А. В. Кошелев

ORCID: 0000-0002-1623-734X
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About
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Research Areas
  • Shape Memory Alloy Transformations
  • Crystal Structures and Properties
  • Magnetic and transport properties of perovskites and related materials
  • Iron-based superconductors research
  • Material Properties and Applications
  • Magnetic Properties and Applications
  • Adsorption and biosorption for pollutant removal
  • Magnetic properties of thin films
  • Clay minerals and soil interactions
  • Advanced Theoretical and Applied Studies in Material Sciences and Geometry
  • Heusler alloys: electronic and magnetic properties
  • Advanced Thermoelectric Materials and Devices
  • Advanced Condensed Matter Physics
  • Water Quality Monitoring and Analysis
  • Rare-earth and actinide compounds
  • Mining and Gasification Technologies
  • Industrial Engineering and Technologies
  • Geological and Geochemical Analysis
  • Adsorption, diffusion, and thermodynamic properties of materials
  • 2D Materials and Applications
  • Silicon Nanostructures and Photoluminescence
  • Water Resources and Management
  • Piezoelectric Actuators and Control
  • Membrane Separation Technologies
  • Material Science and Thermodynamics

State Research Institute of Organic Chemistry and Technology
2023-2024

Institute of Experimental Mineralogy
2019-2022

Ural Federal University
2016-2021

Lomonosov Moscow State University
2015-2020

Yuri Gagarin State Technical University of Saratov
2018-2020

All-Russian Scientific Research Institute for the Use of Machinery and Petroleum Products in Agriculture
2020

Moscow State University
2015-2020

Tver State University
2020

Institute of Physics and Technology
2016-2019

Institute of Physics and Technology
2016

Silicon (Si) nanoparticles (NPs) with small (10 −3 –10 −1 at%) content of iron oxide (Fe 2 O 3 ) are prepared by plasma‐assisted ablative synthesis. Powders the Si‐iron (SIO) NPs investigated means transmission electron microscopy, Raman spectroscopy, paramagnetic resonance, and magnetic susceptibility measurements. Aqueous suspensions studied using dynamic light scattering nuclear resonance technique. The longitudinal transverse relaxation times protons in aqueous found to be dependent on...

10.1002/pssa.201800897 article EN physica status solidi (a) 2019-03-26

The synthetic mineral urusovite $\mathrm{CuAl}(\mathrm{As}{\mathrm{O}}_{4})\mathrm{O}$ was prepared through the wet chemistry route and characterized over a wide temperature range in terms of studies magnetization, specific heat, X-band electron spin resonance. basic structural units compound are distorted square pyramids $\mathrm{Cu}{\mathrm{O}}_{5}$ assembled into corrugated honeycomb layers separated by $\mathrm{As}{\mathrm{O}}_{4}$ $\mathrm{Al}{\mathrm{O}}_{4}$ tetrahedrons. Both...

10.1103/physrevb.91.144406 article EN Physical Review B 2015-04-07

The magnetic and magnetocaloric measurements are reported for Ni <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">49.9</sub> Mn xmlns:xlink="http://www.w3.org/1999/xlink">37.03</sub> Sb xmlns:xlink="http://www.w3.org/1999/xlink">12.3</sub> Fe xmlns:xlink="http://www.w3.org/1999/xlink">0.77</sub> . application of field was found to result in a shift characteristic temperatures the martensitic transformation (MT) by 0.7 K/T. Direct effect (MCE)...

10.1109/tmag.2017.2761322 article EN IEEE Transactions on Magnetics 2017-10-31

Abstract The publication justifies the feasibility of adsorption method industrial wastewater treatment from aromatic compounds. Objects and methods research are described. Studies mechanisms compounds on bentonites various modifications made it possible to establish most effective sorption rock clay-based materials, as well filter compositions. Bentonite modified with carbon nanotubes after heat 550 ° C proved be respect studied principle combining sorbents in a single filtering system,...

10.1088/1755-1315/337/1/012010 article EN IOP Conference Series Earth and Environmental Science 2019-11-01

The derivation is presented of the Clausius-Clapeyron relation (CCR) in second order expansion free energy potential on change temperature and magnetic field example Ni-Mn-In Heusler alloys with first-order metamagnetostructural phase transition (FOMMSPT), which can be treated as thermoelastic structural transition: austenite-martensite merging metamagnetic ferromagnet-antiferromagnet. It shown that second-order CCR describes satisfactory nonlinear shift characteristic temperatures FOMMSPT...

10.1109/tmag.2017.2697205 article EN IEEE Transactions on Magnetics 2017-04-24

В данной работе методом молекулярной динамики с использованием потенциала сильной связи проведено моделирование процесса молекулярно-лучевой эпитаксии целью определения закономерностей при формировании фрактальных металлических пленок на твердой поверхности. качестве подложки использовалась медь, пленка формировалась из атомов золота. Показана возможность формирования структур в островковой пленке золота поверхности меди. Различными аналитическими методами программного продукта Gwyddion...

10.26456/pcascnn/2020.12.424 article RU cc-by-nc-nd Physical and Chemical Aspects of the Study of Clusters Nanostructures and Nanomaterials 2020-12-14

As a result of studies the magnetic properties and density more than 500 samples Mesozoic Paleocene intrusive volcanic complexes sampled in western Antarctic Peninsula (Vernadsky base area), new information for petrophysical characteristics rocks was obtained. Rocks are characterized by wide range values both (magnetic susceptibility – from 0.0016 to 0.26 SI, natural remanent magnetization 0.0045 8.37 A/m) (from 2.57 3.3 g/cm3) parameters. Differences various petrographic groups fit into...

10.33275/1727-7485.13.2014.215 article EN cc-by-nc-nd Ukrainian Antarctic Journal 2014-01-01

The paper presents the results of studies on obtaining a bactericide based iodized anion exchange resin АВ-17-8. obtained compound bactericidal efficiency was assessed Escherichia сoli culture suspensions at 103–109 CFU/mL. All experiments gave positive and demonstrated possibility their use for natural water treatment in local systems. filter can be used quantitative determination bacteriological contamination studied waters. Water samples contaminated with E. coli 500, 1000, 5000 10000...

10.25750/1995-4301-2024-1-218-227 article EN Theoretical and Applied Ecology 2024-03-25

The modern textile industry uses large quantities of water and produces significant volumes wastewater at various stages production. This especially applies to the dyeing fabrics processing. In OJSC “S.M. Kirov Spinning Thread Combine” excesses were revealed in almost all studied indicators, except for calcium nitrites. excess Cu2+ copper ions reaches 800 times. Laboratory studies effectiveness sorption materials with respect carried out using model solutions CuSO4∙5H2O. Research has made it...

10.1051/e3sconf/202455503001 article EN cc-by E3S Web of Conferences 2024-01-01

Exchange bias (EB) is a complex interface phenomenon often used in multiple applications ranging from magnetic field sensors to spintronics and neuromorphic computing for inducing unidirectional anisotropy ferromagnetic layer exchange coupled an antiferromagnetic layer. Despite the significant progress understanding mechanisms behind EB, predicting optimizing hysteresis properties of pinned real-life systems with crystalline structure still challenge. In this work we use combined machine...

10.1109/tmag.2021.3077288 article EN IEEE Transactions on Magnetics 2021-05-04
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