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  1. No Access

    Article

    Polarimetric Standards: Calibration and Variability

    We present the results of an analysis of a homogeneous 15-year series of measurements of polarimetric standards obtained using the 2.6-m Shajn telescope of the Crimean Astrophysical Observatory Research Instit...

    S. V. Kolesnikov, V. V. Breus, I. L. Andronov in Kinematics and Physics of Celestial Bodies (2023)

  2. No Access

    Article

    Characteristics of ZnS(Ag) + 6LiF Scintillator-Based Detector Used as a Neutron Dosimeter

    The signal characteristics of a ZnS(Ag) + 6LiF scintillator-based detector were investigated. The amplitude and width of the pulses from slow neutrons and electrons 90Sr–90Y were measured on a test bench. The par...

    S. V. Kolesnikov, A. P. Denisenko, E. V. Ryabeva in Atomic Energy (2023)

  3. No Access

    Article

    Growth of the Pt/Cu Dendrites on Stepped Cu(111) Surface

    The formation of Pt/Cu clusters on a stepped Cu(111) surface has been theoretically investigated using the self-learning kinetic Monte Carlo method. It has been shown that by varying Pt/Cu cluster growth condi...

    S. A. Dokukin, S. V. Kolesnikov… in Journal of Experimental and Theoretical Ph… (2022)

  4. No Access

    Article

    Effect of a Dipole–Dipole Interaction on the Time of Magnetization Reversal of Finite-Length Atomic Chains

    The magnetization reversal of atomic chains on metal surfaces has been theoretically studied using the analytical method developed earlier and the geodesic nudged elastic band method. The atomic chains can be ...

    S. V. Kolesnikov, E. S. Sapronova in Journal of Experimental and Theoretical Physics (2022)

  5. No Access

    Article

    Two growth modes of nanostructures near Cu(111) step edges in CoCu and PtCu surface alloys

    The formation of CoCu and PtCu alloys on the stepped Cu(111) substrate was simulated. Dendritic and finger-like protrusions grow near the edges of the steps. The shape and the internal structure of the protrus...

    S. A. Dokukin, S. V. Kolesnikov, A. M. Saletsky in The European Physical Journal B (2022)

  6. No Access

    Article

    Study of Pt–Cu Nanocontact Formation Processes during the Indentation of a Scanning Tunneling Microscope Tip into a Pt/Cu Surface Alloy by Computer Simulations

    The formation of nanocontacts during the indentation of a scanning tunneling microscope (STM) tip into a Pt/Cu surface alloy has been studied by the molecular dynamics method. It has been established that the ...

    S. A. Dokukin, S. V. Kolesnikov… in Journal of Experimental and Theoretical Ph… (2021)

  7. No Access

    Article

    Formation of Cu–Pt nanocontacts in STM breaking junction simulations: MD simulations and one-dimensional diffusion model

    In this paper, we propose a new theoretical approach that combines classical MD method and a one-dimensional diffusion model. We have shown that our approach allows to extrapolate the results of MD simulations...

    S. A. Dokukin, S. V. Kolesnikov, A. M. Saletsky in The European Physical Journal B (2021)

  8. No Access

    Article

    Molecular Dynamics Simulation of Elongation of Copper–Platinum Nanocontacts

    The formation of nanocontacts consisting of copper (Cu) and platinum (Pt) atoms at various temperatures (0–300 K), relative concentrations of platinum atoms (0–20%), and elongation directions [100], [110], and...

    S. A. Dokukin, S. V. Kolesnikov… in Journal of Experimental and Theoretical Ph… (2020)

  9. No Access

    Article

    Simulation of the Interaction of Graphene with a Copper Surface Using a Modified Morse Potential

    A new carbon–copper interaction potential is proposed to simulate the moiré structure of graphene on the copper surface. It is shown that the resulting moiré structure is in qualitative agreement with scanning...

    S. V. Kolesnikov, A. V. Sidorenkov, A. M. Saletsky in JETP Letters (2020)

  10. No Access

    Article

    Diffusion of Atomic Dimers during the Formation of a Pt/Cu(111) Surface Alloy

    The result of investigation with the self-learning kinetic Monte Carlo method of processes, occurring during the formation of the Pt/Cu(111) surface alloy, is presented. A model is proposed that takes into acc...

    S. A. Dokukin, S. V. Kolesnikov, A. M. Saletsky in Moscow University Physics Bulletin (2019)

  11. No Access

    Article

    Electromigration of Small Vacancy Clusters on the (100) Copper Surface

    The electromigration of small vacancy islands on the Cu(100) surface has been studied using the self-learning kinetic Monte Carlo method. The dependence of the drift velocity of vacancy clusters on their size,...

    S. V. Kolesnikov, A. M. Saletsky in JETP Letters (2018)

  12. No Access

    Article

    An estimate for the magnetization reversal time of antiferromagnetic chains within the Heisenberg model

    Within the Heisenberg model in the presence of uniaxial magnetic anisotropy, formulas are obtained that allow one to estimate both the spontaneous magnetization reversal time of an antiferromagnetic chain and ...

    S. V. Kolesnikov, I. N. Kolesnikova in Journal of Experimental and Theoretical Physics (2017)

  13. No Access

    Article

    Search for and study of photometric variability in magnetic white dwarfs

    We report the results of photometric observations of a number of magnetic white dwarfs in order to search for photometric variability in these stars. These V-band observations revealed significant variability in ...

    A. F. Valeev, K. A. Antonyuk, N. V. Pit, A. S. Moskvitin… in Astrophysical Bulletin (2017)

  14. No Access

    Article

    Determination of Fluid Flow in a Pipeline Based on Solving the Inverse Problem of Heat Transfer

    We present a method of indirect measurement of fluid flow in a pipeline by solving the inverse problem of heat transfer using an exact analytic solution of the quasi-stationary boundary value problem of heat t...

    I. V. Kudinov, A. V. Eremin, A. N. Branfileva, S. V. Kolesnikov in Measurement Techniques (2016)

  15. No Access

    Article

    Detection of circular polarization and low-amplitude photometric variability of the white dwarf WD1748+508

    We report the results of a polarimetric and photometric study of the cool white dwarf WD1748+508. Observations were performed during four consecutive nights on the telescopes of the Crimean Astrophysical Obser...

    K. A. Antonyuk, S. V. Kolesnikov, N. V. Pit, G. G. Valyavin… in Astrophysical Bulletin (2016)

  16. No Access

    Article

    Low-temperature study of the magnetic properties of finite atomic chains

    A simple method for the calculation of the spontaneous remagnetization time and magnetization curves of atomic finite-length ferromagnetic chains at a low temperature within the Heisenberg model has been propo...

    S. V. Kolesnikov in JETP Letters (2016)

  17. No Access

    Article

    Polarimetry of Saturn’s satellite Rhea

    Results of polarimetric observations of Saturn’s satellite Rhea obtained in the range of phase angles from 0.76° to 5.96° are presented. The observations were carried out in the WR spectral band (550–750 nm) a...

    S. V. Zaitsev, N. N. Kiselev, V. K. Rosenbush… in Kinematics and Physics of Celestial Bodies (2015)

  18. No Access

    Article

    Fe and Co nanostructures embedded into the Cu(100) surface: Self-Organization and magnetic properties

    The self-organization and magnetic properties of small iron and cobalt nanostructures embedded into the first layer of a Cu(100) surface are investigated using the self-learning kinetic Monte Carlo method and ...

    S. V. Kolesnikov, A. L. Klavsyuk… in Journal of Experimental and Theoretical Ph… (2015)

  19. No Access

    Article

    Magnetic properties of one-dimensional Au-Co chains on the copper(110) surface

    Magnetic properties of cobalt atoms in Au-Co chains on the Cu(110) surface (such as the magnetic moment, magnetic anisotropy energy, and exchange energy) have been calculated in the framework of the density fu...

    S. V. Kolesnikov, K. M. Tsysar, A. M. Saletsky in Physics of the Solid State (2015)

  20. No Access

    Article

    Magnetic properties of Fe and Co nanoclusters embedded in the first Cu(100) surface layer

    The magnetic anisotropy energies, as well as spin and orbital magnetic moments of the atoms involved in the simplest nanostructures formed due to the self-organization within the first Cu(100) surface layer, a...

    A. L. Klavsyuk, S. V. Kolesnikov, A. M. Saletsky in JETP Letters (2014)

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