Glass Physics and Chemistry最新文献

{"title":"Investigation of Fritless Glazes for Using in Tile Industries","authors":"Zahra Mahmoudi,&nbsp;Hamid Reza Rezaie,&nbsp;Hossein Ghassai","doi":"10.1134/S108765962460011X","DOIUrl":"10.1134/S108765962460011X","url":null,"abstract":"<p>In this research, the process is presented to remove the solubility of raw materials in water instead of frittic process. Therefore a suitable glaze for single fast firing floor tile consisted of 80 wt % raw glaze and 20 wt % frit was considered. An initial batch of frittic glaze including silicate, calcite, soda, and acid boric becomes a low soluble compound first by melting and quenching in water (frittic process) and also by firing at different temperatures that firing causes the formation of low solubility phase. Then these glazes mixed with 80 wt % raw glaze. Glazes slip applied on the dried floor tile bodies and then fired in fast firing kiln. Properties of glazes (thermal expansion coefficient, <i>T</i>_g, micro-hardness) were compared. Also by X-ray diffraction analysis and solubility analysis proved low soluble phases formed in glaze by firing initial batch of frit at 800°C.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 2","pages":"163 - 168"},"PeriodicalIF":0.6,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832017","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}

{"title":"Thermal and Chemical Stability of Composite Ceramic Matrices Based on Zircon","authors":"A. A. Akatov,&nbsp;V. L. Ugolkov,&nbsp;A. V. Osipov,&nbsp;L. P. Mezentseva,&nbsp;Y. S. Kudryashova,&nbsp;R. S. Abiev","doi":"10.1134/S1087659625600103","DOIUrl":"10.1134/S1087659625600103","url":null,"abstract":"<p>Synthesis of precursor powders was performed by microreactor technique in a two-step microreactor with intensively swirled reagent flows. Ceramic samples (matrices) (1 – <i>х</i>)ZrSiO₄‒<i>х</i>ZrO₂ were obtained by sintering nano-sized precursor powders in the 1000–1300°C temperature range in air. X-ray phase analysis has shown that at a temperature of 1300°C, partial decomposition of zircon was observed with the formation of a silicon oxide. Their thermal behavior was studied by dilatometry, and the temperature coefficient of linear expansion was accessed. The chemical stability of the obtained ceramic matrices was evaluated by the method of prolonged leaching in distilled water, more precisely, by the release into the contact liquid of both matrix components (Zr, Si) and specially introduced radionuclides (¹³⁷Cs, ⁹⁰Sr, ¹⁵²Eu). The samples exhibited sufficiently high chemical stability, which allows us to consider them as a possible matrix material for immobilization of high-level waste.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 2","pages":"195 - 203"},"PeriodicalIF":0.6,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832020","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}

{"title":"Cluster Self-Organization of Intermetallic Systems: K3, K4, and K6 Clusters-Precursors for the Self-Assembly of Li28Cu4Si8-oP40, La12Rh12Al16-oP40, and Ca8Pt12Sn20-oP40 Crystal Structures","authors":"V. Ya. Shevchenko,&nbsp;G. D. Ilyushin","doi":"10.1134/S1087659624601151","DOIUrl":"10.1134/S1087659624601151","url":null,"abstract":"<p>Using computer methods (the ToposPro software package), a combinatorial-topological analysis and modeling of the self-assembly of Li₂₈Cu₄Si₈-<i>oP</i>40 (<i>a</i> = 7.969 Å, <i>b</i> = 4.449 Å, <i>c</i> = 17.244 Å, <i>V</i> = 611.46 ų), La₁₂Rh₁₂Al₁₆-<i>oP</i>40 (<i>a</i> = 26.949Å, <i>b</i> = 4.218Å, <i>c</i> = 7.267 Å, <i>V</i> = 826.05 ų), and Ca₈Pt₁₂Sn₂₀-<i>oP</i>40 (<i>a</i> = 27.701 Å, <i>b</i> = 4.614 Å, <i>c</i> = 9.371 Å, <i>V</i> = 1198.02 ų) crystalline structures with the <i>Pnma</i> space group are carried out<i>.</i> For Li₂₈Cu₄Si₈-<i>oP</i>40, the self-assembly of the crystal structure with the participation of supraclusters-trimers from <i>K</i>6(4a) = 0@6(Li₄Cu₂) clusters, two clusters <i>K</i>6(8d) = 0@6 (CuLi₅), and Si spacer atoms is considered. For La₁₂Rh₁₂Al₁₆-<i>oP</i>40, the self-assemblies of the crystal structure with the participation of <i>K</i>3(8d) = 0@3(LaRhAl) clusters and <i>K</i>6(4a) = 0@6(La₂Rh₂Al₂) clusters from the linked LaRhAl clusters and <i>K</i>4(8d) = 0@4(LaRhAl₂) clusters are considered. For Ca₈Pt₁₂Sn₂₀-<i>oP</i>40, the self-assembly of the crystal structure from clusters-precursors in the form of the <i>K</i>6 = 0@6(CaSn₃Pt₂) double tetrahedra and <i>K</i>4 = 0@4(CaSn₂Pt) tetrahedra is considered. The symmetry and topological code of the processes of the self-assembly of Li₂₈Cu₄Si₈-<i>oP</i>40, La₁₂Rh₁₂Al₁₆-<i>oP</i>40, and Ca₈Pt₁₂Sn₂₀-<i>oP</i>40 from <i>K</i>3, <i>K</i>4, and <i>K</i>6 clusters-precursors are reconstructed in the following form: primary chain → layer → framework.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"15 - 23"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145165656","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}

{"title":"Photocatalytic Composite Based on Aluminum Silicate Wool","authors":"D. V. Bulyga,&nbsp;S. K. Evstropiev,&nbsp;D. A. Gavrilova,&nbsp;Yu. F. Podrukhin,&nbsp;K. V. Dukelskii,&nbsp;G. S. Polishchuk,&nbsp;I. V. Bagrov","doi":"10.1134/S1087659624601035","DOIUrl":"10.1134/S1087659624601035","url":null,"abstract":"<p>It is established that the ZnO–Al₂O₃ oxide coating formed on the surface of aluminosilicate fibers contains hexagonal 13-nm ZnO crystals. The obtained composites demonstrate intense generation of singlet oxygen under the influence of UV radiation. Increasing the radiation power density provided a significant increase (+60%) in the intensity of singlet oxygen generation. It is established that the application of an oxide coating significantly accelerates the processes of adsorption of the aniline blue organic dye from aqueous solutions on the surface of fibers and its photocatalytic decomposition under the influence of near-UV radiation. The kinetics of the dye adsorption process are clearly described by a pseudo-second-order kinetic equation. The application of an oxide coating on the surface of the fibers significantly accelerates the photolysis processes of the dye in the solution. The photolytic decomposition rate of the dye in solution is described by a pseudo-second-order kinetic equation.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"93 - 101"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166648","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}

{"title":"Cluster Self-Organization of Intermetallic Systems: K3, K4, and K6 Clusters-Precursors for the Self-Assembly of Y8Rh12Sn20-oS40, Lu16Zn20Ge24-oS60, and Ba8Ir16In52-oS76 Crystal Structures","authors":"V. Ya. Shevchenko,&nbsp;G. D. Ilyushin","doi":"10.1134/S1087659624601060","DOIUrl":"10.1134/S1087659624601060","url":null,"abstract":"<p>Using computer methods (the ToposPro software package), combinatorial-topological analysis and modeling of the self-assembly of Y₈Rh₁₂Sn₂₀-<i>oS</i>40 (<i>a</i> = 4.387 Å, <i>b</i> = 26.212 Å, <i>c</i> = 7.155Å, <i>V</i> = 822.77 ų), Lu₁₆Zn₂₀Ge₂₄-<i>oS</i>60 (<i>a</i> = 4.179 Å, <i>b</i> = 18.368 Å, <i>c</i> = 15.050 Å, <i>V</i> = 1155.24 ų), and Ba₈Ir₁₆In₅₂-<i>oS</i>76 (<i>a</i> = 4.485 Å, <i>b</i> = 29.052 Å, <i>c</i> = 13.687 Å, <i>V</i> = 1783.63 ų) crystal structures with the <i>Cmc</i>2₁(36) space group are carried out. For Y₈Rh₁₂Sn₂₀-<i>oS</i>40, 18 variants for identifying cluster structures with the number of clusters <i>N</i> = 1 (variant 1), 2 (variant 11), and 3 (6 variants) are established. The variant of the self-assembly of a crystal structure with the participation of clusters-precursors forming the packing in the form of the <i>K</i>6 = 0@6(YSn₃Rh₂) and tetrahedra <i>K</i>4 = 0@4(YSn₂Rh) double tetrahedra is considered. For Lu₁₆Zn₂₀Ge₂₄-<i>oS</i>60, 66 variants are established for identifying cluster structures with the number of clusters <i>N</i> = 1 (1 variant), 2 (25 variants), 3 (20 variants), and 4 (20 variants). The variant of the self-assembly of a crystal structure with the participation of <i>K</i>3(D1) = 0@3(Lu Ge₂), <i>K</i>3(D2) = 0@3(Lu Zn Ge), <i>K</i>3(D3) = 0@3(Lu Zn Ge), <i>K</i>3(D4) = 0@3Lu Zn Ge), and <i>K</i>3(D5) = 0@3(GeZn₂) 3-atom clusters-precursors forming the packing is considered. For Ba₈Ir₁₆In₅₂-<i>oS</i>76, 129 variants are established of the allocation of cluster structures with the number of clusters <i>N</i> = 2 (36 variants) and <i>N</i> = 3 (103 variants). The variant of the self-assembly of a crystal structure with the participation of the clusters-precursors forming the packing is considered: <i>K</i>6 = 0@6(BaIn5) pentagonal pyramids, <i>K</i>4a = 0@4(BaRhIn2) tetrahedra and <i>K</i>4b = 0@4(Rh₂In2) tetrahedra, <i>K</i>3 = 0@4(RhIn₂) rings, and In spacer atoms. The symmetry and topological code of the self-assembly processes of the Y₈Rh₁₂Sn₂₀-<i>oS</i>40, Lu₁₆Zn₂₀Ge₂₄-<i>oS</i>60, and Ba₈Ir₁₆In₅₂-<i>oS</i>76 crystal structure from <i>K</i>3, <i>K</i>4, and <i>K</i>6 clusters-precursors in the following form is reconstructed: primary chain → layer → framework.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"1 - 14"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145165659","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}

{"title":"Influence of the Synthesis Conditions on the Properties of Powders and Ceramics Based on Zirconium Dioxide Partially Stabilized by Yttrium Oxide","authors":"N. Yu. Fedorenko,&nbsp;O. L. Belousova,&nbsp;S. V. Myakin,&nbsp;Yu. S. Kudryashova,&nbsp;T. V. Khamova,&nbsp;A. S. Dolgin,&nbsp;R. Sh. Abiev","doi":"10.1134/S1087659624601357","DOIUrl":"10.1134/S1087659624601357","url":null,"abstract":"<p>Xerogel in the ZrO₂–Y₂O₃ system s are obtained by using the traditional method of coprecipitation of hydroxides and in a microreactor with countercurrent intensely swirling flows of reagents. Their physical and chemical properties are studied. The patterns of influence of the synthesis method on the phase composition of powders and ceramics based on zirconium dioxide are revealed. Ceramic materials with high strength characteristics, consisting of a mixture of cubic and tetragonal modifications of ZrO₂ are obtained.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"111 - 118"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166646","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}

{"title":"Effect of Glass Former Concentration on Spectroscopic and Laser Properties of Telluro-Borate Glasses Doped with Sm3+ Ions","authors":"M. Shoaib,&nbsp; Ataullah,&nbsp;I. Khan,&nbsp;Nouf H. Alotaibi,&nbsp;Saikh Mohammad,&nbsp;G. Rooh,&nbsp;I. Ullah,&nbsp;F. Qiao","doi":"10.1134/S1087659624600054","DOIUrl":"10.1134/S1087659624600054","url":null,"abstract":"<p>In this paper, we studied the Na₂O–CaO–B₂O₃–TeO₂–Sm₂O₃ (labeled as NCBT-Sm) for the physical, optical, and luminescence properties of the NCBT-Sm glasses. The XRD study confirmed the amorphous nature of the glass. The density and molar volume increase with increasing concentration of TeO₂. We found four emission peaks located at 562, 597, 644 and 706 nm corresponding to ⁴<i>G</i>_5/2 → ⁶<i>H</i>_5/2, ⁴<i>G</i>_5/2 → ⁶<i>H</i>_7/2, ⁴<i>G</i>_5/2 → ⁶<i>H</i>_9/2 and ⁴<i>G</i>_5/2 → ⁶<i>H</i>_{1 1/2} transitions respectively. The emission and absorption spectra were analyzed using the Judd–Ofelt theory to calculate various spectroscopic parameters, such as emission cross-section, radiative transition probability, branching ratios, and stimulated emission cross-section. The color coordinates of all the glass samples lie in the orange region of the Commission International de l’Eclairage (CIE) diagram. The results obtained in the present work show that these glasses may be a potential candidate for LED applications.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"24 - 33"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145165657","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}

{"title":"Superhydrophobic Coating Based on Carbon Nanoparticles, Strengthened by Polymer","authors":"S. N. Kapustin,&nbsp;Yu. V. Tsykareva,&nbsp;V. I. Voshchikov,&nbsp;N. K. Golubeva","doi":"10.1134/S1087659625600139","DOIUrl":"10.1134/S1087659625600139","url":null,"abstract":"<p>A two-layer superhydrophobic coating consisting of a heating and water-repellent layer is obtained. The heating layer, which is a percolation network of carbon nanotubes (CNTs), is reinforced with a polymer to improve surface adhesion, strength, and wear resistance. Epoxy resin is used as a reinforcing polymer. Various methods of organizing a heating layer from CNTs with a reinforcing polymer are considered, and the best ones are identified for creating a heating or antistatic surface. The influence of the concentration of CNTs in the polymer on the strength of the composite is studied. Different methods of introducing nanotubes in the polymer are compared to achieve the best deagglomeration of nanoparticles. The effects of functionalization of nanotubes are tested, and an increase in the coating strength with a slight increase in conductivity is revealed. The optimal concentration of Taunit-M carbon nanoparticles for strengthening ED-20 epoxy resin is found to be 0.07% for nonfunctionalized nanotubes and 0.5–0.6% for particles with –CONH₂ in groups. It is possible to achieve a superhydrophobic state of the surface: the contact angle of wetting is 152.3 ± 0.7 and the angle of the beginning of the sliding of the droplet is 1.6 ± 0.9.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"133 - 142"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166123","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}

{"title":"Influence of the Initial Zinc Nanolayers Obtained by Magnetron Sputtering on the Properties of Thin Zinc Oxide Films Synthesized on Their Basis by Thermal Oxidation","authors":"V. V. Tomaev,&nbsp;V. A. Polishchuk,&nbsp;N. B. Leonov","doi":"10.1134/S1087659624601126","DOIUrl":"10.1134/S1087659624601126","url":null,"abstract":"<p>The morphology, structural features, and optical properties of zinc oxide films of various thicknesses, synthesized by thermal oxidation in an air atmosphere of polycrystalline zinc layers with a thickness of 10, 20, 40, 50, 60, and 80 nm, obtained by magnetron sputtering on glass substrates, are studied. The influence of the thickness of the initial layers and the size of zinc crystals on the characteristics of the crystal structure and properties of the resulting zinc oxide films, as well as the patterns of the approximation of its optical band gap and crystal lattice parameters to the values for bulk zinc oxide (ZnO) crystals with increasing film thickness, are analyzed.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"125 - 132"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166650","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}

{"title":"Studies on the Surface Morphology and Chemical Durability of Borosilicate Glass with Uranium and Rare Earths","authors":"A. Manivannan,&nbsp;P. Ravisankar,&nbsp;G. Saravanan,&nbsp;S. Sriram,&nbsp;Kitheri Joseph","doi":"10.1134/S1087659624600637","DOIUrl":"10.1134/S1087659624600637","url":null,"abstract":"<p>Indian nuclear industries emphasize on metal fuel which shows significant advantages over ceramic fuels in fast reactor fuel cycles, where sodium is used as bonding material. The sodium discharged from rejected sodium bonded metal fuel pins is blended with uranium and plutonium metals labelled as contaminated sodium. This contaminated sodium is converted to borosilicate glass with the addition of suitable glass formers and modifiers. Pristine borosilicate glass of known composition and doped glasses were prepared with fixed Na/Si ratio by addition of (i) U₃O₈ (5 wt %) and (ii) oxides of U, Ce, Nd, and Gd (together 5 wt %) labelled as BSGU and BSGURE respectively. Thermo-physical properties of these glasses are favourable towards safe disposal however, it is essential to evaluate aqueous alteration named as chemical durability (at 363 K) before using contaminated sodium. Surface morphology and chemical durability of pristine BSG were evaluated and compared with doped BSGs. The normalized leach rate for seven days was found to be 1.8 × 10^–4, 5.5 × 10^–5, and 4.2 × 10^–5 g cm^–2 day^–1 for pristine BSG, BSGU, and BSGURE respectively. The enhancement of chemical durability on doped glasses is due to addition of dopants.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 1","pages":"73 - 80"},"PeriodicalIF":0.6,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145165512","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}