Search Results - "Pavlenko, V. A."

Lattice Dynamics of the Strontium Ferrotungstate in the Temperature Range 300–700 K by Anokhin, A. S., Razumnaya, A. G., Pavlenko, A. V.

“…The lattice dynamics of a strontium ferrotungstate SrFe 2/3 W 1/3 O 3 ceramics is studied by the Raman spectroscopy method in the temperature range 300–700 K…”
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Dielectric and Ferroelectric Properties of Thin Heteroepitaxial Films of SBN-50 by Pavlenko, A. V., Kiselev, D. A., Matyash, Ya. Yu

“…The phase transformations and ferroelectric characteristics of thin films of barium-strontium niobate SBN-50 grown by RF-cathode sputtering in an oxygen…”
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Markers of dysbiosis in patients with ulcerative colitis and Crohn's disease by Danilova, N A, Abdulkhakov, S R, Grigoryeva, T V, Markelova, M I, Vasilyev, I Yu, Boulygina, E A, Ardatskaya, M D, Pavlenko, A V, Tyakht, A V, Odintsova, A Kh, Abdulkhakov, R A

“…The aim of the study was to study the taxonomic and functional composition of the gut microbiota in ulcerative colitis (UC) and Crohn's disease (CD) patients…”
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Effect of lithium carbonate modification on the ferroelectric phase transition diffusion in lead ferroniobate ceramics by Pavelko, A. A., Pavlenko, A. V., Reznichenko, L. A.

“…The paper discusses the features of the effect of modification with lithium carbonate on the dielectric dispersion of lead ferroniobate ceramics. The modifier…”
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Shock-Wave Properties and Deformation-Induced Structure of Commercial-Purity Titanium by Pavlenko, A. V., Dobromyslov, A. V., Taluts, N. I., Malyugina, S. N., Mokrushin, S. S.

“…The shock compressive wave profiles of commercial-purity titanium samples under different loading conditions have been measured. The spall strength of titanium…”
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Pulse Compression and Tension of Epoxy Resin under Shock-Wave Action by Mochalova, V. M., Utkin, A. V., Pavlenko, A. V., Malyugina, S. N., Mokrushin, S. S.

“…The shock-wave properties of ED-10 epoxy resin have been studied using VISAR and PDV multiple-channel laser interferometers. The Hugoniot of epoxy resin and…”
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Effect of the Temperature of Shock-Wave Loading on Structure and Phase Transformations in Nitrogen-Containing Austenitic Cr–Mn–Ni Steel by Sagaradze, V. V., Kataeva, N. V., Kabanova, I. G., Afanasev, S. V., Pavlenko, A. V.

“…This work has determined the peculiarities of structure and phase transformations at various initial temperatures (–129…548°С) and high deformation rates…”
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Dielectric spectroscopy of solid solutions based on sodium–potassium–cadmium in the temperature range (10 ÷ 900) K by Moysa, M. O., Andryushin, K. P., Pavlenko, A. V., Kubrin, S. P., Reznichenko, L. A.

“…This paper studies the dielectric spectra of solid solutions (SS) of the system (1 − x − y)NaNbO3– x KNbO3 – y CdNb2O6 y = 0.075, x = 0.05 ÷ 0.30 in the…”
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Effect of the Rate of Shock-Wave Loading on the Structural and Phase Transformations of a Cr–Mn Nitrogen-Containing Austenitic Steel by Sagaradze, V. V., Kataeva, N. V., Pavlenko, A. V.

“…Optical metallography, transmission electron microscopy, and EBSD analysis have been used to study the structural and phase transformations at various rates of…”
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Optical properties of SrxBa1−xNb2O6 nanoscale films (x = 0.5 and 0.61) grown by RF-cathode sputtering in an oxygen atmosphere by Kara-Murza, S. V., Zhidel, K. M., Korchikova, N. V., Tekhtelev, Yu. V., Pavlenko, A. V., Kiseleva, L. I.

“…The research findings of the phase composition, nanostructure and optical properties of strontium–barium niobate thin films are discussed. Sr x Ba 1 − x Nb2O6…”
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Solutions of Analogs of Time-Dependent Schrödinger Equations Corresponding to a Pair of Hamiltonian Systems in the Hierarchy of Degenerations of an Isomonodromic Garnier System by Pavlenko, V. A.

“…This paper continues a series of papers in which simultaneous matrix solutions of two scalar evolution equations, which are analogs of time-dependent…”
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Solutions of the analogues of time-dependent Schrödinger equations corresponding to a pair of Hamiltonian systems by Pavlenko, V. A.

“…We construct joint matrix solutions of the scalar linear evolution equations with times and , which can be treated as analogues of the time-dependent…”
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Estimation of the upper bound of seismic hazard curve by using the generalised extreme value distribution by Pavlenko, V. A.

“…The problem considered in this study is that of unrealistic ground motion estimates, which arise in the Cornell–McGuire method when the seismic hazard curve is…”
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Preliminary Estimates of the Characteristics of Radiation and Propagation of Seismic Waves and the Ground Motion Prediction Equations for the Ural Region by Pavlenko, V. A.

“…This paper reports the first estimates of the characteristics of radiation and propagation of seismic waves in the Ural region obtained by modeling the…”
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Obtaining, structure and energy efficiency under field exposure of a Ba2NdFeNb4O15/Sr0.6Ba0.4Nb2O6 bilayer heterostructure by Pavlenko, A. V., Stryukov, D. V.

“…The results of the structure and dielectric characteristics studies of the Ba 2 NdFeNb 4 O 15 /Sr 0.6 Ba 0.4 Nb 2 O 6 /SrRuO 3 /MgO(001) multilayer…”
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Comparative study of three probabilistic methods for seismic hazard analysis: case studies of Sochi and Kamchatka by Pavlenko, V. A., Kijko, A.

“…This study examines the effect of the procedures used in three different probabilistic seismic hazard analysis (PSHA) methods for estimating the rates of…”
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Features of the crystal structure and nanostructure of BFO/SBN/SRO/MgO(001) two-layer films fabricated by RF cathode sputtering by Matyash, Ya Yu, Stryukov, D. V., Pavlenko, A. V.

“…Structure, surface morphology, and magnetic properties of Sr 0.6 Ba 0.4 Nb 2 O 6 film and BiFeO 3 /Sr 0.6 Ba 0.4 Nb 2 O 6 heterostructures with different BiFeO…”
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Structure and optical properties of STO/Si and BFO-PFN/STO/Si heterostructures obtained by RF-cathode sputtering by Zhidel, K. M., Pavlenko, A. V.

“…The paper provides information on the growth of SrTiO 3 /Si (001) (STO/Si) and 0.5BiFeO 3 -0.5PbFe 0.5 Nb 0.5 O 3 /SrTiO 3 /Si (001) (BFO-PFN/STO/Si) composite…”
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Dielectric properties of Ba2NdFeNb4O15 at temperatures between 10 K and 320 K by Pavlenko, A. V., Stryukov, D. V.

“…The phase composition, structure, and dielectric properties of the Ba 2 NdFeNb 4 O 15 (BNFNO) multiferroic ceramics have been studied by X-ray diffraction…”
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Rupture Directivity Effects of Large Seismic Sources, Case of February 6th 2023 Catastrophic Earthquakes in Turkey by Pavlenko, O. V., Pavlenko, V. A.

“…An overview of the results obtained by foreign seismologists based on the records of Turkish seismic networks AFAD (State Agency for Disaster Management under…”
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