?
Experimental research of the regularities of iron-bearing ore desulfurization for the temperature conditions of liquid phase sintering
CIS Iron and Steel Review. 2024. Vol. 28. P. 4–8.
Dli M. I., Bobkov V. A., Bykov A. A., Kulyasov N.S.
The results of experimental analysis of the regularities of chemical and metallurgical process of iron-bearing ore desulfurization for different conditions of liquid phase sintering are presented. This process is conducted with addition of catalytic impurities and variation of chemical composition of the heat-carrying gas, in order to reveal the optimal procedure of chemical and metallurgical process of ore smelting, which provide maximal possible removal of impurities from ore composition. It was found out for iron-bearing ore raw material that the rate and temperature conditions of impurities sintering depend on chemical composition of additives and physical state of initial material. The data about the chemical and metallurgical process of iron-bearing ore desulfurization, depending on ore coarseness and addition of solid fuel at low temperature during smelting process, are obtained. It was also established that lowering of the starting temperature for impurities decomposition and acceleration of desulfurization in the area of charge heating can be achieved via charge fluxing by fluorine-containing limestone and decrease of oxygen content in a gaseous phase. Essential deviations from solid phase procedures in the mechanism of sulphate decomposition at the temperatures of liquid phase sintering are revealed. Analysis of the experimental data allowed to establish necessity of introduction of the dual-stage route in the technological process of ironbearing ore desulfurization; this route includes solid phase and liquid phase removal of sulfuric impurities, while liquid phase removal should be implemented with high oxidation degree of the slag phase.
Andreev D. V., Kornev S. A., Bondarenko G.G. et al., Inorganic Materials: Applied Research 2026 Vol. 17 No. 5 P. 1226–1230
Comparative studies are carried out to investigate high-field charge degradation effects in the gate
dielectric of metal—insulator—semiconductor (MIS) structures with aluminum and polysilicon gates.
Charging phenomena in MIS structures are explored using high-field electron injection into the dielectric
under conditions of gradually increasing voltage current density, with periodic short-term switching to a measurement
mode at a constant low injection ...
Added: September 15, 2026
Cherkashina N. I., Pavlenko V. I., Bondarenko G.G. et al., Inorganic Materials: Applied Research 2026 Vol. 17 No. 5 P. 1247–1257
The description is given to the synthesis of a flexible polymer composite for radiation protection
based on a rubber matrix and rare-earth metal oxides (Dy2O3 and Gd2O3). The physico-mechanical parameters
are established for the compositions with dysprosium oxide as follows: the density ranging from 1.31 to
2.44 g/cm3, tensile strength is staying between 6.06 and 1.72 MPa. In ...
Added: September 15, 2026
P. M. Marychev, A. A. Shanenko, Physical Review B: Condensed Matter and Materials Physics 2026 Vol. 114 No. 7 Article 074509
We investigate the effect of weak interband impurity scattering on the intertype (IT) domain between type-I and type-II superconductivity in diffusive two-band superconductors. Our results show that the significant broadening of the IT domain with increasing band diffusivity ratio, previously established in the absence of interband scattering, persists under weak interband scattering. However, depending on ...
Added: September 7, 2026
Tomayeva M., Vyacheslav D. Neverov, Arkady A. Shanenko et al., Physical Review B: Condensed Matter and Materials Physics 2026 Vol. 114 No. 2 Article 024516
We report a thermally driven structural crossover of vortex matter in a two-dimensional superconducting Penrose quasicrystal. At low temperatures, vortices are pinned by the quasiperiodic lattice, forming an aperiodic pattern. With increasing temperature, vortex-vortex interactions dominate, leading to a conventional triangular Abrikosov lattice. Our findings reveal a tunable interplay between intrinsic pinning and vortex interactions, ...
Added: September 5, 2026
Неверов В. Д., Красавин А. В., Vagov A. et al., Physical Review B: Condensed Matter and Materials Physics 2026 Vol. 113 P. 1–6
We develop a neural network approach to solve the self-consistent Bogoliubov-de Gennes equations in strongly disordered s-wave superconductors. The method accurately reproduces inhomogeneous gap distributions and generalizes to system sizes far larger than those used in training. It reduces computational scaling from O(N6 ) to O(N2), enabling quantitative analysis of percolation phenomena and the superconductor-insulator ...
Added: September 5, 2026
Бондаренко Г.Г., Фишер М. Р., Кристя В. И., Известия РАН. Серия физическая 2026 Т. 90 № 4 С. 867–874
Сформулирована модель катодного слоя тлеющего газового разряда при наличии на
части рабочей поверхности катода тонкой диэлектрической пленки. Показано, что переход тлеющего разряда в дуговой разряд, сопровождающийся значительным увеличением плотности разрядного тока и уменьшением катодного падения напряжения, происходит наиболее быстро, если
пленка занимает примерно половину поверхности катода. ...
Added: September 4, 2026
Danil Kobtsev, Jarashneli A., Maman N. et al., Applied Sciences (Switzerland) 2026 Vol. 16 No. 17 Article 8577
AIVBVI semiconductors, particularly lead chalcogenides, remain key materials for mid-wave infrared (MWIR) photodetection due to their narrow bandgap and exceptional carrier transport properties. However, the realization of high-quality p-type PbTe thin films, suitable for p–n junction devices, remains a technological challenge. In this work, we report the fabrication of high-mobility p-type PbTe thin films grown on ...
Added: August 30, 2026
G. G. Bondarenko, Kristya V. I., Savichkin D. O. et al., Journal of Surface Investigation: X-Ray, Synchrotron and Neutron Techniques 2026 Vol. 20 No. 2 P. 417–423
A model of a glow gas discharge in a mixture of argon and mercury vapor is formulated in the presence
of a thin insulating film on the cathode surface. Dependences of the discharge characteristics on the
mixture temperature are calculated in the range of its variation, in which a noticeable contribution to ionization
of the working gas is ...
Added: August 1, 2026
Dmitry Vasilyev, Gorev V., Ikhsanov R. et al., Journal of Materials Science 2026 No. 61 P. 25452–25470
The orthorhombic phase of 𝛼-Mo2 C is a key component in electrocatalytic applications, as Mo2C-based catalysts can exhibit catalytic performance comparable to or exceeding that of noble metals. Despite its technological relevance, theoretical understanding of the anisotropy in the thermal expansion and related thermoelastic properties of 𝛼-Mo2 C remains limited. In this work, first-principles calculations ...
Added: July 23, 2026
Borovitskaya I. V., Pimenov V. N., Korshunov S. N. et al., Physics of Atomic Nuclei 2026 Vol. 89 No. 1 P. S48–S55
The effect of high-power pulsed laser radiation (LR) generated in the GOS 1001 setup in the
Q-modulated mode (with a flux power density q equal to 1 × 1014 W/m2, pulse duration t = 50 ns, and the
number of pulses N from 1 to 8 in vacuum) on the structure and microhardness of the surface of ...
Added: July 22, 2026
Kilinc N., ALI I., Economies 2026 Vol. 14 No. 7 Article 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
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
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
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
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
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
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
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
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
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
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
IEEE, 2025.
THERMINIC is the major European Workshop related to thermal and reliability issues in electronic components and systems. For academics and industrialists involved in micro and power electronics this annual event promises to be a very special occasion with a high quality technical programme and exciting social events. ...
Added: November 5, 2025
Shelepenkov D., Essel A., Kosonogov V., American Journal of Physiology - Regulatory Integrative and Comparative Physiology 2025 Vol. 329 No. 1 P. R81–R85
Introduction. Skin temperature has been recognized as a potential marker of emotional arousal, with studies demonstrating temperature changes in response to various emotional stimuli. However, temperature in different body parts and in different basic emotions has not been studied sufficiently. Our study aimed to investigate whether basic emotions could be reflected in temperature changes at ...
Added: March 22, 2025
Chuvilin E., Bukhanov B., Yurchenko A. et al., Marine and Petroleum Geology 2022 Vol. 138 Article 105550
Significant reserves of methane (CH4) are held in the Arctic shelf, but the release of CH4 to the overlying ocean and, subsequently, to the atmosphere has been believed to be restricted by impermeable subsea permafrost, which has sealed the upper sediment layers for thousands of years. Our studies demonstrate progressive degradation of subsea permafrost which controls ...
Added: September 30, 2024