)

© 2016, Springer Science+Business Media New York.Recently, it was established that a two-dimensional electron system can arise at the interface between two oxide insulators LaAlO3 and SrTiO3. This paradigmatic example ...

Analysis of Electronic and Structural Properties of Surfaces and Interfaces Based on LaAlO3 and SrTiO3

Piyanzina I.; Lysogorskiy Y.; Varlamova I.; Kiiamov A.; Kopp T.; Eyert V.; Nedopekin O.; Tayurskii D. (2016)

© 2016 Springer Science+Business Media New York Recently, it was established that a two-dimensional electron system can arise at the interface between two oxide insulators LaAlO(Formula presented.) and SrTiO(Formula ...

Density functional theory simulation of liquid helium-4 in aerogel

Lysogorskiy Y.; Tayurskii D. (2013)

The distribution of liquid 4He in different types of confinements-adsorbing and nonadsorbing aerogel on the basis of silicon dioxide SiO2 and an absorbing homogeneous strand-has been studied using the density functional ...

Electronic properties of LaAlO<inf>3</inf>/SrTiO<inf>3</inf> n-type interfaces: A GGA+U study

Piyanzina I.; Kopp T.; Lysogorskiy Y.; Tayurskii D.; Eyert V. (2017)

© 2017 IOP Publishing Ltd. Printed in the UK.LaAlO3/SrTiO3 heterostructures as covered by the on-site Coulomb repulsion within the GGA U approach is investigated. Performing a systematic variation of the values of the ...

Experimental evidence for the existence of interfaces in graphite and their relation to the observed metallic and superconducting behavior

Esquinazi P.; Lysogorskiy Y. (2016)

© Springer International Publishing Switzerland 2016.This chapter reviews the experimental evidence obtained for the existence of embedded interfaces between crystalline regions with Bernal and/or rhombohedral stacking ...

Initial steps in reactions of aquathermolysis of cyclohexyl phenyl sulfide by means of ab initio calculations

Lysogorskiy Y.; Aminova R.; Tayurskii D. (2016)

© 2016 Elsevier B.V.Aquathermolysis is often proposed as a method to reduce the viscosity of heavy oils. In the present work we have investigated the aquathermolysis reaction of cyclohexyl phenyl sulfide in water medium ...

Modelling of Quasi-1D Wigner Solid Melting in a Parabolic Confinement

Zakharov M.; Beysengulov N.; Lysogorskiy Y.; Tayurskii D. (2019)

© 2019, Pleiades Publishing, Inc. A computer modelling of a quasi-one dimensional (q1D) Coulomb crystal in a parabolic confinement was carried out using molecular dynamics. The melting transition was investigated and ...

Mössbauer spectroscopy evidence of intrinsic non-stoichiometry in iron telluride single crystals

Kiiamov A.; Lysogorskiy Y.; Vagizov F.; Tagirov L.; Tayurskii D.; Croitori D.; Tsurkan V.; Loidl A. (2017)

© 2016 by WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimThe FeTe parent compound for iron-superconductor chalcogenides was studied applying Mössbauer spectroscopy accompanied by ab initio calculations of electric field gradients ...

On the superconductivity of graphite interfaces

Esquinazi P.; Heikkilä T.; Lysogorskiy Y.; Tayurskii D.; Volovik G. (2014)

© 2014, Pleiades Publishing, Inc. We propose an explanation for the appearance of superconductivity at the interfaces of graphite with Bernal stacking order. A network of line defects with flat bands appears at the interfaces ...

Origin of electron disproportionation in metallic sodium cobaltates

Lysogorskiy Y.; Krivenko S.; Mukhamedshin I.; Nedopekin O.; Tayurskii D. (2016)

© 2016 American Physical Society.Recently, an unusual metallic state with a substantially nonuniform distribution of the charge and magnetic density in CoO2 planes was found experimentally in the NaxCoO2 compound with ...

Oxygen vacancies and hydrogen doping in LaAlO<inf>3</inf>/SrTiO<inf>3</inf> heterostructures: Electronic properties and impact on surface and interface reconstruction

Piyanzina I.; Eyert V.; Lysogorskiy Y.; Tayurskii D.; Kopp T. (2019)

© 2019 IOP Publishing Ltd Printed in the UK. We investigate the effect of oxygen vacancies and hydrogen dopants at the surface and inside slabs of LaAlO3, SrTiO3, and LaAlO3/SrTiO3 heterostructures on the electronic ...

Prediction of thermodynamic properties of natural gases using Monte Carlo simulations

Piyanzina I.; Lysogorskiy Y.; Nedopekin O. (2012)

In this paper an applications of Monte-Carlo simulation in natural gas production is presented. We have investigated model of natural gas of the Bavlinskoye deposit located in the southeast of the Republic of Tatarstan. ...

Quantum fluids in nanoporous media-Effects of the confinement and fractal geometry

Tayurskii D.; Lysogorskiy Y. (2011)

The complex behavior of such quantum fluids like liquid 4He and liquid 3He in nanoporous media is determined by spatial quantization because of geometrical confinement as well as by significant contribution from the surface ...

Structural Transitions in a Quasi-1D Wigner Solid on Liquid Helium

Beysengulov N.; Rees D.; Lysogorskiy Y.; Galiullin N.; Vazjukov A.; Tayurskii D.; Kono K. (2016)

© 2015, Springer Science+Business Media New York.We present a detailed study of structural transitions of an electron system on liquid helium in quasi-1D confinement geometry. The structural transitions are experimentally ...

Browsing by Author "Lysogorskiy Y."

Browsing by Author "Lysogorskiy Y."

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