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Sensing Properties of CdxPb1 – xS/CdS Thin-Film Structures Produced by Chemical Deposition 化学沉积法制备的 CdxPb1 - xS/CdS 薄膜结构的传感特性
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110110
A. D. Selyanina, D. A. Demina, L. N. Maskaeva, V. I. Voronin, I. O. Selyanin, V. F. Markov
{"title":"Sensing Properties of CdxPb1 – xS/CdS Thin-Film Structures Produced by Chemical Deposition","authors":"A. D. Selyanina,&nbsp;D. A. Demina,&nbsp;L. N. Maskaeva,&nbsp;V. I. Voronin,&nbsp;I. O. Selyanin,&nbsp;V. F. Markov","doi":"10.1134/S0020168523110110","DOIUrl":"10.1134/S0020168523110110","url":null,"abstract":"<p>Two-phase thin-film composites consisting of Cd<sub><i>x</i></sub>Pb<sub>1 –</sub> <sub><i>x</i></sub>S (0.007 ≤ <i>x</i> ≤ 0.068) substitutional solid solutions with a <i>B</i>1 cubic structure (sp. gr. <span>(Fmbar {3}m)</span>) and amorphous cadmium sulfide (CdS) have been produced by chemical deposition. The surface topography of the films has been studied by atomic force microscopy, and the results have been used to calculate surface microtopography parameters. A correlation has been found between the composition and functional properties of thin CdS–PbS films. The sensitivity of Cd<sub><i>x</i></sub>Pb<sub>1 –</sub> <sub><i>x</i></sub>S/CdS two-phase films to ammonia (NH<sub>3</sub>) in air has been assessed for the first time. The room-temperature detection limit for ammonia has been determined to be 10 ppm (6.22 mg/m<sup>3</sup>).</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1172 - 1181"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140884397","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 Yttrium on the Properties of Carbon Fiber-Reinforced ZrB2–SiC Composites 钇对碳纤维增强 ZrB2-SiC 复合材料性能的影响
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110092
R. A. Orbant, A. V. Utkin, D. A. Bannykh, M. A. Golosov, N. I. Baklanova
{"title":"Effect of Yttrium on the Properties of Carbon Fiber-Reinforced ZrB2–SiC Composites","authors":"R. A. Orbant,&nbsp;A. V. Utkin,&nbsp;D. A. Bannykh,&nbsp;M. A. Golosov,&nbsp;N. I. Baklanova","doi":"10.1134/S0020168523110092","DOIUrl":"10.1134/S0020168523110092","url":null,"abstract":"<p>An approach is proposed which makes it possible to lower the silicon melt infiltration temperature in the fabrication of silicon carbide/zirconium diboride matrix ceramic composites via the formation of a silicon–yttrium low-temperature eutectic. Using thermodynamic calculations, we have substantiated the addition of yttrium to a siliciding agent and demonstrated its advantages. Silicon melt infiltration into composites has been carried out for the first time at a temperature below the melting point of silicon, which has ensured a decrease in the degree of carbon fiber degradation, while allowing the matrix to retain high density and uniformity.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1212 - 1219"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140098061","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
Optical Probing Position Sensitivity Characteristics of a Photodetecting Element Based on High-Resistivity CdSe Layers 基于高电阻率硒化镉层的光探测元件的光探测位置灵敏度特性
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110031
V. I. Chukita, A. V. Voronov, M. V. Chukichev, V. S. Feshchenko
{"title":"Optical Probing Position Sensitivity Characteristics of a Photodetecting Element Based on High-Resistivity CdSe Layers","authors":"V. I. Chukita,&nbsp;A. V. Voronov,&nbsp;M. V. Chukichev,&nbsp;V. S. Feshchenko","doi":"10.1134/S0020168523110031","DOIUrl":"10.1134/S0020168523110031","url":null,"abstract":"<p>The output voltage, position sensitivity, and spectral sensitivity of a photodetecting element based on high-resistivity photosensitive CdSe layers have been shown for the first time to decrease hyperbolically with increasing layer thickness (in the range 6–60 μm) and increase linearly with increasing input electric current. The high position and spectral sensitivity found in this study (70.8 mV/(mm μA mW) and 375 mV/(μA mW), respectively), which considerably exceeds that of cadmium telluride layers, demonstrate that high-resistivity CdSe layers have considerable potential as a material of position-sensitive photodetectors.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1242 - 1249"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140098004","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
Adhesion/Decohesion Processes on the Surface of Palladium Membranes 钯膜表面的粘附/脱粘过程
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110018
O. V. Akimova, A. V. Ovcharov, S. V. Gorbunov
{"title":"Adhesion/Decohesion Processes on the Surface of Palladium Membranes","authors":"O. V. Akimova,&nbsp;A. V. Ovcharov,&nbsp;S. V. Gorbunov","doi":"10.1134/S0020168523110018","DOIUrl":"10.1134/S0020168523110018","url":null,"abstract":"<p>Adhesion/decohesion processes on the surface of dense metallic diffusion membranes in direct contact with hydrogen have been studied by scanning electron microscopy and energy dispersive X-ray spectroscopy. The elemental composition of the alloys has been determined to be (wt %) Pd<sub>93</sub>Y<sub>7</sub>, Pd<sub>100 –</sub> <sub><i>х</i></sub>Pb<sub><i>х</i></sub> (<i>х</i> = 5, 20), and Pd<sub>94</sub>Ru<sub>6</sub>. We have revealed Pb emission from the surface of the Pd<sub>100 –</sub> <sub><i>х</i></sub>Pb<sub><i>х</i></sub> membranes and Pb adhesion to the surface of the Pd<sub>93</sub>Y<sub>7</sub> membranes. No adhesion of yttrium particles to the surface of the palladium–lead membranes has been detected. The surface of Pd<sub>94</sub>Ru<sub>6</sub> alloy has good stability to adhesion/decohesion processes.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1283 - 1288"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140884519","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
Atomic Structure and Growth Relationships of TaSi(_{n}^{ - }) (n = 12–17) Monoanionic Silicon–Tantalum Clusters TaSi $$_{n}^{ - }$$ (n = 12-17) 单阴离子硅钽团簇的原子结构和生长关系
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S002016852311002X
N. A. Borshch, N. S. Pereslavtseva, S. I. Kurganskii
{"title":"Atomic Structure and Growth Relationships of TaSi(_{n}^{ - }) (n = 12–17) Monoanionic Silicon–Tantalum Clusters","authors":"N. A. Borshch,&nbsp;N. S. Pereslavtseva,&nbsp;S. I. Kurganskii","doi":"10.1134/S002016852311002X","DOIUrl":"10.1134/S002016852311002X","url":null,"abstract":"<p>This paper presents results of density functional calculations of the atomic structure and electronic spectrum of <span>({text{TaSi}}_{n}^{ - })</span> (<i>n</i> = 12–17) clusters with the use of three distinct functionals. We analyze how the choice of the functional influences cluster structure optimization results and compare calculated electronic spectra of the most stable cluster isomers with measured photoelectron spectra, which makes it possible to assess the adequacy of the calculation method and identify the structure of the clusters.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1194 - 1203"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140097999","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
Liquid-Assisted Interaction of Iridium with Silicon Carbide Ceramics 液体辅助铱与碳化硅陶瓷的相互作用
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110043
M. A. Golosov, A. V. Utkin, V. V. Lozanov, A. T. Titov, N. I. Baklanova
{"title":"Liquid-Assisted Interaction of Iridium with Silicon Carbide Ceramics","authors":"M. A. Golosov,&nbsp;A. V. Utkin,&nbsp;V. V. Lozanov,&nbsp;A. T. Titov,&nbsp;N. I. Baklanova","doi":"10.1134/S0020168523110043","DOIUrl":"10.1134/S0020168523110043","url":null,"abstract":"<p>Liquid-assisted processes that occur in iridium–silicon carbide diffusion couples have been studied in the temperature range 1500–1800°C at different heat treatment times. We have examined the microstructure and determined the elemental and phase compositions of the diffusion zone forming above eutectic temperatures and/or the melting points of individual reaction products: iridium silicides. The microstructure of the diffusion zone forming under liquid formation conditions has been shown to differ from that forming under the conditions of solid-state reaction between iridium and silicon carbide. At temperatures above 1700°C, the silicon content of the Ir–Si melt exceeds 50 mol %, which leads to crystallization of the Ir<sub>3</sub>Si<sub>4</sub> and Ir<sub>3</sub>Si<sub>5</sub> phases during cooling. The carbon resulting from reaction between iridium and SiC undergoes graphitization with increasing heat treatment temperature and time.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1204 - 1211"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140098074","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
Calcium Vapor Reduction of Niobium Oxide Compounds 钙蒸汽还原氧化铌化合物
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110079
M. V. Kryzhanov, V. M. Orlov
{"title":"Calcium Vapor Reduction of Niobium Oxide Compounds","authors":"M. V. Kryzhanov,&nbsp;V. M. Orlov","doi":"10.1134/S0020168523110079","DOIUrl":"10.1134/S0020168523110079","url":null,"abstract":"<p>Calcium vapor reduction of niobium oxide compounds has been studied at temperatures from 1023 to 1123 K. The adiabatic temperature of calcium reduction of niobium pentoxide (3020 K) and the Mg<sub>4</sub>Nb<sub>2</sub>O<sub>9</sub> niobate (2525 K) has been determined by thermodynamic modeling with the TERRA software suite. We have assessed the effects of process temperature, reduction time, and precursor powder particle size on the degree of reduction, specific surface area, and pore structure of the niobium powders.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1250 - 1260"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140097917","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 Ultrasonic Treatment of Pd–4 at % In–1 at % Ru Membrane Foil: Sorption and Hydrogen Permeability 超声波处理 Pd-4 at % In-1 at % Ru 膜箔的效果：吸附性和氢渗透性
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110055
V. M. Ievlev, K. A. Solntsev, S. V. Gorbunov, N. R. Roshan, V. S. Kas’yanov, N. B. Morozova, A. I. Dontsov
{"title":"Effect of Ultrasonic Treatment of Pd–4 at % In–1 at % Ru Membrane Foil: Sorption and Hydrogen Permeability","authors":"V. M. Ievlev,&nbsp;K. A. Solntsev,&nbsp;S. V. Gorbunov,&nbsp;N. R. Roshan,&nbsp;V. S. Kas’yanov,&nbsp;N. B. Morozova,&nbsp;A. I. Dontsov","doi":"10.1134/S0020168523110055","DOIUrl":"10.1134/S0020168523110055","url":null,"abstract":"<p>The effect of ultrasonic treatment of the surface of membrane foil produced from a solid solution of the Pd–In–Ru system on hydrogen sorption by the foil and its hydrogen permeability has been studied using cyclic voltammetry, Auger electron spectroscopy, and atomic force microscopy. The results demonstrate that such treatment leads to an increase in hydrogen sorption by the surface layer of the foil, without changes in its hydrogen permeability. Ultrasonic treatment has been shown to influence neither the morphology, nor the composition, nor the structure of the foil.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1275 - 1282"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140098618","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 Codopant Ions on the IR Photoluminescence of Cu2+ Impurity Centers in Corundum (α-Al2O3) 同位离子对刚玉 (α-Al2O3) 中 Cu2+ 杂质中心的红外光发光的影响
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110109
A. N. Romanov, E. V. Haula, A. A. Kapustin, A. M. Kuli-zade, V. N. Korchak
{"title":"Effect of Codopant Ions on the IR Photoluminescence of Cu2+ Impurity Centers in Corundum (α-Al2O3)","authors":"A. N. Romanov,&nbsp;E. V. Haula,&nbsp;A. A. Kapustin,&nbsp;A. M. Kuli-zade,&nbsp;V. N. Korchak","doi":"10.1134/S0020168523110109","DOIUrl":"10.1134/S0020168523110109","url":null,"abstract":"<p>We have studied broadband (1000–1600 nm) IR photoluminescence of polycrystalline corundum (α-Al<sub>2</sub>O<sub>3</sub>) samples containing copper impurity ions and additionally doped with ions of elements in the oxidation state 4+: Si<sup>4+</sup>, Ge<sup>4+</sup>, Ti<sup>4+</sup>, Zr<sup>4+</sup>, Hf <sup>4+</sup>, and Sn<sup>4+</sup>. The results demonstrate that the IR photoluminescence intensity in corundum singly doped with copper is rather low. Additional doping of corundum with some tetravalent cations sharply increases the luminescence intensity. The largest increase in Cu<sup>2+</sup> IR photoluminescence intensity is obtained in the case of additional doping with Ti<sup>4+</sup>, Ge<sup>4+</sup>, or Sn<sup>4+</sup> cations. It seems likely that these ions ensure charge compensation when incorporated into the corundum lattice together with Cu<sup>2+</sup> ions, so that the substitution process can be represented as 2Al<sup>3+</sup> → Cu<sup>2+</sup> + M<sup>4+</sup> (M<sup>4+</sup> = Ti<sup>4+</sup>, Ge<sup>4+</sup>, Sn<sup>4+</sup>,…). In this way, the additional doping of corundum with tetravalent ions raises Cu<sup>2+</sup> solubility in α-Al<sub>2</sub>O<sub>3</sub>, leading to photoluminescence enhancement in the material.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1261 - 1266"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140097912","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
Thermophysical Characteristics of Single Crystals of Ba1 – x – yYbxRyF2 + x + y (R = Tm, Ho) Solid Solutions Ba1 - x - yYbxRyF2 + x + y (R = Tm, Ho) 固体溶液单晶体的热物理特性
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2024-03-11 DOI: 10.1134/S0020168523110080
S. V. Kuznetsov, V. A. Konyushkin, A. N. Nakladov, P. A. Popov, A. A. Pynenkov, K. N. Nishchev, A. A. Alexandrov
{"title":"Thermophysical Characteristics of Single Crystals of Ba1 – x – yYbxRyF2 + x + y (R = Tm, Ho) Solid Solutions","authors":"S. V. Kuznetsov,&nbsp;V. A. Konyushkin,&nbsp;A. N. Nakladov,&nbsp;P. A. Popov,&nbsp;A. A. Pynenkov,&nbsp;K. N. Nishchev,&nbsp;A. A. Alexandrov","doi":"10.1134/S0020168523110080","DOIUrl":"10.1134/S0020168523110080","url":null,"abstract":"<p>Single crystals of Ba<sub>1 –</sub> <sub><i>x</i></sub> <sub>–</sub> <sub><i>y</i></sub>Yb<sub><i>x</i></sub>R<sub><i>y</i></sub>F<sub>2 +</sub> <sub><i>x</i></sub> <sub>+</sub> <sub><i>y</i></sub> (R = Tm, Ho) solid solutions have been grown by the Bridgman technique in vacuum using a CF<sub>4</sub> fluorination atmosphere. We have measured their thermal conductivity in the range 50–300 K and their refractive index from the visible to IR spectral region. As the ytterbium content increases from 2 to 14 mol %, the room-temperature thermal conductivity of the solid solutions with R = Tm and Ho decreases from 3.39 to 1.18 and from 3.11 to 1.18 W/(m K), respectively. Raising the holmium and thulium content of the solid solutions leads to a gradual increase in their refractive index, and it gradually decreases with increasing wavelength.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"59 11","pages":"1267 - 1274"},"PeriodicalIF":0.9,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140098005","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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