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  1. No Access

    Article

    Molecular Dynamics Simulation of the Diffusion of a Copper Atom on Graphene

    The results of studying the effect of geometric and thermodynamic parameters of thermal evaporation and copper deposition on graphene lying on the Cu(111) surface on the adsorption of copper atoms, as well as ...

    S. V. Khudyakov, S. V. Kolesnikov… in Journal of Surface Investigation: X-ray, S… (2024)

  2. No Access

    Article

    Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction

    Within the framework of the continuous XY model, analytical expressions are derived to calculate the time of the spontaneous magnetization reversal of finite-length atomic chains on the surface of a metal. The in...

    S. V. Kolesnikov, E. S. Sapronova in Journal of Surface Investigation: X-ray, S… (2024)

  3. 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)

  4. 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)

  5. No Access

    Article

    Development of the Production of Russian Bearings for the Fuel and Energy Complex

    The key characteristics of bearings used in the fuel and energy complex of the Russian Federation are considered, and proposals for the modernization of the Russian bearing industry to create bearings that mee...

    O. V. Zhdaneev, A. V. Zaitsev… in Journal of Machinery Manufacture and Relia… (2022)

  6. 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)

  7. 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)

  8. 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)

  9. 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)

  10. 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)

  11. 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)

  12. 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)

  13. 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)

  14. No Access

    Article

    Kinetic Monte Carlo Method: Mathematical Foundations and Applications for Physics of Low-Dimensional Nanostructures

    The kinetic Monte Carlo (kMC) method is an indispensable method for studying atomic and molecular systems, which makes it possible to solve a wide range of problems associated with atomic diffusion, the format...

    S. V. Kolesnikov, A. M. Saletsky… in Mathematical Models and Computer Simulatio… (2018)

  15. 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)

  16. 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)

  17. 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)

  18. 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)

  19. 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)

  20. 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)

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