Влияние импульсного лазерного излучения на морфологию и свойства поверхности вольфрама, имплантированного ионами гелия

Боровицкая И. В.; Пименов В. Н.; Коршунов С. Н.; Мансурова А. Н.; Масляев С. А.; Латышев С. В.; Демин А. С.; Морозов Е. В.; Г. Г. Бондаренко; Гайдар А. И.; Матвеев Е. В.; Казилин Е. Е.

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Влияние импульсного лазерного излучения на морфологию и свойства поверхности вольфрама, имплантированного ионами гелия

Вопросы атомной науки и техники. Термоядерный синтез. 2025. Т. 48. № 3. С. 135–146.

Боровицкая И. В., Пименов В. Н., Коршунов С. Н., Мансурова А. Н., Масляев С. А., Латышев С. В., Демин А. С., Морозов Е. В., Bondarenko G., Гайдар А. И., Матвеев Е. В., Казилин Е. Е.

Research target: Materials Technologies

Language: Russian

Full text

Keywords: морфология morphology вольфрам tungsten импульсное лазерное излучение Pulsed Laser Radiation

De-Dollarization, Global Economic Integration, and Resilience in BRICS+ Economies

Economies 2026 Vol. 14 No. 07 P. 277

The increasingly rapid process of de-dollarization in the context of growing geopolitical fragmentation has significantly altered the monetary dynamics of the global economy, thereby posing important questions about economic resilience and sustainable development in the emerging world. This research investigates de-dollarization-related macro-financial conditions and their association with economic resilience in the BRICS+ countries during the ...

Added: July 14, 2026

Моделирование влияния температуры на взаимодействие катода с тонкой диэлектрической пленкой и плазмы тлеющего газового разряда в смеси аргона и паров ртути

Г. Г. Бондаренко, Кристя В. И., Савичкин Д. О. et al., Поверхность. Рентгеновские, синхротронные и нейтронные исследования 2026 № 4 С. 29–36

Сформулирована модель тлеющего газового разряда в смеси аргона и паров ртути при наличии на поверхности катода тонкой диэлектрической пленки. Рассчитаны зависимости характеристик разряда от температуры в интервале ее изменения, в котором заметный вклад в ионизацию рабочей газовой смеси дает ионизация атомов ртути метастабильными возбужденными атомами аргона (реакция Пеннинга). Показано, что в случае катода без диэлектрической пленки при повышении температуры до ...

Added: June 20, 2026

Unique morphology and ecology lifestyle of a new craniiform brachiopod from the Upper Ordovician of Estonia (Baltica)

Madison A., Plandin F., Kuzmina T. et al., Palaeogeography, Palaeoclimatology, Palaeoecology 2026 Vol. 697 Article 113864

Unlike most other brachiopods, craniiforms lack a prominent pedicle, cement to a hard substrate by their ventral valve, and thereby can be easily distinguished in paleontological materials. In this study, we describe a new genus and species from the Porkuni Regional Stage of Northeastern Estonia (Baltica), corresponding to the lower part of the Hirnantian Stage ...

Added: June 15, 2026

Does the pedicle exist in craniiform brachiopods?

Plandin F., Temereva E., Zoological Journal of the Linnean Society 2025 Vol. 205 No. 2 Article zlaf139

Although Brachiopoda represent a relatively small phylum, they exhibit significant morphological diversity. One of the central issues in understanding the evolution of the ancestral brachiopod body plan pertains to the homologies among body compartments across the different brachiopod subphyla: Craniiformea, Linguliformea, and Rhynchonelliformea. In this context, the pedicle stands out as one of the most ...

Added: June 15, 2026

Structural and broadband radio-frequency properties of InGaZnO4 nanoparticles synthesized by gel decomposition method

Zirnik G., Ostovari Moghaddam A., Zhukov S. et al., Journal of Materials Science: Materials in Electronics 2026 Vol. 37 Article 738

In regards to the advances in InGaZnO for flexible transistors applications, herein for the first time we measure the broadband radio-frequency range (10 Hz to 1 MHz) dielectric permittivity ε′ and electrical conductivity σ of InGaZnO4 nanoparticle layers at different temperatures ranging from 10 to 300 K. The InGaZnO4 nanoparticles prepared by metal–nitrate–glycol gel decomposition method exhibited ...

Added: June 6, 2026

Facile and Green Approach to Synthesize Biomass-Derived Zero-/Two-Dimensional Carbon Dots/g-C3N4 Heterojunction for Efficient Photocatalytic and Photoelectrocatalytic Applications

Das A., Saikia J., Maji N. et al., ChemNanoMat 2026 Vol. 12 No. 5 Article e202500733

Developing efficient photoactive materials from bio-derived resources is vital yet challenging for achieving effective water splitting performance. In this work, nano carbon dots (CDs) of zero-dimensional (0D) were synthesized from papaya peel through a simple and eco-friendly process and subsequently anchored onto the two-dimensional (2D) layered structure of graphitic carbon nitride (g-C3N4, GCN) at various ...

Added: June 2, 2026

Optimal Design of Copper-Doped ZnO Heterostructures for Photocatalytic and Photoeletrochemical Performance: A Combined Experimental and DFT Study

Wary R. R., Mahato B., Sharma N. et al., The Journal of Physical Chemistry Letters 2026 Vol. 17 No. 17 P. 5099–5107

Development of heterojunction materials is an efficient approach for enhancing photocatalytic and photoelectrochemical processes. We develop a ZnO/CuO heterojunction via Cu doping into a ZnO matrix. Structural characterization confirmed that Cu was effectively incorporated into ZnO without any structural changes. The improved optical properties and reduced charge carrier recombination of the doped samples were confirmed ...

Added: June 2, 2026

Bridging Superconductors With United Nations Development Goals: Perspectives and Applications

Duran E. ., Pulgar A., Izquierdo R. et al., Physica Status Solidi (A) Applications and Materials 2026 Vol. 223 No. 7 Article e202500942

Ceramic superconductors exhibit remarkable properties, including zero electrical resistance and potent magnetic behavior, operating at temperatures as high as the boiling points of liquid nitrogen (77 K) and liquid hydrogen (20 K). These characteristics position them as key enablers for sustainable technologies spanning electric propulsion, lossless energy transmission, advanced medical imaging, and quantum computation. This review presents ...

Added: June 1, 2026

Влияние материала затвора МДП-структур на процессы сильнополевой зарядовой деградации подзатворного диэлектрика

Андреев Д. В., Корнев С. А., Bondarenko G. et al., Перспективные материалы 2026 № 6 С. 5–11

Выполнено сравнительное исследование процессов сильнополевой зарядовой деградации подзатворного диэлектрика структур металл-диэлектрик-полупроводник (МДП) с алюминиевым и поликремниевым затвором. Зарядовые явления в МДП-структурах изучали методом сильнополевой инжекции электронов в диэлектрик в режиме возрастания плотности стрессового инжекционного тока с кратковременными переключениями в измерительный режим при постоянной низкой плотности инжекционного тока. Использование данного метода позволило получить новые данные о процессах зарядовой деградации подзатворного диэлектрика МДП-структур с ...

Added: May 21, 2026

Plasmonic Au-Assisted g-C3N4/CeO2 Heterojunction for Enhanced Photocatalytic Breakdown of Organic Pollutants

Rathish S., Andrey S. Vasenko, Thazhathenair A. et al., The Journal of Physical Chemistry Letters 2026 Vol. 17 No. 18 P. 5386–5394

We demonstrate and rationalize the effect of Au nanoparticles (NPs) on the hierarchical g-C3N4/CeO2 heterojunction. g-C3N4/CeO2 decorated with monodispersed plasmonic Au NPs was synthesized. Detailed analyses showed that CeO2 nanocubes and monodispersed Au NPs were evenly distributed over the 2D g-C3N4 surface, forming a robust interface enriched with abundant active sites. The structure enabled efficient separation of photogenerated charge ...

Added: May 16, 2026

The origin of enhanced photocatalytic performance in titanium dioxide via niobium doping: From experimental assessments to DFT insights

Paul R., Das A., Sharma N. et al., Colloids and Surfaces A: Physicochemical and Engineering Aspects 2026 Vol. 728 Article 138830

Niobium-doped TiO2 (Nb-TiO2), demonstrates dual functionality as an efficient photocatalyst for dye degradation and a promising photoelectrocatalyst for water oxidation. Nb incorporation via a facile hydrothermal method was confirmed by XRD (Rietveld refinement), XPS, TEM, FT-IR, Raman, and BET analyses, indicating successful lattice doping and structural modification. Photocatalytic dye degradation experiments were conducted using a model ...

Added: May 16, 2026

Perovskite nanoparticles Cs4PbBr6 and CsPbBr3: synthesis, analysis and peculiar optical properties

Гущина В. А., / Series chemrxiv-2023-vpzhz-v2 "ChemRxiv". 2023.

All-inorganic perovskite CsPbBr3 and Cs4PbBr6 nanoparticles are being intensively studied due to their unique properties and wide range of applications; however, however, the nature of their optical properties is not yet fully understood due to the difficulty of synthesis of singlephase nanoparticles. In this article we describe the features of the synthesis of single-phase particles ...

Added: May 14, 2026

CsPbBr3 and Cs4PbBr6 perovskite nanoparticles: hidden potential of Cs4PbBr6 or ineffective fluorescence?

Гущина В. А., Mendeleev Communications 2025 Vol. 35 No. 2 P. 193–195

All-inorganic perovskite CsPbBr3 and Cs4PbBr6 nanoparticles are intensively studied for their unique optical properties, though synthesizing single-phase nanoparticles has posed challenges. Detailed synthesis method of CsPbBr3 and Cs4PbBr6 single-phase nanoparticles and their chemical and phase analysis are described. Distinctive optical characteristics, such as photoluminescence, optical band gap and the Urbach tail region, are revealed and explained within the current ...

Added: May 14, 2026

SERS effect on the surface of ZnO nanorods coated with CsPbBr3

Гущина В. А., Physics of Complex System 2026 Vol. 7 No. 1 P. 3–15

Heterostructures based on ZnO nanorods and CsPbBr3 nanocrystals were investigated for their potential as semiconductor SERS substrates. We found that ZnO morphology governs the efficiency of interfacial energy transfer, leading to enhanced photoluminescence under 390 nm excitation and a noticeable reduction of the bandgap in the composites. Raman analysis revealed a pronounced intensity enhancement and ...

Added: May 14, 2026

Synthesis, Structures, and Optical Properties of Semiconductor Perovskite Nanoparticles CsBX3 (B = Pb, Mn; X = Br, Cl)

Гущина В. А., Russian Journal of Inorganic Chemistry 2024 Vol. 69 No. 6 P. 940–948

Currently, ABX3 nanoparticles (NPs) based on lead halides attract the attention due to their unique optical properties and a wide range of applications. The preparation of NPs with lead as a partial or complete replacement is particularly interesting because of the toxicity of this chemical element and most of its compounds. In this study, we propose a ...

Added: May 6, 2026

Impact on Aluminum Alloy B95 by Powerful Pulsed Ion-Plasma and Electron Flows in the Plasma Focus Device

Morozov E. V., Demin A. S., Borovitskaya I. V. et al., Inorganic Materials: Applied Research 2026 Vol. 17 No. 3 P. 619–626

This article presents the results of experiments on the impact of powerful pulsed ion-plasma and electron flows generated in the working chamber of the Plasma Focus PF-5M installation during each highvoltage discharge on a model aluminum alloy B95. It is shown that the general characteristics of the alloy’s damage upon exposure to pulsed flows of helium ions (HI) ...

Added: May 4, 2026

Synthesis and Properties of a Composite Material Based on Polyethylene, Bismuth Oxide, and Boron Carbide

Pavlenko V. I., Bondarenko G.G., Cherkashina N. I. et al., Inorganic Materials: Applied Research 2026 Vol. 17 No. 2 P. 276–282

A composite material based on polyethylene, boron carbide (B4C), and bismuth oxide (Bi2O3) is synthesized by the method of joint cryogenic milling of all components in liquid nitrogen environment followed by pressing. The effect of cryogenic milling on the distribution of fillers in a composite is studied and the prospects of using this method are assessed in comparison ...

Added: April 9, 2026

Гибкий полимерный композит на основе каучука с оксидами редкоземельных металлов для защиты от радиации

Черкашина Н. И., Павленко В. И., Bondarenko G. et al., Перспективные материалы 2026 № 4 С. 14–26

В данной работе представлен синтез гибкого полимерного композита для защиты от радиации на основе каучуковой матрицы и оксидов редкоземельных металлов, таких как Dy2O3 и Gd2O3, предназначенного для создания радиационно-защитных экранов и средств индивидуальной защиты. Исследованы его физико-механические характеристики: составы с добавлением оксида диспрозия имеют плотность от 1,31 до 2,44 г/см3, предел прочности при растяжении от ...

Added: April 2, 2026

Quantum Simulation of Carrier Dynamics in Nanographene-fused Carbaporphyrin Tweezers@C60 Heterojunctions: Role of Dihedral Angle Engineering

Chowdhury U., Sarkar R., Sarkar P. et al., Nanoscale 2026 No. 15 P. 8115–8126

Added: April 1, 2026

Rubic2: Ensemble Model for Russian Lemmatization

Afanasev I., Glazkova A., Lyashevskaya O. et al., , in: Proceedings of the 10th Workshop on Slavic Natural Language Processing (Slavic NLP 2025).: Association for Computational Linguistics, 2025. P. 157–170.

Pre-trained language models have significantly advanced natural language processing (NLP), particularly in analyzing languages with complex morphological structures. This study addresses lemmatization for the Russian language, the errors in which can critically affect the performance of information retrieval, question answering, and other tasks. We present the results of experiments on generative lemmatization using pre-trained language ...

Added: March 10, 2026

Исследование комбинированного воздействия ионной имплантации гелия и импульсного лазерного излучения на структуру и микротвердость поверхности сплава V–10Ti–6Cr–0.05Zr–0.1Si

Боровицкая И. В., Пименов В. Н., Коршунов С. Н. et al., Поверхность. Рентгеновские, синхротронные и нейтронные исследования 2025 № 9 С. 81–88

Исследовано влияние предварительной имплантации ионов Не+ на морфологию и микротвердость поверхности сплава ванадия V–10Ti–6Cr–0.05Zr–0.1Si при последующем воздействии мощного импульсного лазерного излучения. Конструкционные малоактивируемые материалы на основе ванадия наиболее коррозионностойкие по отношению к Li. Они перспективны для реакторов с жидкостным вариантом бланкета, где литий является теплоносителем, а тритий — воспроизводимым материалом. Имплантацию в сплав ионов гелия ...

Added: December 14, 2025

The Impact of Pulsed Helium Ion-Plasma Flows and Electron Beams Generated in the Plasma Focus Device on a Tungsten Single Crystal

Pimenov V. N., Borovitskaya I. V., Bondarenko G.G. et al., Inorganic Materials: Applied Research 2025 Vol. 16 No. 6 P. 1863–1873

Using the Plasma Focus PF-5M device, damageability, erosion, and structural changes in the surface layers of tungsten single-crystal samples caused by exposure to pulsed electron beams are studied in comparison with pulsed irradiation by combined flows of helium ions and helium plasma with the following parameters: power density qe = 5 × 108 W/cm2 for electrons; qipl = ...

Added: November 21, 2025

Damageability of the Surface Layer of V–Ti–Cr Alloy under Successive Exposure to Argon Ions and Pulsed Laser Radiation

Borovitskaya I. V., Korshunov S. N., Mansurova A. N. et al., Inorganic Materials: Applied Research 2025 Vol. 16 No. 6 P. 1821–1827

The effect of preliminary irradiation with argon ions (energy of 20 keV, dose of 2.0 × 1022 m–2, Tirr ∼ 700 K) and subsequent exposure to pulsed laser radiation (LR) with a power density of q ∼ 1.2 × 1012 W/m2, pulse duration τ0 = 50 ns, and the number of pulses from 1 to 4 on ...

Added: November 20, 2025

Особенности повреждаемости поверхностных слоев монокристаллического вольфрама под воздействием мощных импульсных потоков ионов гелия и плазмы

Боровицкая И. В., Пименов В. Н., Масляев С. А. et al., Металлы 2025 № 4 С. 93–103

Проведено исследование структурного состояния и микротвердости поверхностного слоя образцов монокристаллического вольфрама после воздействия импульсными потоками ионов He+ и гелиевой плазмы, генерируемыми в установке Плазменный фокус «Вихрь» (ИМЕТ РАН). Параметры облучения: плотность мощности плазмы 108 Вт/см2 и ионов 2·109 Вт/см2 при длительности воздействия плазмы и ионов 100 и 20 нс соответственно; число импульсных воздействий 15; энергия ионов гелия ~100 кэВ; ...

Added: October 10, 2025