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Hydrothermal Synthesis of Cobalt-Containing Potassium Titanate Nanoparticles 水热合成含钴钛酸钾纳米颗粒
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-24 DOI: 10.1134/S1087659625601212
N. V. Besprozvannykh, O. G. Miroshnikova, E. N. Gatina, V. L. Ugolkov, O. Yu. Sinel’shchikova
{"title":"Hydrothermal Synthesis of Cobalt-Containing Potassium Titanate Nanoparticles","authors":"N. V. Besprozvannykh,&nbsp;O. G. Miroshnikova,&nbsp;E. N. Gatina,&nbsp;V. L. Ugolkov,&nbsp;O. Yu. Sinel’shchikova","doi":"10.1134/S1087659625601212","DOIUrl":"10.1134/S1087659625601212","url":null,"abstract":"<p>This article presents the results of a study on the effect of the KOH concentration on the formation of potassium titanate nanoparticles containing cobalt under hydrothermal conditions. The synthesis of precursors is carried out by the coprecipitation method, maintaining the ratio of the initial reagents of TiCl<sub>4</sub> : Co(HСОО)<sub>2</sub>·2H<sub>2</sub>O = 3 : 1, 7 : 1, and 7.25 : 0.75. Subsequent hydrothermal treatment is carried out with solutions with a KOH concentration ranging from 2 to 10 M in increments of 2 M, at temperatures of 180, 200, and 220°C and a pressure of up to 10 MPa. The phase composition and microstructure of the synthesized samples are studied using X-ray phase analysis and scanning electron microscopy. It is shown that at an initial TiCl<sub>4</sub> : Co(HСОО)<sub>2</sub>·2H<sub>2</sub>O ratio of 7.25 : 0.75 and hydrothermal treatment at 180°C for 24 h, elongated nanoparticles (probably nanotubes or whiskers) with a diameter of about 20 nm begin to form.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 6","pages":"783 - 789"},"PeriodicalIF":0.6,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural Transformations of High-Purity Xerogel SiO2 in the Temperature Range of 300–1200°C 高纯度SiO2在300-1200℃温度范围内的结构转变
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-24 DOI: 10.1134/S1087659625600887
A. S. Burdina, K. N. Generalova, A. O. Vozyakov, I. V. Ryaposov
{"title":"Structural Transformations of High-Purity Xerogel SiO2 in the Temperature Range of 300–1200°C","authors":"A. S. Burdina,&nbsp;K. N. Generalova,&nbsp;A. O. Vozyakov,&nbsp;I. V. Ryaposov","doi":"10.1134/S1087659625600887","DOIUrl":"10.1134/S1087659625600887","url":null,"abstract":"<p>Based on synchronous thermal analysis (TGA–DSC), the structural transformations of high-purity synthetic xerogel SiO<sub>2</sub> is studied during heat treatment in various media (argon, air, and oxygen) in the temperature range of 300–1200°C. Chromatography–mass spectrometry and controlled combustion of the sample in a stream of oxygen show that the removal of organic components occurs predominantly in the temperature range of 400–600°C, but continues up to 1050°C. Analysis of porosity, specific surface area, apparent density, and Raman spectra show that in the range of 1000–1200°C, pores are closed and the structural network of the SiO<sub>2</sub> xerogel is compacted with transition to a glassy state.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 6","pages":"735 - 742"},"PeriodicalIF":0.6,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Light-Absorbing Composites Based on an Epoxy Polymer and FeO 基于环氧聚合物和FeO的吸光复合材料
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-24 DOI: 10.1134/S1087659625601030
S. K. Evstrop’ev, D. V. Bulyga, V. M. Volynkin, D. A. Gavrilova, K. N. Makarov, K. V. Dukel’skii, G. S. Polishchuk
{"title":"Light-Absorbing Composites Based on an Epoxy Polymer and FeO","authors":"S. K. Evstrop’ev,&nbsp;D. V. Bulyga,&nbsp;V. M. Volynkin,&nbsp;D. A. Gavrilova,&nbsp;K. N. Makarov,&nbsp;K. V. Dukel’skii,&nbsp;G. S. Polishchuk","doi":"10.1134/S1087659625601030","DOIUrl":"10.1134/S1087659625601030","url":null,"abstract":"<p>In this study, organo-inorganic composites based on an epoxy polymer and an FeO-containing oxide pigment are obtained and studied. The structure and morphology of the materials are examined using X-ray diffraction, electron microscopy, optical spectroscopy, and microhardness measurements. It is shown that the composites have a homogeneous structure and contain small (up to 100 nm) particles consisting of various iron oxides (FeO, Fe<sub>3</sub>O<sub>4</sub>, and α-Fe<sub>2</sub>O<sub>3</sub>), which exhibit strong absorption of radiation in the near-IR region of the spectrum. The resulting composites exhibit high light absorption in the near-IR spectral region and may be promising as light-absorbing elements in laser systems.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 6","pages":"690 - 696"},"PeriodicalIF":0.6,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Insulation Materials Based on ZrO2–Y2O3–Yb2O3 基于ZrO2-Y2O3-Yb2O3的保温材料
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-24 DOI: 10.1134/S1087659625601042
N. Yu. Fedorenko, O. L. Belousova, Yu. S. Kudryashova, A. M. Nikolaev, V. L. Ugolkov, T. V. Khamova, A. S. Dolgin
{"title":"Thermal Insulation Materials Based on ZrO2–Y2O3–Yb2O3","authors":"N. Yu. Fedorenko,&nbsp;O. L. Belousova,&nbsp;Yu. S. Kudryashova,&nbsp;A. M. Nikolaev,&nbsp;V. L. Ugolkov,&nbsp;T. V. Khamova,&nbsp;A. S. Dolgin","doi":"10.1134/S1087659625601042","DOIUrl":"10.1134/S1087659625601042","url":null,"abstract":"<p>Xerogels and powders in the ZrO<sub>2</sub>−Y<sub>2</sub>O<sub>3</sub>−Yb<sub>2</sub>O<sub>3</sub> system are synthesized by coprecipitation of hydroxides in a laboratory setup and in a micro-vortex jet apparatus with counterswirling flows. The effects of the initial zirconium oxynitrate concentration and synthesis conditions on the physicochemical properties of the obtained materials are revealed. Ceramics based on <i>t</i>-ZrO<sub>2</sub> are obtained, exhibiting high microhardness, elastic modulus, and coefficients of linear thermal expansion (CLTE), which makes them promising for use as thermal insulation materials.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 6","pages":"697 - 703"},"PeriodicalIF":0.6,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of Geopolymeric Kaolinite/Clinoptilolite Matrices for Radioactive Waste Disposal 放射性废物处理用高岭石/斜发沸石地聚合物基质的研制
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659625600759
A. A. Alekseev, A. V. Kuz’mina, E. Yu. Brazovskaya, Yu. A. Alikina, L. N. Kurilenko, O. Yu. Golubeva
{"title":"Development of Geopolymeric Kaolinite/Clinoptilolite Matrices for Radioactive Waste Disposal","authors":"A. A. Alekseev,&nbsp;A. V. Kuz’mina,&nbsp;E. Yu. Brazovskaya,&nbsp;Yu. A. Alikina,&nbsp;L. N. Kurilenko,&nbsp;O. Yu. Golubeva","doi":"10.1134/S1087659625600759","DOIUrl":"10.1134/S1087659625600759","url":null,"abstract":"<p>Geopolymer matrices based on alkali-activated natural aluminosilicates—kaolinite and clinoptilolite—are obtained. Their potential application for the immobilization of radionuclides is studied using Cs<sup>+</sup> as an example. The optimal kaolinite/clinoptilolite ratios are determined, enabling the production of matrices with compressive strengths of up to 40 MPa and an immobilized cesium content of up to 1.5 wt % (as Cs<sub>2</sub>O). The leaching rate of Cs<sup>+</sup> from the geopolymer matrix is estimated in aqueous and alkaline environments. It is shown that geopolymer matrices are promising materials for the disposal of radioactive waste.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"637 - 641"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Replacement of SiO2 ↔ (Al2O3 + BaO) on the Structure and Properties of Alkali-Free Silicate Glasses 替换SiO2↔（Al2O3 + BaO）对无碱硅酸盐玻璃结构和性能的影响
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659624600935
N. T. Shardakov, A. V. Kuchugurov
{"title":"Effect of Replacement of SiO2 ↔ (Al2O3 + BaO) on the Structure and Properties of Alkali-Free Silicate Glasses","authors":"N. T. Shardakov,&nbsp;A. V. Kuchugurov","doi":"10.1134/S1087659624600935","DOIUrl":"10.1134/S1087659624600935","url":null,"abstract":"<p>The effect of replacing silicon dioxide with a combination of aluminum and barium oxides in alkali-free silicate glasses is studied. The concentration of silicon dioxide in the series of glasses studied decreases from 49 to 34 mol %, while that of aluminum oxide and barium oxide increases from 4 to 9 and from 15 to 24 mol %, respectively. The content of the remaining oxides remains constant. The elemental and phase composition of the glasses is determined using inductively coupled plasma spectroscopy, energy-dispersive spectroscopy, X-ray diffraction, and scanning electron microscopy; the thermal properties are determined using differential scanning calorimetry and dilatometry; and the structure of the glasses is determined using Raman spectroscopy and infrared spectroscopy. It is shown that replacing silicon dioxide with a mixture of aluminum and barium oxides does not lead to a noticeable change in the structure of the glass or its structure-sensitive properties, such as the coefficient of linear thermal expansion (CLTE) and glass transition temperature <i>T</i><sub>g</sub>, as well as the transition to a fluid state temperature <i>T</i><sub>f</sub>. During heat treatment of glass, crystals precipitate depending on the composition and temperature: coesite, celsian, or double barium–calcium silicate.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"579 - 588"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Strategy to Improve the Magnetic and Visible Light Induced Photocatalytic Properties of KBiFe2O5 提高KBiFe2O5磁性和可见光诱导光催化性能的策略
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659625600097
B. Ramakrishna, P. H. K. Charan, Ch. Jagadeesh, T. Gunavardhana Naidu, M. Ramanaiah
{"title":"Strategy to Improve the Magnetic and Visible Light Induced Photocatalytic Properties of KBiFe2O5","authors":"B. Ramakrishna,&nbsp;P. H. K. Charan,&nbsp;Ch. Jagadeesh,&nbsp;T. Gunavardhana Naidu,&nbsp;M. Ramanaiah","doi":"10.1134/S1087659625600097","DOIUrl":"10.1134/S1087659625600097","url":null,"abstract":"<p>The recently identified intriguing room-temperature multiferroic photoactive material KBiFe<sub>2</sub>O<sub>5</sub> (KBFO) has potential uses in visible light-induced photocatalysis for environmental clean-up and photovoltaics for solar energy harvesting. We adopted the addition of polymeric surfactant polyvinylpyrrolidone (PVP) via sol-gel route, to improve the magnetic and visible light induced photocatalytic properties of KBFO, and thus obtained results are reporting here. The addition of PVP had significant influence on the particle size and the morphology of the synthesized KBFO polycrystalline samples. KBFO synthesized via addition of PVP showed four time’s higher magnetization value and double rate constant when compared to KBFO obtained without addition of PVP. The improved in magnetic and photocatalytic properties of KBFO is attributed to larger surface area and regular shaped morphology. The obtained results provide deeper understanding of relation between the material processing, morphology and its influence on the physical properties.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"503 - 510"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Channel Geometry in Honeycomb Catalyst Carriers Fabricated by Additive Manufacturing on Carbon Monoxide Oxidation Activity 增材制造蜂窝催化剂载体通道几何形状对一氧化碳氧化活性的影响
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659625600425
M. M. Sychev, A. S. Dolgin, O. A. Cheremisina, A. Yu. Postnov, E. I. Sysoev
{"title":"Influence of Channel Geometry in Honeycomb Catalyst Carriers Fabricated by Additive Manufacturing on Carbon Monoxide Oxidation Activity","authors":"M. M. Sychev,&nbsp;A. S. Dolgin,&nbsp;O. A. Cheremisina,&nbsp;A. Yu. Postnov,&nbsp;E. I. Sysoev","doi":"10.1134/S1087659625600425","DOIUrl":"10.1134/S1087659625600425","url":null,"abstract":"<p>It is shown that twisting the channels of the honeycomb catalyst carrier can significantly increase its activity in carbon monoxide oxidation. The primary catalyst support based on α-Al<sub>2</sub>O<sub>3</sub> is fabricated using a 3D-printing technology developed by the authors. A catalytically active layer is formed on the surface of the primary support by impregnation to incipient wetness using a coating suspension containing copper, cobalt, and cerium oxides; finely dispersed γ-Al<sub>2</sub>O<sub>3</sub>; boehmite; nitric acid; and water.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"601 - 611"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Materials Based on the ZrO2–Yb2O3–CeO2 System for Solid Electrolytes: Synthesis and Properties 基于ZrO2-Yb2O3-CeO2体系的固体电解质材料：合成与性能
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659625600681
O. L. Belousova, N. Yu. Fedorenko, D. S. Ershov, O. Yu. Shorets, A. M. Nikolaev, T. V. Khamova
{"title":"Materials Based on the ZrO2–Yb2O3–CeO2 System for Solid Electrolytes: Synthesis and Properties","authors":"O. L. Belousova,&nbsp;N. Yu. Fedorenko,&nbsp;D. S. Ershov,&nbsp;O. Yu. Shorets,&nbsp;A. M. Nikolaev,&nbsp;T. V. Khamova","doi":"10.1134/S1087659625600681","DOIUrl":"10.1134/S1087659625600681","url":null,"abstract":"<p>Xerogels are obtained in ZrO<sub>2</sub>–Yb<sub>2</sub>O<sub>3</sub>–CeO<sub>2</sub> system by the hydroxide co-precipitation method. Their physicochemical properties are studied. The effect of composition on phase formation in powders and ceramics based on zirconium dioxide is revealed. Ceramic materials based on c-ZrO<sub>2</sub> are obtained that exhibit high specific electrical conductivity, making them promising for use as electrolytes in solid oxide fuel cells (SOFC).</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"612 - 623"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystallization of Quartz Glass 石英玻璃的结晶
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2026-02-20 DOI: 10.1134/S1087659625600450
A. I. Nepomnyashchikh, A. P. Zhaboedov, M. D. Zimin, T. Yu. Garmysheva, E. V. Kaneva, A. M. Fedorov, A. A. Shalaev, A. K. Subanakov
{"title":"Crystallization of Quartz Glass","authors":"A. I. Nepomnyashchikh,&nbsp;A. P. Zhaboedov,&nbsp;M. D. Zimin,&nbsp;T. Yu. Garmysheva,&nbsp;E. V. Kaneva,&nbsp;A. M. Fedorov,&nbsp;A. A. Shalaev,&nbsp;A. K. Subanakov","doi":"10.1134/S1087659625600450","DOIUrl":"10.1134/S1087659625600450","url":null,"abstract":"<p>This paper presents the results of a study obtained using the developed quantitative method for determining the crystallization resistance of quartz glass produced from quartz concentrates derived from natural quartz raw materials of different origins. It is shown that the onset temperature and kinetics of quartz glass crystallization depend not only on the purity of the quartz concentrates from which the quartz glass is melted but also on the genesis of the original quartz. Glasses obtained from superquartzites of the Eastern Sayan exhibit a higher resistance to crystallization than glasses produced from granulated quartz of the Kyshtym deposit (Urals), which indicates a significant advantage of quartzites in the production of heat-resistant quartz ceramics and crucibles for growing silicon.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 5","pages":"560 - 567"},"PeriodicalIF":0.6,"publicationDate":"2026-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147340513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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