АС

А. С. Сидоренко

Orel State University named after I.S. Turgenev

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R. Morari

Technical University of Moldova

V. I. Zdravkov

University of Augsburg

R. Tidecks

University of Augsburg

ЛР

Л. Р. Тагиров

Kazan Federal University

S. Horn

University of Augsburg

M. Yu. Kupriyanov

Lomonosov Moscow State University

D. Lenk

University of Augsburg

Christian D. Muller

Kliniken Essen-Mitte

G. Obermeier

University of Augsburg

Aladin Ullrich

University of Augsburg

Cooperative Institutions

American Society of Safety Professionals

232

V. N. Karazin Kharkiv National University

Lviv Polytechnic National University

Academy of Sciences of Moldova

Russian Academy of Sciences

National Academy of Sciences of Ukraine

University of Augsburg

National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”

Karlsruhe Institute of Technology

Lomonosov Moscow State University

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UkrMiCo 2019 Contents

Ibrahim Serhat Bulut Haci Ilhan Lela Mirtskhulava Larysa Globa Nugzar Meshveliani

The throughput capacity of transmission systems by G.fast technology with crosstalk compensation

Crosstalk

10.1109/ukrmico47782.2019.9165504

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The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

Beilstein Journal of Nanotechnology (2023)

А. В. Вахрушев Aleksey Yu. Fedotov Olesya Severyukhina А. С. Сидоренко

The present paper considers a mathematical model describing the time evolution of spin states and magnetic properties of a nanomaterial. We present the results of two variants of nanosystem simulations. In the first variant, cobalt with a structure close to the hexagonal close-packed crystal lattice was considered. In the second case, a cobalt nanofilm formed in the previously obtained numerical experiment of multilayer niobium-cobalt nanocomposite deposition was investigated. The sizes of the systems were the same in both cases. For both simulations, after pre-correction in the initial time stages, the value of spin temperature stabilized and tended to the average value. Also, the change in spin temperature occurred near the average value. The system with a real structure had a variable spin temperature compared to that of a system with an ideal structure. In all cases of calculations for cobalt, the ferromagnetic behavior was preserved. Defects in the structure and local arrangement of the atoms cause a deterioration in the magnetic macroscopic parameters, such as a decrease in the magnetization modulus.

Lattice constant

Magnetic structure

Nanomaterials

10.3762/bjnano.14.3

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Evidence for two-dimensional nucleation of superconductivity in MgB ₂

EPL (Europhysics Letters) (2002)

А. С. Сидоренко Л. Р. Тагиров A. N. Rossolenko V. V. Ryazanov Matthias Klemm

According to the crystal structure of MgB2 and band structure calculations quasi–two-dimensional (2D) boron planes are responsible for the superconductivity. We report on critical fields and resistance measurements of 30 nm thick MgB2 films grown on MgO single crystalline substrate. A linear temperature dependence of the parallel and perpendicular upper critical fields indicates a 3D-like penetration of magnetic field into the sample. Resistivity measurements, in contrast, yield a temperature dependence of fluctuation conductivity above Tc which agrees with the Aslamazov-Larkin theory of fluctuations in 2D superconductors. We consider this finding as an experimental evidence of two-dimensional nucleation of superconductivity in MgB2.

10.1209/epl/i2002-00237-5

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Hybrid nanostructures superconductor-ferromagnet for superconducting spintronics

Journal of Physics Conference Series (2021)

А. С. Сидоренко R. Morari Vladimir Boian A.A. Prepelitsa E. Antropov

Abstract The work is devoted to the study of the processes of formation of multilayer nanostructures, their vacuum deposition, and the manufacture of a novel functional element of spintronics - superconducting spin valve, which is a multilayer structure consisting of ferromagnetic cobalt nanolayers separated by superconductor niobium films. Multilayer nanostructures are fabricated by magnetron sputtering on (111) silicon substrates at a temperature of 300K. The prototypes of the superconducting spin valve are prepared from multilayer nanostructures by the method of sharp focus reactive ion etching (FIB). Modeling was carried out using molecular dynamics methods.

Spin valve

10.1088/1742-6596/1758/1/012037

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NANOTEHNOLOGY AND WONDERFUL WORLD OF METAMATERIALS

DOAJ (DOAJ: Directory of Open Access Journals) (2014)

А. С. Сидоренко

Source

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Large Area Nb Nanolayers with Advanced Superconducting Properties as a Base for Superconducting Spintronics

NATO science for peace and security series. B, Physics and biophysics (2008)

V. I. Zdravkov R. Morari А. С. Сидоренко

Base (topology)

10.1007/978-1-4020-8796-7_2

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Natural antioxidants in West Kazakhstan crude oils

Petroleum Chemistry U S S R (1990)

V KARPITSKII А. С. Сидоренко

Fracturing fluid

10.1016/0031-6458(90)90052-h

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Reentrant superconductivity in superconductor-ferromagnetic-alloy bilayers

Bulletin of the Russian Academy of Sciences Physics (2008)

V. I. Zdravkov А. С. Сидоренко G. Obermeier S. Gsell M. Schreck

Reentrancy

Superconducting transition temperature

10.3103/s1062873808020020

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Wetting of grain boundaries in Al by the solid Al3Mg2 phase

Journal of Materials Science (2009)

Boris B. Straumal B. Baretzky Olga A. Kogtenkova A. B. Straumal А. С. Сидоренко

The microstructure of binary Al100−x –Mg x (x = 10, 15, 18 and 25 wt%) alloys after long anneals (600–4000 h) was studied between 210 and 440 °C. The transition from incomplete to complete wetting of Al/Al grain boundaries (GBs) by the second solid phase Al3Mg2 has been observed. The portion of completely wetted GBs increases with increasing temperature beginning from T wsmin = 220 °C. Above T wsmax = 410 °C all Al/Al GBs are completely wetted by the Al3Mg2 phase.

10.1007/s10853-009-4014-6

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Citations (97)

Basic Superconducting Spin Valves

Nanoscience and technology (2018)

В. Н. Кушнир А. С. Сидоренко Л. Р. Тагиров M. Yu. Kupriyanov

Spin valve

10.1007/978-3-319-90481-8_1

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Citations (13)