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Article
Synthesis of Two-Dimensional NiO Nanostructures by a Combination of Programmable Chemical Deposition and Hydrothermal Treatment
The synthesis of two-dimensional NiO nanostructures by programmable chemical deposition in combination with the hydrothermal treatment of intermediates in distilled water and in aqueous ammonia solution was st...
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Article
Hierarchically Organized MoS2 Films as Promising Electrodes for Flexible Supercapacitors
The formation of hierarchically organized MoS2 films on various substrates by a hydrothermal method was studied. The influence of synthesis conditions and the substrate (a glass or a flexible carbon paper substra...
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Article
Effect of Supersonic Nitrogen Flow on Ceramic Material Ta4HfC5–SiC
The behavior of the ceramic material Ta4HfC5-30 vol % SiC has been studied under the effect of supersonic flow of dissociated nitrogen, which is necessary to assess the potential application of these materials in...
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Article
Open AccessErratum to: Synthesis and Chemoresistive Properties of Single-Layer MXene Ti2CTx
An Erratum to this paper has been published: https://doi.org/10.1134/S0036023622330026
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Article
Synthesis of Nanoscale Co3O4 Spinel and Its Application to Form Miniature Planar Structures by Microplotter Printing
The formation of nanocrystalline Co3O4 by chemical precipitation has been studied. The validation of the obtained semiproduct has been carried out using simultaneous thermal analysis, infrared spectroscopy, and X...
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Article
Effect of the Conditions of the AACVD Synthesis of Thin Nanostructured ZnO Films on Their Microstructural, Optical, and Gas-Sensing Characteristics
The effect of the parameters of the synthesis of finely divided ZnO by aerosol deposition from the gas phase on its microstructural characteristics was studied to develop an efficient method for creating selec...
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Article
Effect of 2 vol % Graphene Additive on Heat Transfer of Ceramic Material in Underexpanded Jets of Dissociated Air
Using a high-frequency induction plasma torch, features of the behavior of ultra-high-temperature ceramic materials HfB2–30 vol % SiC and (HfB2–30 vol % SiC)–2 vol % CG under the influence of underexpanded jets o...
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Article
Synthesis of Vanadium-Doped Nano-Sized WO3 by a Combination of Sol–Gel Process and Hydrothermal Treatment
The synthesis of nano-sized oxide WO3–25 at % VO2 by a combination of sol–gel process and hydrothermal treatment using metal alkoxoacetylacetonates as precursors was studied. The synthesis gave the oxide powder i...
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Article
Open AccessSynthesis and Chemoresistive Properties of Single-Layer MXene Ti2CTx
As part of the study, we have developed a method for obtaining a single-layer Ti2CTx MXene by the interaction of Ti2AlC with a mixture of hydrochloric acid and sodium fluoride followed by delamination using a tet...
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Article
Microplotter Printing of Hierarchically Organized Planar NiCo2O4 Nanostructures
The process of forming planar electrodes of the composition NiCo2O4 using high-performance high-resolution microplotter printing technology with functional inks based on nanopowders (average size of the coherent ...
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Article
Features of Glycol-Citrate Synthesis of Highly Dispersed Oxide La0.6Sr0.4Co0.2Fe0.8O3 – δ
The features of the process of glycol-citrate synthesis of highly dispersed oxide La0.6Sr0.4Co0.2Fe0.8O3 – δ with varying concentrations of the oxidizing agent (nitro group) and reducing agent (ethylene glycol) i...
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Article
Investigation of Heat Transfer to HfB2-SiC-Based Ceramics in Underexpanded Dissociated-Nitrogen Flows and Analysis of the Surface
Experiments on heat transfer to HfB2-SiC-based ceramics specimens in underexpanded supersonic flows of high-enthalpy nitrogen are performed on the VGU-4 induction high-frequency (HF) plasmatron of the Institute f...
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Article
Hydrothermal Synthesis of Nanodisperse V2O5 Using Oxalic Acid
Hydrothermal synthesis of V2O5 using ammonium vanadate and oxalic acid as the starting reactants was studied. The hydrothermal treatment of a solution at 200°C (6 h) gave a dark blue precipitate of vanadium dioxi...
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Article
Triethanolamine-Assisted Hydrothermal Synthesis of Hierarchically Organized Nickel Oxide Particles
Triethanolamine-assisted hydrothermal synthesis of hierarchical nickel oxide particles was studied. The thermal behavior, crystal structure, and spectral characteristics of α-Ni(OH)2 obtained by the hydrothermal ...
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Article
Open AccessSynthesis of MAX Phases in the Ti2AlC–V2AlC System as Precursors of Heterometallic MXenes Ti2 – xVxC
A relatively low-temperature molten salt assisted synthesis is developed to prepare MAX phase solid solutions in the Ti2AlC–V2AlC system, to be used as precursors for the preparation of heterometallic MXenes Ti2 ...
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Article
Liquid-Phase Growth of Nanocrystalline ZnO Thin Films and Their Gas-Sensitive Properties
Films of nanocrystalline ZnO have been synthesized in situ on specialized substrates as a result of heat treatment of zinc acetylacetonate hydrate solutions in 1-butanol and ethylene glycol. It has been found ...
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Article
Synthesis of Nanoscale WO3 by Chemical Precipitation Using Oxalic Acid
The synthesis of nanoscale WO3 by chemical precipitation with oxalic acid was studied. The obtained powder was characterized by IR-spectroscopy and powder X-ray diffraction, while its thermal behavior was investi...
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Article
Open AccessFormation of NiMoO4 Anisotropic Nanostructures under Hydrothermal Conditions
Abstract—The synthesis of NiMoO4 hierarchical nanostructures using the hydrothermal method has been studied. The decomposition of NiMoO4·xH2O crystalline hydrate formed during the synthesis has been studied using...
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Article
Influence of Carbon Deficiency and Hafnium Oxide Do** on Reactive Spark Plasma Sintering of the Ta2O5–C System
Features of the application of the method of spark plasma sintering, as one of the most effective and promising for the manufacture of super-refractory oxygen-free ceramics, have been studied for the reactive ...
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Article
Formation of NiCo2O4 Thin Films by Sol–Gel Technology and Pen Plotter Printing
The production of a NiCo2O4 nanopowder using hydrolytically active heteroligand complexes [M(C5H7O2)x(C4H9O)y] (where M = Ni and Co) as precursors was investigated. A simultaneous thermal analysis was used to stu...
