Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3430
M. G. Vasil’ev, A. M. Vasil’ev, A. D. Izotov, Yu. O. Kostin, A. Shelyakin
The effect of various planes was studied when growing epitaxial layers by liquid-phase epitaxy (LPE) on the profiled InP substrates. The studies allowed obtaining buried heterostructures in the InP/InGaAsP system and creating highly efficient laser diodes and image sensors.It was found that protruding mesa strips or in-depth mesa strips in the form of channels formed by the {111}А, {111}B, {110}, {112}A, or {221}A family of planes can be obtained with the corresponding selection of an etching agent, strip orientation, and a method of obtaining a masking coating. It was noted that in the case of the polarity of axes being in the direction of <111>, the cut of mesa strips was conducted along the most densely packaged planes. This cut led to the difference in rates of both chemical etching and epitaxial burying of profiled surfaces.The cut was made along the planes at a low dissolution rate {111}A for a sphalerite lattice, to which the studied material, indium phosphide, belongs. Analysis of planes {110} and {Ī10} showed that the location of the most densely packaged planes {111}A and {111}B relative to them is different.
{"title":"Growing epitaxial layers of InP/InGaAsP heterostructures on the profiled InP surfaces by liquid-phase epitaxy","authors":"M. G. Vasil’ev, A. M. Vasil’ev, A. D. Izotov, Yu. O. Kostin, A. Shelyakin","doi":"10.17308/kcmf.2021.23/3430","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3430","url":null,"abstract":"The effect of various planes was studied when growing epitaxial layers by liquid-phase epitaxy (LPE) on the profiled InP substrates. The studies allowed obtaining buried heterostructures in the InP/InGaAsP system and creating highly efficient laser diodes and image sensors.It was found that protruding mesa strips or in-depth mesa strips in the form of channels formed by the {111}А, {111}B, {110}, {112}A, or {221}A family of planes can be obtained with the corresponding selection of an etching agent, strip orientation, and a method of obtaining a masking coating. It was noted that in the case of the polarity of axes being in the direction of <111>, the cut of mesa strips was conducted along the most densely packaged planes. This cut led to the difference in rates of both chemical etching and epitaxial burying of profiled surfaces.The cut was made along the planes at a low dissolution rate {111}A for a sphalerite lattice, to which the studied material, indium phosphide, belongs. Analysis of planes {110} and {Ī10} showed that the location of the most densely packaged planes {111}A and {111}B relative to them is different.","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88420241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3435
P. R. Mammadli, V. Gasymov, G. B. Dashdiyeva, D. Babanly
The phase equilibria in the Cu-Sb-S-I quaternary system were studied by differential thermal analysis and X-ray phase analysis methods in the CuI-SbSI-SbI3 concentration intervals. The boundary quasi-binary section CuI-SbSI, 2 internal polythermal sections of the phase diagram, as well as, the projection of the liquidus surface were constructed. Primary crystallisation areas of phases, types, and coordinates of non- and monovariant equilibria were determined. Limited areas of solid solutions based on the SbSI (b-phase) and high-temperature modifications of the CuI (α1- and α2- phases) were revealed in the system. The formation of the α1 and α2 phases is accompanied by a decrease in the temperatures of the polymorphic transitions of CuI and the establishment of metatectic (3750C) and eutectoid (2800C) reactions. It was also shown, that the system is characterised by the presence of a wide immiscibility region that covers a significant part of theliquidus surface of the CuI and SbSI based phases
{"title":"Phase relations in the CuI-SbSI-SbI3 composition range of the Cu–Sb–S–I quaternary system","authors":"P. R. Mammadli, V. Gasymov, G. B. Dashdiyeva, D. Babanly","doi":"10.17308/kcmf.2021.23/3435","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3435","url":null,"abstract":"The phase equilibria in the Cu-Sb-S-I quaternary system were studied by differential thermal analysis and X-ray phase analysis methods in the CuI-SbSI-SbI3 concentration intervals. The boundary quasi-binary section CuI-SbSI, 2 internal polythermal sections of the phase diagram, as well as, the projection of the liquidus surface were constructed. Primary crystallisation areas of phases, types, and coordinates of non- and monovariant equilibria were determined. Limited areas of solid solutions based on the SbSI (b-phase) and high-temperature modifications of the CuI (α1- and α2- phases) were revealed in the system. The formation of the α1 and α2 phases is accompanied by a decrease in the temperatures of the polymorphic transitions of CuI and the establishment of metatectic (3750C) and eutectoid (2800C) reactions. It was also shown, that the system is characterised by the presence of a wide immiscibility region that covers a significant part of theliquidus surface of the CuI and SbSI based phases ","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78538085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3427
P. Fedorov, E. G. Yarotskaya
A review of zirconium dioxide or zirconia ZrO2 is presented. The finding of zirconium compounds in nature, the physical and chemical properties of ZrO2 are given, the polymorphism of zirconium oxide, and the phase diagrams of systems with its participation are considered. The areas of application of zirconia compounds are highlighted: automotive industry, electronics industry, energy and industrial ecology, equipment manufacturing and mechanical engineering the production of zirconium-based refractories, ceramics, enamels, glass, superhard materials, applications in medicine, nuclear energetics, and many others areas of human activity. Cubic modification of zirconium dioxide, stabilized by oxides of rare earth elements,is a jewelry stone (fianite). Partially stabilized zirconium dioxide is a versatile structural material with very high resistance to crack propagation. Solid solutions of REE oxides, especially scandium, have a high oxygen conductivity, which is used in sensors for measuring the partial pressure of oxygen and in fuel cells. Attention is paid to heat-resistant oxide ceramic materials with low thermal conductivity used in the quality of heat-resistant coatings. Considerable attention was paid to the second most important mineral of zirconia - baddeleyite (ZrO2). Baddeleyite is widely used in the production of refractory materials. It is mined for the production of metallic zirconium. The achievements of Soviet and Russian scientists in thedevelopment of technologies for the production of fianite and artificial baddeleyite are presented.
{"title":"Zirconium dioxide. Review","authors":"P. Fedorov, E. G. Yarotskaya","doi":"10.17308/kcmf.2021.23/3427","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3427","url":null,"abstract":"A review of zirconium dioxide or zirconia ZrO2 is presented. The finding of zirconium compounds in nature, the physical and chemical properties of ZrO2 are given, the polymorphism of zirconium oxide, and the phase diagrams of systems with its participation are considered. The areas of application of zirconia compounds are highlighted: automotive industry, electronics industry, energy and industrial ecology, equipment manufacturing and mechanical engineering the production of zirconium-based refractories, ceramics, enamels, glass, superhard materials, applications in medicine, nuclear energetics, and many others areas of human activity. Cubic modification of zirconium dioxide, stabilized by oxides of rare earth elements,is a jewelry stone (fianite). Partially stabilized zirconium dioxide is a versatile structural material with very high resistance to crack propagation. Solid solutions of REE oxides, especially scandium, have a high oxygen conductivity, which is used in sensors for measuring the partial pressure of oxygen and in fuel cells. Attention is paid to heat-resistant oxide ceramic materials with low thermal conductivity used in the quality of heat-resistant coatings. Considerable attention was paid to the second most important mineral of zirconia - baddeleyite (ZrO2). Baddeleyite is widely used in the production of refractory materials. It is mined for the production of metallic zirconium. The achievements of Soviet and Russian scientists in thedevelopment of technologies for the production of fianite and artificial baddeleyite are presented.","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89280510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3432
M. P. Dokhov
The article uses the thermodynamics of interfacial phenomena to justify the fact that Young’s equations can correctly describe the three-phase equilibrium with any type of interatomic bonds. Wetting, adhesion, dissolution, surface adsorption, and other surface phenomena are important characteristics, whichlargely determine the quality and durability of materials, and the development of a number of production techniques, including welding, soldering, baking of metallic and non-metallic powders, etc. Therefore, it is important to study them.Using experimental data regarding surface energies of liquids (melts) and contact angles available in the literature, we calculated the surface energies of many solid metals, oxides, carbides, and other inorganic and organic materials without taking into account the amount of the interfacial energy at the solid-liquid (melt) interface. Some researchers assumed that in case of an acute contact angle the interfacial energy is low. Therefore, they neglected it and assumed it to be zero.Others knew that this value could not be measured, that is why they measured and calculated the difference between the surface energy of a solid and the interfacial energy of a solid and a liquid (melt), which is equal to the product of the surface energy of this liquid by the cosine of the contact angle. It is obvious that these methods of determining the surface energy based on such oversimplified assumptions result in poor accuracy.Through the use of examples this paper shows how the surface energies of solids were previously calculated and how the shortcomings of previous calculations can be corrected
{"title":"On the limitations of the applicability of Young’s equations temperature","authors":"M. P. Dokhov","doi":"10.17308/kcmf.2021.23/3432","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3432","url":null,"abstract":"The article uses the thermodynamics of interfacial phenomena to justify the fact that Young’s equations can correctly describe the three-phase equilibrium with any type of interatomic bonds. Wetting, adhesion, dissolution, surface adsorption, and other surface phenomena are important characteristics, whichlargely determine the quality and durability of materials, and the development of a number of production techniques, including welding, soldering, baking of metallic and non-metallic powders, etc. Therefore, it is important to study them.Using experimental data regarding surface energies of liquids (melts) and contact angles available in the literature, we calculated the surface energies of many solid metals, oxides, carbides, and other inorganic and organic materials without taking into account the amount of the interfacial energy at the solid-liquid (melt) interface. Some researchers assumed that in case of an acute contact angle the interfacial energy is low. Therefore, they neglected it and assumed it to be zero.Others knew that this value could not be measured, that is why they measured and calculated the difference between the surface energy of a solid and the interfacial energy of a solid and a liquid (melt), which is equal to the product of the surface energy of this liquid by the cosine of the contact angle. It is obvious that these methods of determining the surface energy based on such oversimplified assumptions result in poor accuracy.Through the use of examples this paper shows how the surface energies of solids were previously calculated and how the shortcomings of previous calculations can be corrected","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90474255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3436
V. Mittova, A. O. Khoroshikh, O. V. Zemchenkova, S. Ryazantsev, O. V. Maslov, Elena V. Korzh, Lilia S. Ryasnaya-Lokinskaya, V. V. Alabovsky
The search for early markers of atherosclerosis is an effective method for providing personalized medicine allowing the prevention of the progression of this pathology. The aim of this study was the determination of the total indices of dyslipidemia and the identification of the gender indices of the extended lipid profile in the population of residents of the Southern and Central Federal Districts (Voronezh, Belgorod, Lipetsk, Kursk and Rostov regions) for the identification of early markers of atherogenicity. In a simultaneous clinical study, involving 339 patients (mean age 48 years), the concentrations of total cholesterol, triglycerides, LDL (low density lipoproteins), HDL (high density lipoproteins), apolipoproteins B and A1, the ApoB/ApoA1 ratio and the atherogenic coefficient were determined. For the identification of the relationship between changes in lipid profile indicators with cytolysis syndrome and indicators of carbohydrate metabolism, the activity of ALAT (alanine aminotransferase), GGTP (gamma-glutamyl transpeptidase) and glucose contentwere also studied. Analysis of the results of the lipid spectrum of the population sample of the middle age group revealed significant metabolic disorders of lipid metabolism with a predominance of atherogenic lipid fractions and a significant excess of indicators of atherogenic lipid fractions in middle-aged men in comparison with women. It has been shown that the apoB/apoA1 index can be used as an auxiliary marker for early assessment of the prevalence of atherogenic lipid fractions, allowing the identification of risk groups for the development of diseases associated with metabolic disorders
{"title":"Gender differences in lipid metabolism","authors":"V. Mittova, A. O. Khoroshikh, O. V. Zemchenkova, S. Ryazantsev, O. V. Maslov, Elena V. Korzh, Lilia S. Ryasnaya-Lokinskaya, V. V. Alabovsky","doi":"10.17308/kcmf.2021.23/3436","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3436","url":null,"abstract":"The search for early markers of atherosclerosis is an effective method for providing personalized medicine allowing the prevention of the progression of this pathology. The aim of this study was the determination of the total indices of dyslipidemia and the identification of the gender indices of the extended lipid profile in the population of residents of the Southern and Central Federal Districts (Voronezh, Belgorod, Lipetsk, Kursk and Rostov regions) for the identification of early markers of atherogenicity. In a simultaneous clinical study, involving 339 patients (mean age 48 years), the concentrations of total cholesterol, triglycerides, LDL (low density lipoproteins), HDL (high density lipoproteins), apolipoproteins B and A1, the ApoB/ApoA1 ratio and the atherogenic coefficient were determined. For the identification of the relationship between changes in lipid profile indicators with cytolysis syndrome and indicators of carbohydrate metabolism, the activity of ALAT (alanine aminotransferase), GGTP (gamma-glutamyl transpeptidase) and glucose contentwere also studied. Analysis of the results of the lipid spectrum of the population sample of the middle age group revealed significant metabolic disorders of lipid metabolism with a predominance of atherogenic lipid fractions and a significant excess of indicators of atherogenic lipid fractions in middle-aged men in comparison with women. It has been shown that the apoB/apoA1 index can be used as an auxiliary marker for early assessment of the prevalence of atherogenic lipid fractions, allowing the identification of risk groups for the development of diseases associated with metabolic disorders","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"160 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84994182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3437
N. Myslitskaya, A. Tcibulnikova, I. Samusev, V. Slezhkin, Valeriy V. Bryukhanov
In this study, we considered thermal processes in liquid and frozen water droplets with added dye molecules and metal nanoparticles at the moment of supercontinuum generation. We studied optical non-linear processes in a water droplet with a diameter of 1.92 mm, cooled (+2 °C) and frozen to -17 °C, with eosin molecules and ablative silver nanoparticles upon femtosecond laser treatment.When we exposed a cooled water droplet and a piece of ice containing eosin molecules and ablative silver nanoparticles to a femtosecond laser beam (l = 1030 nm), we recorded two-photon fluorescence, enhanced by plasmon processes. Also, supercontinuum generation took place, with a period of decay t = 0.02 s. The geometry of non-linear large -scale self-focusing (LLSS ~ 0.45–0.55 mm) was studied. The value of microscale self-focusing (LSSS ~ 0.1 mm) of SC radiation in the laser channel was determined experimentally. The study shows that the energy dissipation in the SC channel increases when the thermal non-linearity exceeds the electronic non-linearity. We modelled the thermal processes and determined the temperaturegradient of the heating of the frozen droplet exposed to a femtosecond pulse. Based on the experimental data, the heat wave propagation velocity was calculated to be n = 0.11 m/s.
{"title":"Heat wave dynamics in frozen water droplets with eosin molecules under the femtosecond excitation of a supercontinuum","authors":"N. Myslitskaya, A. Tcibulnikova, I. Samusev, V. Slezhkin, Valeriy V. Bryukhanov","doi":"10.17308/kcmf.2021.23/3437","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3437","url":null,"abstract":"In this study, we considered thermal processes in liquid and frozen water droplets with added dye molecules and metal nanoparticles at the moment of supercontinuum generation. We studied optical non-linear processes in a water droplet with a diameter of 1.92 mm, cooled (+2 °C) and frozen to -17 °C, with eosin molecules and ablative silver nanoparticles upon femtosecond laser treatment.When we exposed a cooled water droplet and a piece of ice containing eosin molecules and ablative silver nanoparticles to a femtosecond laser beam (l = 1030 nm), we recorded two-photon fluorescence, enhanced by plasmon processes. Also, supercontinuum generation took place, with a period of decay t = 0.02 s. The geometry of non-linear large -scale self-focusing (LLSS ~ 0.45–0.55 mm) was studied. The value of microscale self-focusing (LSSS ~ 0.1 mm) of SC radiation in the laser channel was determined experimentally. The study shows that the energy dissipation in the SC channel increases when the thermal non-linearity exceeds the electronic non-linearity. We modelled the thermal processes and determined the temperaturegradient of the heating of the frozen droplet exposed to a femtosecond pulse. Based on the experimental data, the heat wave propagation velocity was calculated to be n = 0.11 m/s.","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88149033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-04DOI: 10.17308/kcmf.2021.23/3433
G. Kozlov, G. Magomedov, G. Magomedov, I. Dolbin
We carried out an analytical structural analysis of interfacial effects and differences in the reinforcing ability of carbon nanotubes for polydicyclopentadiene/carbon nanotube nanocomposites with elastomeric and glassy matrices. In general, it showed that the reinforcing (strengthening) element of the structure of polymer nanocomposites is a combination of the nanofiller and interfacial regions. In the polymer matrix of the nanocomposite, carbon nanotubes form ring-like structures. Their radius depends heavily on the volume content of the nanofiller. Therefore, the structural reinforcing element of polymer/carbon nanotube nanocomposites can be considered as ring-like formations of carbon nanotubes coated with an interfacial layer. Their structure and properties differ from the characteristics of the bulk polymer matrix.According to this definition, the effective radius of the ring-like formations increases by the thickness of the interfacial layer. In turn, the level of interfacial adhesion between the polymer matrix and the nanofiller is uniquely determined by the radius of the specified carbon nanotube formations. For the considered nanocomposites, the elastomeric matrix has a higher degree of reinforcement compared to the glassy matrix, due to the thicker interfacial layer. It was shown that the ring-like nanotube formations could be successfully modelled as a structural analogue of macromolecular coils of branched polymers. This makes it possible to assess the effective (true) level of anisotropy of this nanofiller in the polymer matrixof the nanocomposite. When the nanofiller content is constant, this level, characterised by the aspect ratio of the nanotubes, uniquely determines the degree of reinforcement of the nanocomposites
{"title":"The structure of carbon nanotubes in a polymer matrix","authors":"G. Kozlov, G. Magomedov, G. Magomedov, I. Dolbin","doi":"10.17308/kcmf.2021.23/3433","DOIUrl":"https://doi.org/10.17308/kcmf.2021.23/3433","url":null,"abstract":"We carried out an analytical structural analysis of interfacial effects and differences in the reinforcing ability of carbon nanotubes for polydicyclopentadiene/carbon nanotube nanocomposites with elastomeric and glassy matrices. In general, it showed that the reinforcing (strengthening) element of the structure of polymer nanocomposites is a combination of the nanofiller and interfacial regions. In the polymer matrix of the nanocomposite, carbon nanotubes form ring-like structures. Their radius depends heavily on the volume content of the nanofiller. Therefore, the structural reinforcing element of polymer/carbon nanotube nanocomposites can be considered as ring-like formations of carbon nanotubes coated with an interfacial layer. Their structure and properties differ from the characteristics of the bulk polymer matrix.According to this definition, the effective radius of the ring-like formations increases by the thickness of the interfacial layer. In turn, the level of interfacial adhesion between the polymer matrix and the nanofiller is uniquely determined by the radius of the specified carbon nanotube formations. For the considered nanocomposites, the elastomeric matrix has a higher degree of reinforcement compared to the glassy matrix, due to the thicker interfacial layer. It was shown that the ring-like nanotube formations could be successfully modelled as a structural analogue of macromolecular coils of branched polymers. This makes it possible to assess the effective (true) level of anisotropy of this nanofiller in the polymer matrixof the nanocomposite. When the nanofiller content is constant, this level, characterised by the aspect ratio of the nanotubes, uniquely determines the degree of reinforcement of the nanocomposites","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82517060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-15DOI: 10.17308/kcmf.2020.22/3115
A. Goryachko, S. Ivanin, Vladimir Yurievich Buzko
In this study, cobalt-zinc ferrite (Co0.5Zn0.5Fe2O4) was obtained by the glycine-nitrate method followed by annealing in a high-temperature furnace at a temperature of 1300 °С. The qualitative composition and its microstructural characteristics were determined using energy-dispersive X-ray spectroscopy, X-ray diffraction analysis, and scanning electron microscopy.The analysis of the micrographs demonstrated that the cobalt-zinc ferrite micropowder obtained after thermal annealing has an average particle size of 1.7±1 μm. The analysis of XRD data showed that the annealed cobalt-zinc ferrite micropowder has a cubic crystal structure with a lattice parameter of a = 8.415 Å. Using the Scherrer and Williamson-Hall equations we calculated the average sizes of the coherent scattering regions, which were commensurate with the size of crystallites: according to the Scherrer equation D = 28.26 nm and according to the Williamson-Hall equation D = 33.59 nm and the microstress value e = 5.62×10–4 in the ferrite structure.Using a vector network analyser, the electromagnetic properties of a composite material based on synthesized cobalt-zinc ferrite were determined. The frequency dependences of the magnetic and dielectric permeability values from the measured S-parameters of the composite material (50% ferrite filler by weight and 50% paraffin) were determined using the Nicolson-Ross-Weir method and were in the range of 0.015–7 GHz. The analysis of the graphs of the dependence of the magnetic permeability on the frequency of electromagnetic radiation revealed a resonance frequency of fr ≈ 2.3 GHz. The discoveredmagnetic resonance in the UHF range allows the obtained material to be considered as being promising for use as an effective absorber of electromagnetic radiation in the range of 2–2.5 GHz. References 1. Thakur P., Chahar D., Taneja S., Bhalla N. andThakur A. A review on MnZn ferrites: Synthesis,characterization and applications. CeramicsInternational. 2020;46(10): 15740–15763. DOI: https://doi.org/10.1016/j.ceramint.2020.03.2872. Pullar R. C. Hexagonal ferrites: A review of thesynthesis, properties and applications of hexaferriteceramics. Progress in Materials Science. 2012;57(7):1191–1334. DOI: https://doi.org/10.1016/j.pmatsci.2012.04.0013. Kharisov B. I., Dias H. V. R., Kharissova O. V.Mini-review: Ferrite nanoparticles in the catalysis.Arabian Journal of Chemistry. 2019;12(7): 1234–1246.DOI: https://doi.org/10.1016/j.arabjc.2014.10.0494. Stergiou C. Microstructure and electromagneticproperties of Ni-Zn-Co ferrite up to 20 GHz. Advancesin Materials Science and Engineering. 2016;2016: 1–7.DOI: https://doi.org/10.1155/2016/19347835. Economos G. Magnetic ceramics: I, Generalmethods of magnetic ferrite preparation. Journal of theAmerican Ceramic Society. 1955;38(7): 241–244. DOI:https://doi.org/10.1111/j.1151-2916.1955.tb14938.x6. Yurkov G. Y., Shashkeev K. A., Kondrashov S. V.,Popkov O. V., Shcherbakova G. I., Zhigalov D. V.,Pankratov D. A.,
本研究采用甘氨酸-硝酸盐法，在1300°С高温炉中退火，制得钴锌铁氧体(Co0.5Zn0.5Fe2O4)。采用能量色散x射线能谱、x射线衍射分析和扫描电镜对其定性组成和微观结构特征进行了测定。显微形貌分析表明，热退火后得到的钴锌铁氧体微粉的平均粒径为1.7±1 μm。XRD数据分析表明，退火后的钴锌铁氧体微粉具有立方晶体结构，晶格参数为a = 8.415 Å。根据Scherrer方程和Williamson-Hall方程，我们计算出与晶体尺寸相适应的相干散射区域的平均尺寸:根据Scherrer方程D = 28.26 nm，根据Williamson-Hall方程D = 33.59 nm，铁氧体结构中的微应力值e = 5.62×10-4。利用矢量网络分析仪测定了合成钴锌铁氧体复合材料的电磁性能。采用Nicolson-Ross-Weir方法测定了复合材料(重量为50%的铁氧体填料和50%的石蜡)的s参数的磁导率和介电导电性值的频率依赖性，范围为0.015-7 GHz。磁导率随电磁辐射频率的曲线分析表明，其共振频率为fr≈2.3 GHz。在UHF范围内发现的磁共振使所获得的材料被认为有希望用作2-2.5 GHz范围内电磁辐射的有效吸收剂。引用1。李建军，李建军，李建军，等。锰锌铁氧体的合成、表征及应用研究进展。CeramicsInternational。2020; 46(10): 15740 - 15763。DOI: https://doi.org/10.1016/j.ceramint.2020.03.2872。六方铁氧体:六方铁氧体陶瓷的合成、性能及应用综述。材料科学进展，2012;57(7):1191-1334。DOI: https://doi.org/10.1016/j.pmatsci.2012.04.0013。李建军，李建军，李建军，等。纳米铁氧体纳米颗粒催化性能的研究进展。化学学报，2019;12(7):1234-1246。DOI: https://doi.org/10.1016/j.arabjc.2014.10.0494。C. Ni-Zn-Co铁氧体在20ghz波段的微观结构和电磁性能。材料科学与工程进展，2016;2016:1-7。DOI: https://doi.org/10.1155/2016/19347835。磁性陶瓷:1、磁性铁氧体制备的一般方法。陶瓷学报，1995;38(7):241-244。DOI: https://doi.org/10.1111/j.1151-2916.1955.tb14938.x6。Yurkov G. Y, Shashkeev K. A, Kondrashov S. V,Popkov O. V, Shcherbakova G. I, Zhigalov D. V,Pankratov D. A, Ovchenkov E. A, Koksharov Y. A.聚碳硅烷陶瓷基体中铁酸钴纳米粒子的合成及其磁性能。合金与化合物学报，2016;6(6):421-430。DOI: https://doi.org/10.1016/j.jallcom.2016.06.0257。karakazi Z. K.， Boncukçuoğlu R.， karakazi İ。h .燃料类型对微波辅助燃烧法制备纳米nife2o4的影响。物理学报，2016;37(7):012046。DOI: https://doi.org/10.1088/1742-6596/707/1/0120468。薛绍恩，贾德生，马明理，李生。溶胶-凝胶科学与技术手册。施普林格,可汗。2016. 1-41页。DOI: https://doi.org/10.1007/978 - 3 - 319 - 19454 - 7 - _125 - 19所示。Vyzulin s.a, Kalikintseva d.a, MiroshnichenkoE。李建军，李建军，李建军，等。不同方法合成镍锌铁氧体的微波吸收特性。俄罗斯科学院院刊:物理学报，2018;82(8):943-945。DOI: https://doi.org/10.3103/s106287381808043910。杨建军，刘建军，李建军，等。复合材料对钡铁氧体粉末磁性能的影响。磁性材料学报，2002;38(2):168-172。DOI: https://doi.org/10.1016/s0304 - 8853(01) 00857 - 511。Ahmed Y. M. Z.用陶瓷技术从非标准原料合成铁素体锰。陶瓷国际，2010;36(3):969-977。DOI: https://doi.org/10.1016/j.ceramint.2009.11.02012。Mahadule r.k.， Arjunwadkar p.r, MahaboleM。P.标准陶瓷法合成caxsryba1 - x - yfe12 - zlazo19及表征。金属学报，2013;2013:1-7。DOI: https://doi.org/10.1155/2013/19897013。Tarța V. F, chicinaki, Marinca T. F,Neamţu b.v, Popa F, Prica C. V.机械研磨法制备纳米/纳米NiFe2O4粉体。计算机工程学报，2012;33(2):391 - 391。DOI: https://doi.org/10.4028/www.scientific.net/ssp.188.2714。普拉丹A. K，萨哈S.，纳特T. K。
{"title":"Synthesis, Microstructural and Electromagnetic Characteristics of Cobalt-Zinc Ferrite","authors":"A. Goryachko, S. Ivanin, Vladimir Yurievich Buzko","doi":"10.17308/kcmf.2020.22/3115","DOIUrl":"https://doi.org/10.17308/kcmf.2020.22/3115","url":null,"abstract":"In this study, cobalt-zinc ferrite (Co0.5Zn0.5Fe2O4) was obtained by the glycine-nitrate method followed by annealing in a high-temperature furnace at a temperature of 1300 °С. The qualitative composition and its microstructural characteristics were determined using energy-dispersive X-ray spectroscopy, X-ray diffraction analysis, and scanning electron microscopy.The analysis of the micrographs demonstrated that the cobalt-zinc ferrite micropowder obtained after thermal annealing has an average particle size of 1.7±1 μm. The analysis of XRD data showed that the annealed cobalt-zinc ferrite micropowder has a cubic crystal structure with a lattice parameter of a = 8.415 Å. Using the Scherrer and Williamson-Hall equations we calculated the average sizes of the coherent scattering regions, which were commensurate with the size of crystallites: according to the Scherrer equation D = 28.26 nm and according to the Williamson-Hall equation D = 33.59 nm and the microstress value e = 5.62×10–4 in the ferrite structure.Using a vector network analyser, the electromagnetic properties of a composite material based on synthesized cobalt-zinc ferrite were determined. The frequency dependences of the magnetic and dielectric permeability values from the measured S-parameters of the composite material (50% ferrite filler by weight and 50% paraffin) were determined using the Nicolson-Ross-Weir method and were in the range of 0.015–7 GHz. The analysis of the graphs of the dependence of the magnetic permeability on the frequency of electromagnetic radiation revealed a resonance frequency of fr ≈ 2.3 GHz. The discoveredmagnetic resonance in the UHF range allows the obtained material to be considered as being promising for use as an effective absorber of electromagnetic radiation in the range of 2–2.5 GHz. \u0000 \u0000 \u0000 \u0000References \u00001. Thakur P., Chahar D., Taneja S., Bhalla N. andThakur A. A review on MnZn ferrites: Synthesis,characterization and applications. CeramicsInternational. 2020;46(10): 15740–15763. DOI: https://doi.org/10.1016/j.ceramint.2020.03.2872. Pullar R. C. Hexagonal ferrites: A review of thesynthesis, properties and applications of hexaferriteceramics. Progress in Materials Science. 2012;57(7):1191–1334. DOI: https://doi.org/10.1016/j.pmatsci.2012.04.0013. Kharisov B. I., Dias H. V. R., Kharissova O. V.Mini-review: Ferrite nanoparticles in the catalysis.Arabian Journal of Chemistry. 2019;12(7): 1234–1246.DOI: https://doi.org/10.1016/j.arabjc.2014.10.0494. Stergiou C. Microstructure and electromagneticproperties of Ni-Zn-Co ferrite up to 20 GHz. Advancesin Materials Science and Engineering. 2016;2016: 1–7.DOI: https://doi.org/10.1155/2016/19347835. Economos G. Magnetic ceramics: I, Generalmethods of magnetic ferrite preparation. Journal of theAmerican Ceramic Society. 1955;38(7): 241–244. DOI:https://doi.org/10.1111/j.1151-2916.1955.tb14938.x6. Yurkov G. Y., Shashkeev K. A., Kondrashov S. V.,Popkov O. V., Shcherbakova G. I., Zhigalov D. V.,Pankratov D. A., ","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82206538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-15DOI: 10.17308/kcmf.2020.22/3119
V. Terekhov, E. Terukov, Yury K. Undalov, K. Barkov, I. Zanin, O. V. Serbin, I. N. Trapeznikova
Amorphous SiOx films with silicon nanoclusters are a new interesting material from the standpoint of the physics, technology, and possible practical applications, since such films can exhibit photoluminescence due to size quantization. Moreover, the optical properties of these structures can be controlled by varying the size and the content of silicon nanoclusters in the SiOx film, as well as by transforming nanoclusters into nanocrystals by means of high-temperature annealing. However, during the annealing of nonstoichiometric silicon oxide, significant changes can occur in the phase composition and the structure of the films. The results of investigations on the crystallization of silicon nanoclusters in a SiOx matrix have shownthat, even a very fast method of annealing using PPA leads to the formation of large silicon crystallites. This also causes the crystallization of at least a part of the oxide phase in the form of silicon hydroxide H6O7Si2. Moreover, in films with an initial content of pure silicon nanoclusters ≤ 50%, during annealing a part of the silicon is spent on the formation of oxide, and part of it is spent on the formation of silicon crystals. While in a film with an initial concentration of silicon nanoclusters ≥ 53%, on the contrary, upon annealing, there occurs a partial transition of silicon from the oxide phase to the growth ofSi crystals Reference 1. Undalov Y. K., Terukov E. I., Silicon nanoclustersncl-Si in a hydrogenated amorphous silicon suboxidematrix a-SiOx:H (0 < x < 2). Semiconductors. 2015;49(7):867- 878. DOI: https://doi.org/10.1134/S10637826150702222. Kim K. H., Johnson E. V., Kazanskii A. G.,Khenkin M. V., Roca P. Unravelling a simple methodfor the low temperature synthesis of siliconnanocrystals and monolithic nanocrystalline thinfilms. Scientific Reports. 2017;7(1) DOI: https://doi.org/10.1038/srep405533. Undalov Y. K., Terukov E. I., Trapeznikova I. N.Formation of ncl-Si in the amorphous matrix a-SiOx-:H located near the anode and on the cathode, usinga time-modulated DC plasma with the (SiH4–Ar–O2)gas phase (Co2 = 21.5 mol%). Semiconductors.2019;53(11): 1514–1523. DOI: https://doi.org/10.1134/S10637826191102284. Terekhov V. A., Terukov E. I., Undalov Y. K.,Parinova E. V., Spirin D. E., Seredin P. V., Minakov D. A.,Domashevskaya E. P. Composition and optical propertiesof amorphous a-SiOx:H films with silicon nanoclusters.Semiconductors. 2016;50(2): 212–216. DOI:https://doi.org/10.1134/S10637826160202515. Terekhov V. A., Turishchev S. Y., Kashkarov V. M.,Domashevskaya E. P., Mikhailov A. N., Tetel’baum D. I.Silicon nanocrystals in SiO2 matrix obtained by ionimplantation under cyclic dose accumulation. PhysicaE: Low-dimensional Systems and Nanostructures.2007;38(1-2): 16–20. DOI: https://doi.org/10.1016/j.physe.2006.12.0306. Terekhov V. A., Turishchev S. Y., Pankov K. N.,Zanin I. E., Domashevskaya E. P., Tetelbaum D. I.,Mikhailov A. N., Belov A. I., Nikolichev D. E., Zubkov S. Y.XANES, USXES and XP
用x射线发射光谱研究了非晶SiOx:H合金薄膜的电子结构:Si K、Si L和do K发射带。物理学报。1993;47(12):681 - 689。DOI: https://doi.org/10.1103/Phys-RevB.47.698115。多马舍夫斯卡娅E. P.，佩什科夫Y. A.，捷列霍夫。刘志强，刘志强，刘志强，等。硅晶间层的相组成研究[(Co45Fe45Zr10)/ A - si:H]41和[(Co45Fe45Zr10)35(Al2O3)65/ A - si:H]41。表面与界面分析，2018;50(12-13):1265-1270。DOI: https://doi.org/10.1002/sia.651516。捷列霍夫V. A.，卡什卡罗夫V. M.，马努科夫斯基。余。A. V.， Domashevskaya E. p .用超软x射线光谱和x射线光电子能谱技术测定多孔硅表面层的相组成。电子光谱与相关现象。2001;114-116:895-900。DOI: https://doi.org/10.1016/s0368 - 2048(00) 00393 - 517。国际衍射数据中心ICDD PDF-2， (n.d)卡号01-077-2110.18。国际衍射数据中心ICDD PDF-2， (n.d)卡号00-050-0438。
{"title":"Structural Rearrangement of a-SiOx:H Films with Pulse Photon Annealing","authors":"V. Terekhov, E. Terukov, Yury K. Undalov, K. Barkov, I. Zanin, O. V. Serbin, I. N. Trapeznikova","doi":"10.17308/kcmf.2020.22/3119","DOIUrl":"https://doi.org/10.17308/kcmf.2020.22/3119","url":null,"abstract":"Amorphous SiOx films with silicon nanoclusters are a new interesting material from the standpoint of the physics, technology, and possible practical applications, since such films can exhibit photoluminescence due to size quantization. Moreover, the optical properties of these structures can be controlled by varying the size and the content of silicon nanoclusters in the SiOx film, as well as by transforming nanoclusters into nanocrystals by means of high-temperature annealing. However, during the annealing of nonstoichiometric silicon oxide, significant changes can occur in the phase composition and the structure of the films. The results of investigations on the crystallization of silicon nanoclusters in a SiOx matrix have shownthat, even a very fast method of annealing using PPA leads to the formation of large silicon crystallites. This also causes the crystallization of at least a part of the oxide phase in the form of silicon hydroxide H6O7Si2. Moreover, in films with an initial content of pure silicon nanoclusters ≤ 50%, during annealing a part of the silicon is spent on the formation of oxide, and part of it is spent on the formation of silicon crystals. While in a film with an initial concentration of silicon nanoclusters ≥ 53%, on the contrary, upon annealing, there occurs a partial transition of silicon from the oxide phase to the growth ofSi crystals \u0000 \u0000 \u0000 \u0000Reference \u00001. Undalov Y. K., Terukov E. I., Silicon nanoclustersncl-Si in a hydrogenated amorphous silicon suboxidematrix a-SiOx:H (0 < x < 2). Semiconductors. 2015;49(7):867- 878. DOI: https://doi.org/10.1134/S10637826150702222. Kim K. H., Johnson E. V., Kazanskii A. G.,Khenkin M. V., Roca P. Unravelling a simple methodfor the low temperature synthesis of siliconnanocrystals and monolithic nanocrystalline thinfilms. Scientific Reports. 2017;7(1) DOI: https://doi.org/10.1038/srep405533. Undalov Y. K., Terukov E. I., Trapeznikova I. N.Formation of ncl-Si in the amorphous matrix a-SiOx-:H located near the anode and on the cathode, usinga time-modulated DC plasma with the (SiH4–Ar–O2)gas phase (Co2 = 21.5 mol%). Semiconductors.2019;53(11): 1514–1523. DOI: https://doi.org/10.1134/S10637826191102284. Terekhov V. A., Terukov E. I., Undalov Y. K.,Parinova E. V., Spirin D. E., Seredin P. V., Minakov D. A.,Domashevskaya E. P. Composition and optical propertiesof amorphous a-SiOx:H films with silicon nanoclusters.Semiconductors. 2016;50(2): 212–216. DOI:https://doi.org/10.1134/S10637826160202515. Terekhov V. A., Turishchev S. Y., Kashkarov V. M.,Domashevskaya E. P., Mikhailov A. N., Tetel’baum D. I.Silicon nanocrystals in SiO2 matrix obtained by ionimplantation under cyclic dose accumulation. PhysicaE: Low-dimensional Systems and Nanostructures.2007;38(1-2): 16–20. DOI: https://doi.org/10.1016/j.physe.2006.12.0306. Terekhov V. A., Turishchev S. Y., Pankov K. N.,Zanin I. E., Domashevskaya E. P., Tetelbaum D. I.,Mikhailov A. N., Belov A. I., Nikolichev D. E., Zubkov S. Y.XANES, USXES and XP","PeriodicalId":17879,"journal":{"name":"Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88788261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-15DOI: 10.17308/kcmf.2020.22/3116
S. Imamaliyeva, D. Babanly, V. Zlomanov, M. Babanly, D. Taghiyev
The paper presents the results of a study of solid-phase equilibria in the Tb–Te system and the thermodynamic properties of terbium tellurides obtained by the methods of electromotive forces and X-ray diffraction analysis. Based on the experimental data, it was established that the TbTe, Tb2Te3, TbTe2 и TbTe3 compounds are formed in the system. For the investigations of the alloys from the two-phase regions TbTe3+Te, TbTe2+TbTe3, and Tb2Te3+TbTe2, the EMF of concentration cells relative to the TbTe electrode was measured. The EMF of concentration cells relative to the terbium electrode was measured for the TbTe+Tb2T3 region. The partial thermodynamic functions of TbTe and Tb in alloys were determined bycombining the EMF measurements of both types in the 300–450 K temperature range, based on which the standard thermodynamic functions of formation and standard entropies of the indicated terbium tellurides were calculated. References1. Jha A. R. Rare earth materials: properties andapplications. United States. CRC Press. 2014. 371 p.DOI: https://doi.org/10.1201/b170452. Balaram V. Rare earth elements: A review ofapplications, occurrence, exploration, analysis,recycling, and environmental impact. GeoscienceFrontiers. 2019;10(4): 1285–1290. DOI: https://doi.org/10.1016/j.gsf.2018.12.0053. Yarembash E. I., Eliseev A. A. Khal’kogenidyredkozemel’nykh elementov [Chalcogenides of rareearth elements). Moscow: Nauka Publ.; 1975. 258p.(In Russ.)4. Y-Sc., La-Lu. Gmelin Handbock of InorganicChemistry. In: Hartmut Bergmann (Ed.), Rare EarthElements, 8th Edition, Springer-Verlag HeidelbergGmbH. Berlin; 1987.5. Muthuselvam I. P., Nehru R., Babu K. R.,Saranya K., Kaul S. N., Chen S-M, Chen W-T, Liu Y.,Guo G-Y, Xiu F., Sankar R. Gd2Te3 an antiferromagneticsemimetal. J. Condens. Matter Phys. 2019;31(28):285802-5. DOI: https://doi.org/10.1088/1361-648X/ab15706. Huang H., Zhu J.-J. The electrochemicalapplications of rare earth-based nanomaterials.Analyst. 2019;144(23): 6789–6811. DOI: https://doi.org/10.1039/C9AN01562K7. Saint-Paul M., Monceau P. Survey of thethermodynamic properties of the charge density wavesystems. Adv. Cond. Matter Phys. 2019: 1–5 DOI:https://doi.org/10.1155/2019/21382648. Cheikh D., Hogan B. E., Vo T., Allmen P. V., Lee K.,Smiadak D. M., Zevalkink A., Dunn B. S., Fleurial J-P.,Bux S. L. Praseodymium telluride: A high temperature,high- ZT thermoelectric material. Joule. 2018; 2(4):698–709. DOI: https://doi.org/10.1016/j.joule.2018.01.0139. Patil S. J., Lokhande A. C., Lee D. W, Kim J. H.,Lokhande C. D. Chemical synthesis and supercapacitiveproperties of lanthanum telluride thin film. Journal ofColloid and Interface Science. 2017; 490: 147–153. DOI:https://doi.org/10.1016/j.jcis.2016.11.02010. Zhou X. Z., Zhng K. H. L, Xiog J., Park J-H,Dickerson J-H., He W. Size- and dimentionalitydependent optical, mahnetic and magneto-opticalproperties of binary europium-based nanocrystals:EuX (X=O, S, Se, Te). Nanotechnology. 2016;27(19):192001-5. DOI:
本文介绍了用电动势和x射线衍射分析方法研究Tb-Te体系固相平衡和碲化铽热力学性质的结果。根据实验数据，确定了体系中形成了TbTe、Tb2Te3、TbTe2、TbTe3等化合物。为了研究TbTe3+Te、TbTe2+TbTe3和Tb2Te3+TbTe2两相区域的合金，测量了浓度池相对于TbTe电极的电动势。在TbTe+Tb2T3区域测量了浓度细胞相对于铽电极的电动势。结合300-450 K温度范围内两种类型的电动势测量，确定了合金中TbTe和Tb的部分热力学函数，并在此基础上计算了所指示碲化铽形成的标准热力学函数和标准熵。References1。稀土材料:性能与应用。美国。中华人民共和国出版社。2014。371 p.DOI: https://doi.org/10.1201/b170452。稀土元素:应用、出现、勘探、分析、回收和环境影响的综述。GeoscienceFrontiers。2019; 10(4): 1285 - 1290。DOI: https://doi.org/10.1016/j.gsf.2018.12.0053。Yarembash E. I.， Eliseev A. A. Khal 'kogenidyredkozemel 'nykh elementov[稀土元素硫属化合物]。莫斯科:Nauka Publ;1975. 258便士。(俄国人)4。Y-Sc。, La-Lu。格林无机化学手册。见:Hartmut Bergmann(编)，稀土元素，第8版，斯普林格出版社海德堡。柏林;1987.5. Muthuselvam I. P.， Nehru R.， Babu K. R.，Saranya K.， Kaul S. N.，陈世明，陈文涛，刘勇，郭国勇，修峰，Sankar R.。j .提供者。物质物理学报，2019;31(28):285802-5。DOI: https://doi.org/10.1088/1361 - 648 x/ab15706。黄慧，朱建军。稀土基纳米材料的电化学应用。2019; 144(23): 6789 - 6811。DOI: https://doi.org/10.1039/C9AN01562K7。Saint-Paul M.， Monceau P.。电荷密度波系统热力学性质的研究。放置电导率。物质物理。2019:1-5 DOI:https://doi.org/10.1155/2019/21382648。Cheikh D, Hogan B. E, Vo T, Allmen P. V, Lee K.，Smiadak D. M, Zevalkink A.， Dunn B. S.， Fleurial j . p。，丁少林。碲化镨:一种高温、高ZT热电材料。焦耳。2018;2(4): 698 - 709。DOI: https://doi.org/10.1016/j.joule.2018.01.0139。李大伟，金建辉，李大伟。碲化镧薄膜的化学合成及其超电容性能。胶体与界面科学学报，2017;490: 147 - 153。DOI: https://doi.org/10.1016/j.jcis.2016.11.02010。周学忠，张坤洪，肖军，朴建辉，Dickerson J- h。铕基二元纳米晶体EuX (X=O, S, Se, Te)的光学、磁性和磁光特性。纳米技术。2016;27(19):192001 - 5。DOI: https://doi.org/10.1088/0957-4484/27/19/19200111。Okamoto H.书桌手册二元合金相图。ASM国际。2000。900 p.12。Babanly M. B, Mashadiyeva L. F, Babanly D. M,Imamaliyeva S. Z, Tagiyev D. B, Yusibov Y. A。涉及电动势测量的三元硫系相平衡和热力学性质复杂研究的若干问题。无机化学学报，2019;64(13):1649-1672。DOI: https://doi.org/10.1134/s003602361913003513。Imamaliyeva S. Z.， Babanly D. M.， Tagiev D. B.，Babanly M. B.具有tl5te3结构的多组分硫族化物相发育的物理化学方面。复习一下。无机化学学报，2018;63(13):1703-1724 DOI: https://doi.org/10.1134/s003602361813004114。马萨斯基t.b.二元合金相图，第二版。ASM International, Materials Park.Ohio;1990. 3835页。DOI: https://doi.org/10.1002/adma.1991003121515。双金属系统图手册(3卷)。利亚基舍夫N.P.(编)莫斯科:Mashinostroenie出版社;1996、1997、2001年。(俄国人)16。叶利泽夫A. A.， Orlova I. G.， Martynova L. F.，Pechennikov A. V.， Chechernikov V.。无机材料。1987;23:1833-1835.17。Mills K. C.无机硫化物、硒化物和碲化物的热力学数据。伦敦:巴特沃斯;1974. 854 p.18。瓦西里耶夫V. P.，李senko V. A. Gaune-Escard m .热力学数据与周期律的关系。应用化学学报，2019;31(6):879-884。DOI: https://doi.org/10.1515/pac - 2018 - 071719。瓦西里耶夫V. P.，李森科V. A.。镧系化合物热力学性质研究的新方法。电化学学报，2016;22(2):1770-1775。DOI: https://doi.org/10.1016/j.electacta.2016.11.07520。Morachevsky A. G.， Voronin G. F.， Geyderich V. A.，Kutsenok i . B. elektrokhimichesky方法研究了一种新的研究方法，该方法研究了一种新的研究方法。
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