94 Result(s)

Article

Efficiency of Using Silicon Dioxide Nanoparticles to Increase Wheat Productivity in Soil and Climatic Conditions of Western Siberia

In this study, we investigated the effectiveness of silica nanoparticle (SiO₂NP) suspension for pre-sowing inoculation of spring wheat seeds under soil and climatic conditions of the Western Siberia. We report th...

N. N. Tereshchenko, B. I. Makarov, A. V. Kravets, I. V. Lushchaeva… in BioNanoScience (2024)

Article

Preparation of Model Rh–CeO₂ Catalysts by Pulsed Laser Ablation in Liquid

The powders of Rh and CeO₂ are synthesized by pulsed laser ablation in liquid. The Rh–CeO₂ model catalysts are prepared by the calcination of these powders in a wide temperature range from 450 °C to 1000 °C. The ...

L. S. Kibis, A. I. Krotova, E. A. Fedorova… in Journal of Structural Chemistry (2023)

Article

Laser Synthesis of Bismuth Titanate Bi₁₂TiO₂₀ for Use in Photocatalysis

A way of obtaining mixed oxides of titanium and bismuth is developed on the basis of pulsed laser ablation in a liquid. The main conditions of synthesis that affect the phase composition of the materials are d...

E. D. Fakhrutdinova, L. S. Egorova… in Bulletin of the Russian Academy of Science… (2022)

Article

Nanosized Multioxides of Refractory Metals Obtained by Laser Ablation

I. A. Ditenberg, Yu. P. Pinzhin, I. V. Smirnov, K. V. Grinyaev… in Russian Physics Journal (2022)

Article

Effect of the Type of Active Component–Support Interaction on the Low-Temperature Activity of Metal–Oxide Catalysts in CO Oxidation

The Pt–SnO_x, Pd–SnO_x, and Au–SnO_x composite catalysts were synthesized by pulsed laser ablation. The catalyst testing in the CO + O₂ reaction showed that the action of the reaction medium can induce both partial ...

A. I. Stadnichenko, E. M. Slavinskaya, E. D. Fakhrutdinova… in Doklady Physical Chemistry (2022)

Article

Photocatalytic Properties of Zinc Oxide Nanopowders Obtained via Nano- and Picosecond Laser Ablation in Air

The pulsed laser ablation of a zinc target in air is used to prepare nanopowders containing zinc oxide and hydroxynitrate phases. The effect the power density of pico- and nanosecond laser pulses of the fundam...

O. A. Reutova, V. A. Svetlichnyi in Bulletin of the Russian Academy of Sciences: Physics (2022)

Article

Effect of Laser and Temperature Treatment on the Optical Properties of Titanium Dioxide Nanoparticles Prepared Via Pulsed Laser Ablation

Nanomaterials based on titanium dioxide are of considerable interest as promising photocatalysts for water and air purification and hydrogen generation. To increase the efficiency of TiO₂, it is necessary to exte...

Zh. P. Fedorovich, M. A. Gerasimova, E. D. Fakhrutdinova… in Russian Physics Journal (2022)

Article

Study of the Characteristics of Ultra-Short Wave Propagation in an Inhomogeneous Troposphere for a Trilinear Model of Refractivity Profile. Modeling Results

Based on the solution of the problem [1], while applying the computer program, developed by authors, a numerical study of the spectrum of normal waves and height factor modes of horizontal and vertical branche...

V. A. Svetlichnyi, O. V. Smirnova in Journal of Communications Technology and Electronics (2022)

Article

Study of the Characteristics of Ultra-Short Wave Propagation in an Inhomogeneous Troposphere for a Trilinear Model of Refractivity Profile. Theoretical Part

An analytical solution for the problem of a vertical electric and magnetic dipole field in an inhomogeneous troposphere over an impedance surface for a trilinear model of a vertical refractivity profile is obt...

V. A. Svetlichnyi, O. V. Smirnova in Journal of Communications Technology and Electronics (2022)

Article

ACTIVATION OF Au–CeO₂ COMPOSITES PREPARED BY PULSED LASER ABLATION IN THE REACTION OF LOW-TEMPERATURE CO OXIDATION

The Au/CeO₂ composite catalyst is prepared by pulsed laser ablation in liquid (PLAL). Dispersions of gold and cerium are prepared in alcohol and water, respectively, mixed, dried, and annealed at various temperat...

A. I. Stadnichenko, E. M. Slavinskaya, E. A. Fedorova… in Journal of Structural Chemistry (2021)

Article

Photocatalytic Activity of Zinc Oxide Nanoparticles Prepared by Laser Ablation in a Decomposition Reaction of Rhodamine B

The development of the routes for synthesizing photocatalysts and the methods for investigating their properties is very appealing for applications in ecology and renewable energy production. Zinc oxide is one...

E. A. Gavrilenko, D. A. Goncharova, I. N. Lapin… in Russian Physics Journal (2020)

Article

Peculiarities of Structure and Morphology of Copper-Cerium Nanopowders Produced by Laser Ablation

Copper-cerium nanopowders CuO_x–CeO₂ (mass ratio Cu:Ce = 6:100) are prepared by mixing the dispersions of the copper and cerium oxides produced by the method of pulse laser ablation (PLA) in liquid, followed by dr...

D. A. Goncharova, D. A. Svintsitskiy, O. A. Stonkus… in Russian Physics Journal (2020)

Article

Iron Oxide Nanopowders Obtained via Pulsed Laser Ablation, for Supercapacitors

Nano-sized magnetite powders with addition of iron nitrides were synthesized via pulsed laser ablation (PLA) of an iron target in atmospheric air. A series of iron oxide nanopowders with various phase composit...

A. V. Shabalina, D. O. Sharko, D. R. Korsakova… in Russian Journal of Inorganic Chemistry (2020)

Article

A Study of Pt/Al₂O₃ Nanocomposites Obtained by Pulsed Laser Ablation to Be Used as Catalysts of Oxidation Reactions

Pulsed laser ablation (PLA) in liquids is an effective high-energy method for the synthesis of functional nanomaterials. In the present work, a nanocomposite catalyst Pt/Al₂O₃(PLA) is prepared by mixing solutions...

E. A. Fedorova, A. I. Stadnichenko, E. M. Slavinskaya… in Journal of Structural Chemistry (2020)

Article

Nanocrystalline Cobalt Ferrite Powders by Spray Solution Combustion Synthesis

Nanocrystalline cobalt ferrospinel powders were prepared by spray solution combustion synthesis (SSCS) and their structural and magnetic properties were characterized by mathematical modeling and experimentall...

R. V. Minin, V. A. Zhuravlev, O. V. Lapshin… in International Journal of Self-Propagating … (2020)

Article

Aspects of the Formation of Tin Oxide under Annealing of Nanopowders Obtained by Pulsed Laser Ablation of Metallic Tin in Aqueous Media

Nanocolloids, obtained by pulsed laser ablation (Nd:YAG laser, 1064 nm, 7 ns, 150 mJ) of metallic Sn in distilled water and also in solutions of hydrogen peroxide and nitric acid, were dried and subjected to h...

E. D. Fakhrutdinova, I. N. Lapin, V. A. Svetlichnyi in Russian Physics Journal (2019)

Article

Magnetic Properties of Soft Magnetic Alloys 5BDSR and 82K3HSR

The paper explores the size and morphology of microparticles of soft magnetic alloys 5BDSR and 82K3HSR and nanoparticles first obtained from these alloys using pulsed laser ablation in gas. The magnetic proper...

V. A. Svetlichnyi, V. B. Balashov, I. N. Lapin, A. É. Sokolov… in Russian Physics Journal (2019)

Article

Ti, Ni, and TiNi Alloys in the Generation of THz Pulses and Their Use in Bolometers

A study is performed of the generation of ultrashort THz pulses in Ti, Ni, and TiNi plates, compared to Au, Ag, Cu plates. The possibility of using them as photosensitive materials in bolometers is considered....

D. M. Lubenko, V. F. Losev, Yu. M. Andreev… in Bulletin of the Russian Academy of Science… (2019)

Article

Influence of the Solvent on the Structure and Morphology of Nanoparticles Fabricated by Laser Ablation of Bulk Magnesium Targets

Ultrafine powders and colloid solutions of nanoparticles are fabricated by nanosecond pulsed laser ablation (a Nd:YAG laser, 1064 nm, 7 ns, 150 mJ, and 20 Hz) of metallic magnesium targets in water and organic...

V. A. Svetlichnyi, D. A. Goncharov, I. N. Lapin, A. V. Shabalina in Russian Physics Journal (2018)