L. Yu. Matzui
YOU?
Author Swipe
View article: Study of charge transfer mechanisms in cobalt-substituted copper ferrites
Study of charge transfer mechanisms in cobalt-substituted copper ferrites Open
In this study, Co x Cu 1-x Fe 2 O 4 (x = 0.0–1.0) spinel ferrites were synthesized by the citrate sol–gel autocombustion method and systematically investigated to clarify composition-dependent charge transport mechanisms. X-ray diffraction…
View article: Tunable Electromechanical and Microwave Shielding Properties of Epoxy Composites With Hybrid Nanocarbon/Cobalt Fillers
Tunable Electromechanical and Microwave Shielding Properties of Epoxy Composites With Hybrid Nanocarbon/Cobalt Fillers Open
Electrical and electromagnetic shielding properties of three‐phase nanocarbon/Co/epoxy composites were studied. Highly resistive composites with 2–3 wt% of graphite nanoplatelets (GNPs) and 30 wt% of Co showed an irreversible increase in e…
View article: Negative permittivity and permeability of polyethylene-based composites with segregated filler network in microwave range
Negative permittivity and permeability of polyethylene-based composites with segregated filler network in microwave range Open
In this paper, the microwave permittivity and permeability were investigated in the frequency range 26–40 GHz in percolative three-phase graphite nanoplatelets (GNPs)/magnetic particles (Fe, Co3O4)-polyethylene compos…
View article: Microwave properties of composites based on glass microsphers coated with ferromagnetic compounds
Microwave properties of composites based on glass microsphers coated with ferromagnetic compounds Open
In this study, glass microspheres (GMs) of varying sizes, both pure and decorated with nano-sized bimetallic Ni(80)Fe(20) particles, were incorporated into epoxy-based composites filled with 3 wt% graphite nanoparticles (GNPs) to create 2D…
View article: Study of Dielectric and Magnetic Properties of Epoxy Composites with Combined Nanocarbon/Magnetic Fillers
Study of Dielectric and Magnetic Properties of Epoxy Composites with Combined Nanocarbon/Magnetic Fillers Open
View article: The effect of filler distribution on electromagnetic properties of nanocarbon/magnetic particles/polymer composites
The effect of filler distribution on electromagnetic properties of nanocarbon/magnetic particles/polymer composites Open
The type of multi-component fillers and their spatial distribution in conductive polymer-based composites greatly influenced their electrical properties, electromagnetic shielding efficiency (SE), and absorption capability, which require a…
View article: Segregated Conductive Polymer Composite with Fe3O4-Decorated Graphite Nanoparticles for Microwave Shielding
Segregated Conductive Polymer Composite with Fe3O4-Decorated Graphite Nanoparticles for Microwave Shielding Open
Graphite nanoplatelets (GNPs)—the segregated ultra-high molecular weight polyethylene (UHMWPE)-based composites with hybrid filler—decorated with Fe3O4 were developed. Using X-ray diffraction and scanning electron microscopy, it was shown …
View article: Electrical and Electrodynamic Properties of Polymer Composites with Nanocarbon Filler
Electrical and Electrodynamic Properties of Polymer Composites with Nanocarbon Filler Open
View article: Electrical and Mechanical Properties of Epoxy Composites Filled with Carbon and Co3O4 Nanoparticles
Electrical and Mechanical Properties of Epoxy Composites Filled with Carbon and Co3O4 Nanoparticles Open
Проведено дослідження зразків багатокомпонентних епоксидних композитів (КМ), вивчено структуру, морфологію наповнювачів та їх розподіл в епоксидній матриці, особливості процесу модифікації
\nелектропровідного кластера та зміни міжфазної по…
View article: Magnetoresistance of nanocarbon structure modified by NiFe
Magnetoresistance of nanocarbon structure modified by NiFe Open
The paper presents the results of studies of the magneto-transport properties of nanocarbon structures modified on the surface at the same time with particles of transition metals nickel and iron. Two different types of nanocarbon structur…
View article: Pyrolyzed photoresist thin film: Effect of electron beam patterning on DC and THz conductivity
Pyrolyzed photoresist thin film: Effect of electron beam patterning on DC and THz conductivity Open
Pyrolyzed photoresist films (PPFs), which are formed via vacuum annealing of a photoresist without a catalyst, can be employed for fabrication of graphitic nanostructures by using conventional lithographic techniques. Such approach allows …
View article: Microwave Properties of Carbon Magnetic Shell Structures, Based on Glass Microspheres, With a Coating Consisting of Ferromagnetic Compounds and Nanocarbon
Microwave Properties of Carbon Magnetic Shell Structures, Based on Glass Microspheres, With a Coating Consisting of Ferromagnetic Compounds and Nanocarbon Open
У роботі встановлено закономірності зміни частотних залежностей мікрохвильових екрануючих
\nвластивостей виготовлених 2D і 3D метаструктур з періодичними ґратками на основі скляних мікросфер, покритих ГНП, ГНП-NiFe, MoS2 та суміші MоS2 + 2…
View article: Concentration and Temperature Dependences of Thermal and Electrical Conductivity of Polymer Hybrid Composites Graphite Nanoplatelets/Fe/Epoxy
Concentration and Temperature Dependences of Thermal and Electrical Conductivity of Polymer Hybrid Composites Graphite Nanoplatelets/Fe/Epoxy Open
The concentration and temperature dependences of the electrical and thermal conductivity of epoxy-based (L285) composite materials (СM) with a combined graphite nanoplatelets/carbonyl iron (GNP/Fe) filler are studied.The content of GNP is …
View article: Epoxy composites filled with graphite nanoplatelets modified by FeNi nanoparticles: Structure and microwave properties
Epoxy composites filled with graphite nanoplatelets modified by FeNi nanoparticles: Structure and microwave properties Open
This paper is concerned with investigation of the structure and microwave properties of epoxy resin composites with graphite nanoplatelets (GNPs) decorated by FeNi nanoparticles prepared by the salt impregnation. It was confirmed by SEM an…
View article: Microwave Properties of GNP-Polymer Composites with a Segregated Conductive Network
Microwave Properties of GNP-Polymer Composites with a Segregated Conductive Network Open
У роботі представлені результати дослідження електродинамічних і екрануючих характеристик в діапазоні 40-60 ГГц полімерних композитів з графітовими нанопластинками і двома різними типами полімеру. Як полімерну матрицю використовували надви…
View article: Electromagnetic Properties of Carbon Nanotube/BaFe12−xGaxO19/Epoxy Composites with Random and Oriented Filler Distributions
Electromagnetic Properties of Carbon Nanotube/BaFe12−xGaxO19/Epoxy Composites with Random and Oriented Filler Distributions Open
The microwave properties of epoxy composites filled with 30 wt.% of BaFe12–xGaxO19 (0.1 ≤ x ≤ 1.2) and with 1 wt.% of multi-walled carbon nanotubes (CNTs) were investigated in the frequency range 36–55 GHz. A sufficient increase in the mic…
View article: Graphite Nanoplatelets Modified with Bimetallic Ni–Fe Particles for Catalysis Purposes
Graphite Nanoplatelets Modified with Bimetallic Ni–Fe Particles for Catalysis Purposes Open
The structure and surface morphology of graphite nanoplatelets (GNPs) modified by bimetallic Ni-Fe phase with 80% mass.Ni and 20% mass.Fe is investigated by the methods of scanning electron microscopy and X-ray analysis.The bimetallic acti…
View article: Infrared Spectroscopy of Ultraviolet-Irradiated Carbon Nanotubes
Infrared Spectroscopy of Ultraviolet-Irradiated Carbon Nanotubes Open
The possibility of using the UV irradiation for a functionalization of carbon nanotubes with different degrees of structural perfection is considered. In investigations, the method of infrared spectroscopy is used. A change in the number o…
View article: Polyethylene Composites with Segregated Carbon Nanotubes Network: Low Frequency Plasmons and High Electromagnetic Interference Shielding Efficiency
Polyethylene Composites with Segregated Carbon Nanotubes Network: Low Frequency Plasmons and High Electromagnetic Interference Shielding Efficiency Open
Polyethylene (PE) based composites with segregated carbon nanotubes (CNTs) network was successfully prepared by hot compressing of a mechanical mixture of PE and CNT powders. Through comparison with a composite comprising randomly distribu…
View article: The Structure and Transport Properties of Single-walled Carbon Nanotubes Modified by Cobalt-containing Complexes
The Structure and Transport Properties of Single-walled Carbon Nanotubes Modified by Cobalt-containing Complexes Open
В статті наведені результати досліджень структурно-морфологічних особливостей та транспортних
\nвластивостей одностінних вуглецевих нанотрубок, модифікованих кобальт-вмісними комплексами. В
\nроботі запропонована схема, яка дозволяє одноча…
View article: Functional Magnetic Composites Based on Hexaferrites: Correlation of the Composition, Magnetic and High-Frequency Properties
Functional Magnetic Composites Based on Hexaferrites: Correlation of the Composition, Magnetic and High-Frequency Properties Open
The paper describes preparation features of functional composites based on ferrites, such as “Ba(Fe1−xGax)12O19/epoxy,” and the results of studying their systems; namely, the correlation between structure, magnetic properties and electroma…
View article: Interface Interaction as a Factor of Dielectric Properties of Epoxy-based Composites with Graphite Nanoplatelets
Interface Interaction as a Factor of Dielectric Properties of Epoxy-based Composites with Graphite Nanoplatelets Open
Робота присвячена дослідженню фізичних властивостей композитних матеріалів графітові нанопластинки / епоксидна смола із зміненим рівнем міжфазної взаємодії за рахунок попереднього опромінення наповнювача ультрафіолетом. З’ясовано вплив між…
View article: Electrical and Thermal Conductivity of Ternary Composites Graphite Nanoplatelets/TiO2/Epoxy
Electrical and Thermal Conductivity of Ternary Composites Graphite Nanoplatelets/TiO2/Epoxy Open
Проведено дослідження електричних та теплових властивостей композитних матеріалів (КМ) на основі епоксидної смоли Л285 і гібридного наповнювача графітові нанопластинки/оксид титану (ГНП/TiO2). Експериментальне дослідження включало вимірюва…
View article: The Structural Studies of Phase Transitions in the Graphite Intercalation Compounds with Iodine Chloride and Bromine
The Structural Studies of Phase Transitions in the Graphite Intercalation Compounds with Iodine Chloride and Bromine Open
У статті наведені результати досліджень методом рентгенівської дифракції фазових переходів в інтеркальованих сполуках на основі дрібнокристалічного анізотропного піролітичного графіту з хлоридом йоду та бромом. Як вихідний для інтеркалюван…
View article: Features of Microstructure of Chemically Obtained Graphene-Like Particles
Features of Microstructure of Chemically Obtained Graphene-Like Particles Open
The graphene-like structures are investigated by methods of electron microscopy, EMR, and Raman spectroscopy. They were obtained by the chemical treatment and the sonication in different reagents. As a source for obtaining the graphene-lik…
View article: The peculiarity of intercalation of carbon nanomaterials containing nanotubes
The peculiarity of intercalation of carbon nanomaterials containing nanotubes Open
The possibility of intercalation of carbon nanomaterials containing carbon nanotubes is considered. Carbon nanomaterials containing multiwall carbon nanotubes of different structure and size were intercalated by iodine chloride with use st…
View article: Dielectric properties of aqueous cellulose nanocrystals and nanofibers suspensions
Dielectric properties of aqueous cellulose nanocrystals and nanofibers suspensions Open
Dielectric properties of hydrophobic nanoparticles suspensions are intensively investigated nowadays.However, few works investigate suspensions of hydrophilic nanoparticles.In the present work, we investigate the influence of hydrophilic c…
View article: Electrical Properties of Composite Materials with Electric Field-Assisted Alignment of Nanocarbon Fillers
Electrical Properties of Composite Materials with Electric Field-Assisted Alignment of Nanocarbon Fillers Open
View article: The Electrical Properties of Hybrid Composites Based on Multiwall Carbon Nanotubes with Graphite Nanoplatelets
The Electrical Properties of Hybrid Composites Based on Multiwall Carbon Nanotubes with Graphite Nanoplatelets Open
View article: Microwave Properties of One-dimensional Photonic Structures Based on Composite Layers Filled with Nanocarbon
Microwave Properties of One-dimensional Photonic Structures Based on Composite Layers Filled with Nanocarbon Open