Petr Shvets
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View article: Targeted synthesis of polycrystalline vanadium dioxide thin films via post-deposition annealing
Targeted synthesis of polycrystalline vanadium dioxide thin films via post-deposition annealing Open
Implementation of neuromorphic hardware is a promising way to improve the computing efficiency and decrease the energy consumption of artificial neural networks. For this purpose, electronic elements emulating the behavior of synapses and …
View article: Origin of perpendicular magnetic anisotropy in ultra-thin metal films studied by in-situ neutron reflectometry
Origin of perpendicular magnetic anisotropy in ultra-thin metal films studied by in-situ neutron reflectometry Open
Perpendicular magnetic anisotropy (PMA) plays an important role in different spintronic devices. The rapid development of spintronics requires a better understanding of the nature and mechanisms of the PMA formation. In our article, we dem…
View article: Compact pulsed laser deposition system for in-situ polarized neutron reflectometry
Compact pulsed laser deposition system for in-situ polarized neutron reflectometry Open
The development of ferromagnet/heavy metal thin-film structures, such as CoFeB/Mo, with spin-orbit interaction requires advanced methods for their production and study. Polarized neutron reflectometry (PNR) provides unique insights into th…
View article: Quantitive evaluation of composition and biomolecular mapping of macrofungi spores by Raman spectroscopy
Quantitive evaluation of composition and biomolecular mapping of macrofungi spores by Raman spectroscopy Open
Raman spectroscopy is widely applied to detect different chemical compounds in organic matter and create label-free high-resolution maps on the level of separate cells. The main advantage of this technique is the possibility to study objec…
View article: Phase Composition, Surface Morphology, and Dielectric Properties of Poly(Vinylidene Fluoride)–Cobalt Ferrite Composite Films Depending on Thickness
Phase Composition, Surface Morphology, and Dielectric Properties of Poly(Vinylidene Fluoride)–Cobalt Ferrite Composite Films Depending on Thickness Open
This study investigates the effect of polyvinylidene fluoride–CoFe2O4 (PVDF-CFO) composite film thickness on their supramolecular structure, phase composition, and dielectric properties. The composites were synthesized from PVDF with CFO n…
View article: Cobalt Ferrite Nanorods Synthesized with a Facile “Green” Method in a Magnetic Field
Cobalt Ferrite Nanorods Synthesized with a Facile “Green” Method in a Magnetic Field Open
We report a new facile method for the synthesis of prolate cobalt ferrite nanoparticles without additional stabilizers, which involves a co-precipitation reaction of Fe3+ and Co2+ ions in a static magnetic field. The magnetic field is demo…
View article: Kinetic Study of Geo X Amorphous Film Disproportionation into A-Ge Nanoclusters / Geo 2 System Using Raman and Infrared Spectroscopy
Kinetic Study of Geo X Amorphous Film Disproportionation into A-Ge Nanoclusters / Geo 2 System Using Raman and Infrared Spectroscopy Open
View article: In Situ X-ray Absorption Spectroscopy Cells for High Pressure Homogeneous Catalysis
In Situ X-ray Absorption Spectroscopy Cells for High Pressure Homogeneous Catalysis Open
We have designed, built, and tested two cells for in situ and, potentially, operando X-ray absorption spectroscopy experiments in transmission and fluorescence modes. The cells were developed for high-pressure and high-temperature conditio…
View article: Pulsed Laser Phosphorus Doping and Nanocomposite Catalysts Deposition in Forming a-MoSx/NP-Mo//n+p-Si Photocathodes for Efficient Solar Hydrogen Production
Pulsed Laser Phosphorus Doping and Nanocomposite Catalysts Deposition in Forming a-MoSx/NP-Mo//n+p-Si Photocathodes for Efficient Solar Hydrogen Production Open
Pulsed laser deposition of nanostructured molybdenum sulfide films creates specific nonequilibrium growth conditions, which improve the electrocatalytic properties of the films in a hydrogen evolution reaction (HER). The enhanced catalytic…
View article: Raman Spectroscopy of V4O7 Films
Raman Spectroscopy of V4O7 Films Open
A thin film of vanadium oxide Magnéli phase V4O7 was produced using cathodic arc sputtering. X-ray diffraction, Rutherford backscattering spectrometry and Raman investigations confirmed the formation of this phase. The Raman spectrum of V4…
View article: Titanium Oxynitride Thin Films Wide Temperature Range Sensors
Titanium Oxynitride Thin Films Wide Temperature Range Sensors Open
The temperature dependence of the resistivity of titanium oxynitride TiN x O y thin films with different oxygen and nitrogen content obtained by atomic layer deposition was investigated. We found that the resistance of all films monotonica…
View article: Correlation between Raman spectra and oxygen content in amorphous vanadium oxides
Correlation between Raman spectra and oxygen content in amorphous vanadium oxides Open
View article: Specific Features of Reactive Pulsed Laser Deposition of Solid Lubricating Nanocomposite Mo–S–C–H Thin-Film Coatings
Specific Features of Reactive Pulsed Laser Deposition of Solid Lubricating Nanocomposite Mo–S–C–H Thin-Film Coatings Open
This work investigates the structure and chemical states of thin-film coatings obtained by pulsed laser codeposition of Mo and C in a reactive gas (H2S). The coatings were analysed for their prospective use as solid lubricating coatings fo…
View article: Magnetic-field-assisted synthesis of anisotropic iron oxide particles: Effect of pH
Magnetic-field-assisted synthesis of anisotropic iron oxide particles: Effect of pH Open
The synthesis of magnetite (Fe 3 O 4 ) nanorods using reverse co-precipitation of Fe 3+ and Fe 2+ ions in the presence of a static magnetic field is reported in this work. The phase composition and crystal structure of the synthesized mate…
View article: Влияние редкоземельных металлов на термическую стабильность и стеклообразующую способность аморфных сплавов Al–Ni–Co–РЗМ
Влияние редкоземельных металлов на термическую стабильность и стеклообразующую способность аморфных сплавов Al–Ni–Co–РЗМ Open
View article: Copper-Stabilized Si/Au Nanowhiskers for Advanced Nanoelectronic Applications
Copper-Stabilized Si/Au Nanowhiskers for Advanced Nanoelectronic Applications Open
We report here the growth and functional properties of silicon-based nanowhisker (NW) diodes produced by the vapor-liquid-solid process using a pulsed laser deposition technique. For the first time, we demonstrate that this method could be…