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Physics and Chemistry of Solid State最新文献

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The influence of the plates on the effectiveness of penetrating thermoelements in the cooling regime 在冷却状态下，板对穿透热元有效性的影响
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-28 DOI: 10.15330/pcss.24.2.385-391
V. Semeshkin, R. Cherkez, A. Zhukova, V.V. Stefiuk
{"title":"The influence of the plates on the effectiveness of penetrating thermoelements in the cooling regime","authors":"V. Semeshkin, R. Cherkez, A. Zhukova, V.V. Stefiuk","doi":"10.15330/pcss.24.2.385-391","DOIUrl":"https://doi.org/10.15330/pcss.24.2.385-391","url":null,"abstract":"This paper describes the physical model of the penetrating thermoelement with the developed surface of warmth exchange for the cooling of the air’s flow. It presents the theory of the calculation and the method of the computer modeling of the temperature’s and potential’s allocation, the definition of the effectiveness of the energy’s transformation – the cooling factor and the cooling efficiency. This work researches the 3D temperature’s and materials’ allocation for the material of the branches of the thermoelement based on Bi2Te3.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77154070","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}
引用次数: 0
Structural, morphological and photocatalytic properties of nanostructured TiO2/AgI photocatalyst 纳米TiO2/AgI光催化剂的结构、形态及光催化性能
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-27 DOI: 10.15330/pcss.24.2.374-384
I. Mironyuk, N. Danyliuk, L. Turovska, I. Mykytyn, V. Kotsyubynsky
{"title":"Structural, morphological and photocatalytic properties of nanostructured TiO2/AgI photocatalyst","authors":"I. Mironyuk, N. Danyliuk, L. Turovska, I. Mykytyn, V. Kotsyubynsky","doi":"10.15330/pcss.24.2.374-384","DOIUrl":"https://doi.org/10.15330/pcss.24.2.374-384","url":null,"abstract":"Nanostructured TiO2/AgI photocatalyst under the action of ultraviolet or visible electromagnetic radiation effectively neutralizes organic pollutants in the aqueous environment. It is a nanostructure in which micro- and small mesopores of anatase TiO2 are filled with silver iodide in the superionic state. The content of the α-AgI ion-conducting phase in the volume of ТіО2 pores can be ~20 wt %. \u0000To obtain a photocatalyst, titanium dioxide is synthesized by the sol-gel method, using a titanium aquacomplex solution [Ti(OH2)6]3+•3Cl- and a Na2CО3 modifier additive as a precursor. The modifying additive during synthesis ensures the fixation of =О2СО carbonate groups on the surface of oxide material particles. The presence of these groups leads to an increase in both the pore volume and the specific surface area of ТіО2. The specific surface area of carbonized titanium dioxide is 368 m2•g-1, the pore volume is 0.28 cm3•g-1, and their size is 0.9-4.5 nm. \u0000To fill the micro- and small mesopores of TiO2 with the superionic α-AgI phase, Ag+ cations are first adsorbed from the AgNO3 solution on the titanium dioxide surface, and then the oxide material is contacted with the KI solution. \u0000Compared to the Evonik P25-TiO2 photocatalyst, the nanostructured TiO2/AgI photocatalyst demonstrates a significantly higher efficiency of photodegradation of organic dyes Congo Red and Methyl Orange in visible and ultraviolet radiation. The most active ТіО2/40AgI sample achieved complete degradation of the CR dye in 6 minutes of UV irradiation, while the efficiency of commercial Р25-TiO2 over the same time was only 42%.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"335 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75055452","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}
引用次数: 0
THE The ternary system Hf–Re–Al at 1000 °C 在1000℃下，三元体系Hf-Re-Al
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-27 DOI: 10.15330/pcss.24.2.361-366
L. Zinko, G. Nychyporuk, Oksana Matselko, R. Gladyshevskii
{"title":"THE The ternary system Hf–Re–Al at 1000 °C","authors":"L. Zinko, G. Nychyporuk, Oksana Matselko, R. Gladyshevskii","doi":"10.15330/pcss.24.2.361-366","DOIUrl":"https://doi.org/10.15330/pcss.24.2.361-366","url":null,"abstract":"The interaction of the components in the Hf–Re–Al system was investigated by X-ray powder diffraction and scanning electron microscopy with energy-dispersive X-ray spectroscopy. The isothermal section of the phase diagram at 1000 °C was constructed in the full concentration range. A new ternary compound ~Hf5Re2Al2, isostructural with Ti5Ga4 (hP18, P63/mcm), and two extended solid solutions Hf(Re,Al)2 were found.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"8 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90075869","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}
引用次数: 0
Low-temperature anomalies and nanosized levels formation of self-organized structures in the non-crystalline solids of As(Ge)-S(Se) systems As(Ge)-S(Se)非晶固体中低温异常和纳米级自组织结构的形成
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-27 DOI: 10.15330/pcss.24.2.367-373
M. Mar’yan, N. Yurkovych, V. Šebeň
{"title":"Low-temperature anomalies and nanosized levels formation of self-organized structures in the non-crystalline solids of As(Ge)-S(Se) systems","authors":"M. Mar’yan, N. Yurkovych, V. Šebeň","doi":"10.15330/pcss.24.2.367-373","DOIUrl":"https://doi.org/10.15330/pcss.24.2.367-373","url":null,"abstract":"The relationship between low-temperature anomalies of physical and chemical properties and the formation of self-organized structures in non-crystalline solids of the As(Ge)-S(Se) systems is discussed. Obtained temperature dependences for the specific heat capacity and coefficient of linear expansion in the temperature domain , detailing the linear and nonlinear contributions. The influence of the obtaining conditions of non-crystalline solids on the low-temperature behavior of physico-chemical properties and the change in the ratios of various contributions and temperature intervals is considered. The correlation and common features of the formation of self-organized structures of non-crystalline materials in the region of low temperatures and softening temperatures, manifested in the presence of nanolevels of structuring, are analyzed.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"68 9 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91020726","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}
引用次数: 1
Structural and sorption properties of nanoporous carbon materials obtained from walnut shells 核桃壳纳米多孔碳材料的结构与吸附性能
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-25 DOI: 10.15330/pcss.24.2.348-353
S. A. Lisovska, R.V. Ilnytskyy, R. Lisovskyy, N. Ivanichok, K. Bandura, B. Rachiy
{"title":"Structural and sorption properties of nanoporous carbon materials obtained from walnut shells","authors":"S. A. Lisovska, R.V. Ilnytskyy, R. Lisovskyy, N. Ivanichok, K. Bandura, B. Rachiy","doi":"10.15330/pcss.24.2.348-353","DOIUrl":"https://doi.org/10.15330/pcss.24.2.348-353","url":null,"abstract":"Using the method of low-temperature nitrogen adsorption/desorption, the porous structure of nanoporous carbon materials obtained by alkaline activation of light industry waste (walnut shells) with subsequent thermal modification was investigated. The optimal relationship between temperature and modification time has been established. It is shown that an increase in the modification temperature reduces the transition time of micropores into mesopores and leads to a decrease in the specific surface area and total pore volume. Thus, the material obtained at a modification temperature of 400 ºC and a holding time of 120 min is characterized by the maximum specific surface area of 940 m2/g. It has been investigated that an increase in the time of temperature modification leads to an increase in specific electrical conductivity.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"39 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87984850","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}
引用次数: 1
The epitaxial iron-yttrium garnet films with homogeneous properties and narrow FMR line width 该外延铁钇石榴石薄膜具有均匀的性能和窄的FMR线宽
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-25 DOI: 10.15330/pcss.24.2.354-360
S. Yushchuk, S.A. Yur`ev, V. Moklyak
{"title":"The epitaxial iron-yttrium garnet films with homogeneous properties and narrow FMR line width","authors":"S. Yushchuk, S.A. Yur`ev, V. Moklyak","doi":"10.15330/pcss.24.2.354-360","DOIUrl":"https://doi.org/10.15330/pcss.24.2.354-360","url":null,"abstract":"The growth of iron-yttrium garnet Y3Fe5O12 (YIG) films with of 1...15 μm thicknesses on single-crystal substrates of gallium-gadolinium garnet Gd3Ga5O12 (GGG) was carried out using the method of liquid phase epitaxy (LPE). The influence of the composition and mass of the charge, the temperature regimes, the rates of movement and the substrate rotation on the films parameters were studied. The layered structure caused by the heterogeneity of the chemical composition in the film thickness was determined and studied The dependence of the degree impurity of Pb2+ and Pt4+ ions in YIG films and their influence on the ferromagnetic resonance (FMR) line width ∆H on the films growth conditions was investigated. It’s shown that in order to obtain by the LPE method the series of defect-free films with low magnetic losses and reproducible parameters, it’s necessary to use melt-solutions of large mass (6...12 kg) and apply their additional mixing during the growth process.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"19 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85183388","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}
引用次数: 1
Manufacturing of nitinol-based alloys by using modern technology: A short review 利用现代技术制造镍钛诺基合金:综述
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-25 DOI: 10.15330/pcss.24.2.341-347
Chingiz Imamalizade
{"title":"Manufacturing of nitinol-based alloys by using modern technology: A short review","authors":"Chingiz Imamalizade","doi":"10.15330/pcss.24.2.341-347","DOIUrl":"https://doi.org/10.15330/pcss.24.2.341-347","url":null,"abstract":"The paper provides a brief review of literature data on the synthesis, processing, structure, mechanical properties, and application of nitinol and alloys based on it, which are promising functional materials found application in a number of high technologies. In addition, machine learning methods were applied to predict the temperatures of phase transformations.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"3 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78290762","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}
引用次数: 1
The influence of mercury vapor on the electrical resistance of chalcogenide amorphous films 汞蒸气对硫化物非晶薄膜电阻的影响
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-23 DOI: 10.15330/pcss.24.2.335-340
V. M. Rubish, V. Kyrylenko, M. Durkot, V. Boryk, R. Dzumedzey, I. Yurkin, M. Pop, Y. Myslo
{"title":"The influence of mercury vapor on the electrical resistance of chalcogenide amorphous films","authors":"V. M. Rubish, V. Kyrylenko, M. Durkot, V. Boryk, R. Dzumedzey, I. Yurkin, M. Pop, Y. Myslo","doi":"10.15330/pcss.24.2.335-340","DOIUrl":"https://doi.org/10.15330/pcss.24.2.335-340","url":null,"abstract":"Using the planar structures \"Ni layer - chalcogenide amorphous film - Ni layer\" and \"graphite probe - chalcogenide amorphous film graphite probe\" samples, the influence of mercury vapor on the electrical resistance of amorphous films of the Se-Te, Se-Sb and Se-As systems was investigated. It was established that exposure of samples in mercury vapor leads to a decrease in their electrical resistance by 4-7 orders of magnitude. As the temperature and mercury concentration increase, the transition time from a high-resistance state to a low-resistance state decreases. When introducing Te, Sb, and As into amorphous selenium and increasing their concentration in the composition of the films, the transition time increases, and the value of the change in resistance decreases. It was established that the change in resistance is mainly determined by the change in surface conductivity of chalcogenide films. A decrease in the electrical resistance of selenium-containing amorphous films modified with mercury is caused by the formation of HgSe crystalline inclusions in their matrix.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"3 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82195279","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}
引用次数: 0
Properties of silica porous glasses with the nanoparticle ensembles of some compounds 含某些化合物纳米粒子系综的二氧化硅多孔玻璃的性能
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-20 DOI: 10.15330/pcss.24.2.323-334
Y. Lepikh, I. Doycho
{"title":"Properties of silica porous glasses with the nanoparticle ensembles of some compounds","authors":"Y. Lepikh, I. Doycho","doi":"10.15330/pcss.24.2.323-334","DOIUrl":"https://doi.org/10.15330/pcss.24.2.323-334","url":null,"abstract":"Properties porous silica glasses are systemized in this review. Also the methods of formation of the nanoparticles’ ensembles of the substances, which are useful for the microelectronics, are described. Porous silica glasses are perspective due to their chemically resistance, mechanical strength and development of their inner surface. Own electrical resistance is too big for the porous glasses’ specimens with standard sizes, that’s why ones use them as matrixes for luminescence type of sensors mainly. The luminescent properties’ dependence on the molecular structure of investigate substances (such as dyes and metal oxides), as well as on the nanoparticle ensemble technological formation condition is studied. It is revealed to which certain gases dyes of the specified type are sensitive and why it occurs in such manners. It is shown due to which of the described nano-size systems’ properties sensitivity is appeared. Besides, one can embed a conductive phase into the pores of glass due to features of its structure. After such treatment one can use the porous glasses as matrix for formation of resistance type sensors.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"5 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81789484","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}
引用次数: 0
Sandwiched Plate Vibration Analysis with Open and Closed Lattice Cell Core 开闭格芯夹层板振动分析
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-19 DOI: 10.15330/pcss.24.2.312-322
Hussam Raad, E. Njim, M. Jweeg, M. Al-Waily
{"title":"Sandwiched Plate Vibration Analysis with Open and Closed Lattice Cell Core","authors":"Hussam Raad, E. Njim, M. Jweeg, M. Al-Waily","doi":"10.15330/pcss.24.2.312-322","DOIUrl":"https://doi.org/10.15330/pcss.24.2.312-322","url":null,"abstract":"This work attempts to replace the sandwich core's traditional shape and material with a cellular pattern, where the cells have a regular shape, distribution, and size. The contribution of this paper is to design two structures, one open-celled and the other closed, and to evaluate the performance of sandwich plates with lattice cell core as it is used for many industrial applications, particularly in automobile engineering. The new theoretical formulations are constructed for two structures to find the free vibration characteristics. The results of the new design are compared with the traditional shape. Derivation of equations to predict mechanical properties based on relative density with the chosen shapes, specific vibration equation of three-layer sandwich plate, and substitution by equation using excel sheet. Results are promising, and the effectiveness of cellular pattern theoretical analysis estimation. Limitations and error rates for the mechanical properties come through the empirical equations, and their ratio to the relative density values are higher depending on the behavior of the core material. Findings reveal, with open cell decrease in modulus of elasticity by (PLA: -90.4%) and (TPU: -90.4%), increases natural frequency by (PLA: 44.5%) and (TPU: 46.4%), as for closed-cell decreases in the modulus of elasticity by (PLA: -66.9%) and (TPU: -64.4%), increases natural frequency by (PLA: 36%) and (TPU: 37.7%). Converting a solid substance or replacing a foam form with a cellular pattern is one way to better performance and save weight through the selected cell pattern in absorbing the energy of the vibration wave.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86930200","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}
引用次数: 1
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