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Solubility Limit and Microstructure of Rare-Earth Elements in (La1–xRx)3Ga5SiO14 (R = Gd–Ho) Single Crystals and Ceramic Solid Solutions 稀土元素在（La1-xRx）3Ga5SiO14 （R = Gd-Ho）单晶和陶瓷固溶体中的溶解度极限和微观结构
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S002016852470153X
M. E. Voronchikhina, A. V. Matasov, V. Yu. Ivanov, . D. Iskhakova, A. M. Kuzmenko, M. A. Sysoev, A. A. Mukhin
{"title":"Solubility Limit and Microstructure of Rare-Earth Elements in (La1–xRx)3Ga5SiO14 (R = Gd–Ho) Single Crystals and Ceramic Solid Solutions","authors":"M. E. Voronchikhina,&nbsp;A. V. Matasov,&nbsp;V. Yu. Ivanov,&nbsp;. D. Iskhakova,&nbsp;A. M. Kuzmenko,&nbsp;M. A. Sysoev,&nbsp;A. A. Mukhin","doi":"10.1134/S002016852470153X","DOIUrl":"10.1134/S002016852470153X","url":null,"abstract":"<p>(La<sub>1–<i>x</i></sub>R<sub><i>x</i></sub>)<sub>3</sub>Ga<sub>5</sub>SiO<sub>14</sub> single crystals and ceramic solid solutions where R = Gd–Ho and 0 ≤ <i>х</i> ≤ 0.4 (as-batch) were characterized by X-ray powder diffraction (XRD) and analytical electron microscopy in order to determine the solubility limits of lanthanides in the langasite structure. Langasite-based solid solutions are the dominant phase up to the highest concentrations, but at <i>x</i> ≥ 0.15 for holmium and <i>x</i> ≥ 0.2 for terbium, garnet R<sub>3</sub>Ga<sub>5</sub>O<sub>12</sub> and La<sub>2</sub>SiO<sub>5</sub>-type impurity phases start to precipitate. Langasite single crystals have homogeneous structure where Tb, Dy, or Ho substitutes for La up to <i>х</i> = 0.05, and where Gd does up to <i>х</i> = 0.2. At <i>х</i> &gt; 0.1, however, inclusions of impurity phases with the above structures appear in (La<sub>1–<i>x</i></sub>Tb<sub><i>x</i></sub>)<sub>3</sub>Ga<sub>5</sub>SiO<sub>14</sub> crystals. The magnetization curves of (La<sub>1–<i>x</i></sub>R<sub><i>x</i></sub>)<sub>3</sub>Ga<sub>5</sub>SiO<sub>14</sub> (R = Ho and Tb) crystals measured at 1.85–2 K exhibit strong magnetocrystalline anisotropy, where the magnetic moment per R<sup>3+</sup> ion is roughly the same for all of the heavy lanthanide concentrations studied. The temperature-and-frequency dependent dielectric constant and dielectric loss tangent of (La<sub>1–<i>x</i></sub>Ho<sub><i>x</i></sub>)<sub>3</sub>Ga<sub>5</sub>SiO<sub>14</sub> (<i>x</i> ≤ 0.2) and (La<sub>1–<i>x</i></sub>Tb<sub><i>x</i></sub>)<sub>3</sub>Ga<sub>5</sub>SiO<sub>14</sub> (<i>x</i> ≤ 0.3) ceramic samples were studied in the range <i>T</i> = 77–700 K at frequencies <i>f</i> from 1 kHz to 1 MHz. Debye-type relaxation with an activation energy of about 2 eV was detected.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 10","pages":"1238 - 1249"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645626","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
Synthesis, Microstructure, and Dielectric Properties of Modified Ceramics Based on Solid Solutions (K0.5Na0.5)NbO3–SrZrO3 固溶体（K0.5Na0.5） NbO3-SrZrO3改性陶瓷的合成、微观结构及介电性能
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168524701553
G. M. Kaleva, E. D. Politova, S. A. Ivanov, A. V. Mosunov, S. Yu. Stefanovich, N. V. Sadovskaya
{"title":"Synthesis, Microstructure, and Dielectric Properties of Modified Ceramics Based on Solid Solutions (K0.5Na0.5)NbO3–SrZrO3","authors":"G. M. Kaleva,&nbsp;E. D. Politova,&nbsp;S. A. Ivanov,&nbsp;A. V. Mosunov,&nbsp;S. Yu. Stefanovich,&nbsp;N. V. Sadovskaya","doi":"10.1134/S0020168524701553","DOIUrl":"10.1134/S0020168524701553","url":null,"abstract":"<p>—Single-phase ceramic samples of new compositions (1 – <i>x</i>)(K<sub>0.5</sub>Na<sub>0.5</sub>)NbO<sub>3</sub>–<i>x</i>SrZrO<sub>3</sub> (<i>x</i> = 0–0.15) modified with the addition of 2 wt % ZnO were obtained via the solid-state synthesis method. Their crystal structures, microstructures, dielectric, and nonlinear optical properties were studied. The modified samples were found to form a phase with a perovskite structure and a pseudocubic unit cell. A decrease in the average crystallite size (coherent scattering regions) from 91 to 54 nm was observed. Ferroelectric phase transitions were confirmed using dielectric spectroscopy. A reduction in the phase transition temperatures and a weakening of nonlinear optical properties were revealed with an increase in the strontium zirconate content in the samples.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 10","pages":"1257 - 1263"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645627","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
Continuous Synthesis of Iron Carbide Nanoparticles by the Induction Flow Levitation Technique 感应流悬浮法连续合成碳化铁纳米颗粒
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168525700141
A. A. Kapinos, A. N. Markov, E. S. Dokin, P. P. Grachev, A. V. Emel’yanov, A. V. Poplavskii, K. A. Cherednichenko, I. A. Fanar, A. N. Petukhov, A. V. Vorotyntsev
{"title":"Continuous Synthesis of Iron Carbide Nanoparticles by the Induction Flow Levitation Technique","authors":"A. A. Kapinos,&nbsp;A. N. Markov,&nbsp;E. S. Dokin,&nbsp;P. P. Grachev,&nbsp;A. V. Emel’yanov,&nbsp;A. V. Poplavskii,&nbsp;K. A. Cherednichenko,&nbsp;I. A. Fanar,&nbsp;A. N. Petukhov,&nbsp;A. V. Vorotyntsev","doi":"10.1134/S0020168525700141","DOIUrl":"10.1134/S0020168525700141","url":null,"abstract":"<p>Fe<sub>3</sub>C iron carbide nanoparticles and iron carbide-coated iron (Fe@Fe<sub>3</sub>C) nanoparticles have been prepared from bulk iron by the induction flow levitation technique, which has a number of advantages: high production rate (up to 100 g/h), continuity of the process, contactless heating to 2500°C, and absence of harmful emissions. The size of the synthesized nanoparticles is under 24 nm. Two different reagents have been used to prepare iron carbide nanoparticles: acetylene and hexane. The Fe@Fe<sub>3</sub>C core/shell nanoparticles have been obtained by reacting condensed nanoparticles with acetylene in a quartz reactor. The average size of their core is 7 nm. All of the synthesized nanoparticles have been characterized by a variety of physicochemical techniques: transmission electron microscopy, X-ray diffraction, BET surface area measurements, statistical thickness surface area method, and dynamic light scattering.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 11","pages":"1319 - 1326"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645633","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
Electronic Structure of Cd-Substituted Silicon Clathrates 镉取代硅包合物的电子结构
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168524701413
N. A. Borshch, N. S. Pereslavtseva, V. R. Radina, S. I. Kurganskii
{"title":"Electronic Structure of Cd-Substituted Silicon Clathrates","authors":"N. A. Borshch,&nbsp;N. S. Pereslavtseva,&nbsp;V. R. Radina,&nbsp;S. I. Kurganskii","doi":"10.1134/S0020168524701413","DOIUrl":"10.1134/S0020168524701413","url":null,"abstract":"<p>This paper presents results of a theoretical study of the electronic structure of a number of Cd-substituted silicon-based clathrates. Linearized augmented plane wave calculations are used to examine their band structure and the total and partial densities of electronic states in the clathrates. We analyze how the number of cadmium substituent atoms and their crystallographic position in the unit cell influence the electron energy spectrum of the clathrates.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 9","pages":"1055 - 1062"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645390","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 Temperature and Oxidizing Medium on the Properties of Silicon Carbide Fiber 温度和氧化介质对碳化硅纤维性能的影响
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168524701346
D. V. Valiaev, M. A. Golosov, V. V. Lozanov, N. I. Baklanova
{"title":"Effect of Temperature and Oxidizing Medium on the Properties of Silicon Carbide Fiber","authors":"D. V. Valiaev,&nbsp;M. A. Golosov,&nbsp;V. V. Lozanov,&nbsp;N. I. Baklanova","doi":"10.1134/S0020168524701346","DOIUrl":"10.1134/S0020168524701346","url":null,"abstract":"<p>We have studied the effect of heat treatment in an oxidizing medium and under vacuum on the properties of Russian-made silicon carbide fiber. The fiber has been characterized by a variety of physicochemical analysis techniques, including scanning electron microscopy, Raman spectroscopy, IR spectroscopy, and X-ray diffraction, before and after heat treatment under vacuum and in air. The kinetics of fiber oxidation in air have been studied in the range 900–1000°C. The activation energy for the oxidation process has been determined to be 72.0 ± 7.8 kJ/mol. The tensile strength of the fiber has been determined before and after heat treatment in different media. The results demonstrate that heat treatment under vacuum and in an oxidizing medium causes substantial degradation of the properties of the fiber.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 9","pages":"1074 - 1082"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645392","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
Synthesis of CuFe2O4/Au and CuO/Au Hybrid Gold-Containing Nanoparticles via Anion Exchange Resin-Assisted Precipitation 阴离子交换树脂辅助沉淀法合成CuFe2O4/Au和CuO/Au杂化含金纳米颗粒
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168525700086
A. Yu. Pavlikov, S. V. Saikova, D. V. Karpov, A. S. Samoilo
{"title":"Synthesis of CuFe2O4/Au and CuO/Au Hybrid Gold-Containing Nanoparticles via Anion Exchange Resin-Assisted Precipitation","authors":"A. Yu. Pavlikov,&nbsp;S. V. Saikova,&nbsp;D. V. Karpov,&nbsp;A. S. Samoilo","doi":"10.1134/S0020168525700086","DOIUrl":"10.1134/S0020168525700086","url":null,"abstract":"<p>Hybrid nanoparticles based on nonferrous metal oxides and gold are of interest for application in catalysis and biomedicine, in particular, for magnetic hyperthermia and targeted drug delivery. In this paper, we describe methods for the preparation of oxide (CuO and CuFe<sub>2</sub>O<sub>4</sub>) cores and hybrid (CuO/Au and CuFe<sub>2</sub>O<sub>4</sub>/Au) nanoparticles having gold nanoclusters ~2 nm in size on their surface. The hybrid nanoparticles were synthesized using L-methionine, an amino acid that acts as a reducing agent and an “anchor” between the oxide core and gold clusters. The proposed method for the preparation of CuO and CuFe<sub>2</sub>O<sub>4</sub> oxide cores—anion exchange resin-assisted precipitation—is simple, fast, and easy to reproduce under ordinary laboratory conditions. It has been shown that anion exchange resin-assisted Cu<sup>2+</sup> precipitation with no polysaccharide leads to the formation of elongated copper(II) oxide nanoparticles 85 ± 3 nm in length and 15.1 ± 0.3 nm in thickness, whereas anion exchange resin-assisted precipitation of Cu<sup>2+</sup> and Fe<sup>3+</sup> in the presence of a polysaccharide (dextran-40) and subsequent heat treatment (850°C) of a stoichiometric precursor yields copper ferrite nanoparticles 18.3 ± 0.4 nm in size. Evaluation of the biocompatibility of all the synthesized materials (CuO, CuFe<sub>2</sub>O<sub>4</sub>, CuO/Au, and CuFe<sub>2</sub>O<sub>4</sub>/Au) with the use of <i>Escherichia coli</i> and <i>Bacillus subtilis</i> as test microorganisms has shown that the presence of gold improves their biocompatibility and makes them suitable for biomedical applications.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 11","pages":"1344 - 1355"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645401","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
Induction Flow Levitation as a New Approach to the Synthesis of Nanoparticulate Titanium Carbide 感应流悬浮法合成纳米碳化钛的新方法
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S002016852570013X
E. S. Dokin, A. N. Markov, A. A. Kapinos, P. P. Grachev, A. V. Emel’yanov, Z. A. Markin, A. V. Poplavskii, K. A. Cherednichenko, A. N. Petukhov, A. V. Vorotyntsev
{"title":"Induction Flow Levitation as a New Approach to the Synthesis of Nanoparticulate Titanium Carbide","authors":"E. S. Dokin,&nbsp;A. N. Markov,&nbsp;A. A. Kapinos,&nbsp;P. P. Grachev,&nbsp;A. V. Emel’yanov,&nbsp;Z. A. Markin,&nbsp;A. V. Poplavskii,&nbsp;K. A. Cherednichenko,&nbsp;A. N. Petukhov,&nbsp;A. V. Vorotyntsev","doi":"10.1134/S002016852570013X","DOIUrl":"10.1134/S002016852570013X","url":null,"abstract":"<p>TiC nanoparticles less than 16 nm in size have been prepared in a single step from bulk titanium carbide by the induction flow levitation (IFL) method. The method has a number of advantages: high production rate (up to 100 g/h), the ability to vary the nanoparticle size in a wide range (0.5–500 nm), and contactless heating (up to 2500°C). Moreover, it meets green chemistry principles. In this gas phase method, a levitating metal is heated by a high-frequency electromagnetic field. The synthesized titanium carbide nanoparticles have been characterized by a variety of physicochemical techniques: transmission electron microscopy, scanning electron microscopy, X-ray diffraction, low-temperature nitrogen adsorption measurements, and dynamic light scattering. The results demonstrate that IFL is one of the most promising methods for the preparation of nanoparticles and ensures high purity and a small particle size of single-step synthesis products.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 11","pages":"1313 - 1318"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645624","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
The Effect of Charge Carrier Concentration and Structural Defects on the Raman Spectra of GaAs Single Crystals Grown by the Czochralski Method 载流子浓度和结构缺陷对Czochralski法生长GaAs单晶拉曼光谱的影响
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168524701498
A. D. Maksimov, Yu. I. Tarasov, N. A. Sanzharovskii, K. A. Chusovskaya
{"title":"The Effect of Charge Carrier Concentration and Structural Defects on the Raman Spectra of GaAs Single Crystals Grown by the Czochralski Method","authors":"A. D. Maksimov,&nbsp;Yu. I. Tarasov,&nbsp;N. A. Sanzharovskii,&nbsp;K. A. Chusovskaya","doi":"10.1134/S0020168524701498","DOIUrl":"10.1134/S0020168524701498","url":null,"abstract":"<p>Raman spectra of crystalline gallium arsenide grown by the Czochralski method have been studied. It has been demonstrated that the frequency of the coupled plasmon–phonon mode increases with increasing electron concentration <i>n</i> and approaches the frequency of the transverse vibration mode at <i>n</i> ~ 3 × 10<sup>18</sup> cm<sup>−3</sup>. An increase in the hole concentration leads to a broadening of the longitudinal vibration peak. The relative intensity of the transverse mode decreases with an increase in the degree of disorder.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 10","pages":"1161 - 1166"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645568","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
Wetting Hysteresis Effects in Vapor → Liquid → Solid Growth of Nanowires 纳米线蒸汽→液体→固体生长中的润湿滞后效应
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168524701589
V. A. Nebol’sin, V. A. Yur’ev, A. S. Samofalova
{"title":"Wetting Hysteresis Effects in Vapor → Liquid → Solid Growth of Nanowires","authors":"V. A. Nebol’sin,&nbsp;V. A. Yur’ev,&nbsp;A. S. Samofalova","doi":"10.1134/S0020168524701589","DOIUrl":"10.1134/S0020168524701589","url":null,"abstract":"<p>This paper presents models of the hysteresis effects occurring on the wetting perimeter of a liquid-metal catalyst drop due to the effects caused on the contact angles by the edge of the end (tip) face of a nanowires (NW) and the linear tension of the three-phase contact interface. The contact angle hysteresis of the catalyst liquid drop on the end of an NW grown by the vapor → liquid → solid (VLS) scheme is due to its indifferent equilibrium at the wetting perimeter. The conclusion is drawn that the contact angle hysteresis in the catalyst drop wetting the NW crystal surface has a dual, not strictly equilibrium nature.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 10","pages":"1272 - 1278"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645459","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 Composition on Charge Transport in (TlGaSe2)1–x(TlGaS2)x (0 ≤ x ≤ 1) Solid Solutions 组成对（TlGaSe2）1 - x(TlGaS2)x（0≤x≤1）固溶体中电荷输运的影响
IF 0.9 4区 材料科学
Inorganic Materials Pub Date : 2025-03-18 DOI: 10.1134/S0020168525700098
S. M. Asadov, S. N. Mustafaeva
{"title":"Effect of Composition on Charge Transport in (TlGaSe2)1–x(TlGaS2)x (0 ≤ x ≤ 1) Solid Solutions","authors":"S. M. Asadov,&nbsp;S. N. Mustafaeva","doi":"10.1134/S0020168525700098","DOIUrl":"10.1134/S0020168525700098","url":null,"abstract":"<p>We have synthesized polycrystalline (TlGaSe<sub>2</sub>)<sub>1–<i>x</i></sub>(TlGaS<sub>2</sub>)<sub><i>x</i></sub> (<i>x</i> = 0–1) solid solutions and used them to grow single crystals by the Bridgman–Stockbarger method. The dielectric properties of single-crystal samples of the solid solutions have been studied in ac electric fields in the frequency range <i>f</i> = 5 × 10<sup>4</sup> to 3.5 × 10<sup>7</sup> Hz. We have demonstrated relaxation behavior of the complex dielectric permittivity of the (TlGaSe<sub>2</sub>)<sub>1–<i>x</i></sub>(TlGaS<sub>2</sub>)<sub><i>x</i></sub> solid solutions, found out the nature of the dielectric loss in them, and identified the hopping charge transport mechanism in them. With increasing <i>x</i>, the electrical conductivity of the (TlGaSe<sub>2</sub>)<sub>1–<i>x</i></sub>(TlGaS<sub>2</sub>)<sub><i>x</i></sub> crystals and the average distance and time of carrier hopping between localized states in the band gap of the crystals decrease, whereas the scatter in the energy of Fermi level localized states and their density increase.</p>","PeriodicalId":585,"journal":{"name":"Inorganic Materials","volume":"60 11","pages":"1283 - 1292"},"PeriodicalIF":0.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645625","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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