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Research of CdS/L-cystein colloid solutions using the method of mathematical planning 利用数学规划方法研究 CdS/L-cystein 胶体溶液
Physics and Chemistry of Solid State Pub Date : 2024-02-09 DOI: 10.15330/pcss.25.1.45-50
O. Krupko
{"title":"Research of CdS/L-cystein colloid solutions using the method of mathematical planning","authors":"O. Krupko","doi":"10.15330/pcss.25.1.45-50","DOIUrl":"https://doi.org/10.15330/pcss.25.1.45-50","url":null,"abstract":"In the work, the additive effect of the content of crystal-forming ions Сd2+ and S2- and the stabilizer L-Cys using the method of mathematical planning of the experiment on the process of formation of CdS/L-Cys nanoparticles in potentially oxidizing conditions (without deaeration of precursor solutions) and the optical properties of colloidal solutions were investigated. obtained under conditions of pH = 7 and temperature of 220C. By statistical processing of the results, equations were obtained and diagrams of concentration dependences of the wavelength of the optical absorption edge of colloidal solutions of CdS semiconductor nanoparticles in the Сd2+ – L-Cys – S2- system were constructed. \u0000 ","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139790800","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 effect of thermal modification of turbostratic carbon on its fractal structure 热改性透平碳对其分形结构的影响
Physics and Chemistry of Solid State Pub Date : 2024-02-09 DOI: 10.15330/pcss.25.1.51-56
V. Mandzyuk, R. Lisovskiy, Yu.O. Kulyk, B. Rachiy, R.V. Solomovskyi
{"title":"The effect of thermal modification of turbostratic carbon on its fractal structure","authors":"V. Mandzyuk, R. Lisovskiy, Yu.O. Kulyk, B. Rachiy, R.V. Solomovskyi","doi":"10.15330/pcss.25.1.51-56","DOIUrl":"https://doi.org/10.15330/pcss.25.1.51-56","url":null,"abstract":"Fractal structure of porous carbon materials (PCMs) obtained by thermal modification under different regimes was investigated using the method of low-temperature porometry. It was established that at modification temperatures of 300 and 600°C, materials with a developed microporous structure are formed, the surface fractal dimension of which is 2.6. At modification temperatures of 400 and 500°C, the value of the fractal dimension of the surface decreases to a value of 2.22, which indicates the formation of an almost smooth surface due to the intensive removal of carbon atoms from the near-surface layers of the material particles, a decrease in the number of micropores with their transition into mesopores, unification of small carbon clusters into larger ones and the formation of microparticles of non-porous carbon material.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139789954","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 and morphological properties of CdSe1-xSx thin films obtained by the method of high-frequency magnetron sputtering 用高频磁控溅射法获得的 CdSe1-xSx 薄膜的结构和形态特性
Physics and Chemistry of Solid State Pub Date : 2024-02-08 DOI: 10.15330/pcss.25.1.40-44
A. I. Kashuba, I. Semkiv, B. Andriyevsky, H. Ilchuk, N.T. Pokladok
{"title":"Structural and morphological properties of CdSe1-xSx thin films obtained by the method of high-frequency magnetron sputtering","authors":"A. I. Kashuba, I. Semkiv, B. Andriyevsky, H. Ilchuk, N.T. Pokladok","doi":"10.15330/pcss.25.1.40-44","DOIUrl":"https://doi.org/10.15330/pcss.25.1.40-44","url":null,"abstract":"CdSe1-xSx (x= 0.3, 0.4 and 0.6) thin films were deposited on quartz and silicon substrates by the method of high-frequency magnetron sputtering. The chemical composition analysis and crystal structure refinement was examined with using X-ray fluorescence spectroscopy and X-ray diffraction data. CdSe1-xSx thin films crystallizes in hexagonal structure (structure type – ZnO, space group P63mc (No. 186)). The lattice parameters (a, c and V), crystallite size (D), strain (ε), dislocation density (δ) and the texture coefficient TC(hkl) was estimated from X-ray diffraction analysis. Units-cell parameters decrease with increasing S content in CdSe1-xSx thin film.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139794047","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 and morphological properties of CdSe1-xSx thin films obtained by the method of high-frequency magnetron sputtering 用高频磁控溅射法获得的 CdSe1-xSx 薄膜的结构和形态特性
Physics and Chemistry of Solid State Pub Date : 2024-02-08 DOI: 10.15330/pcss.25.1.40-44
A. I. Kashuba, I. Semkiv, B. Andriyevsky, H. Ilchuk, N.T. Pokladok
{"title":"Structural and morphological properties of CdSe1-xSx thin films obtained by the method of high-frequency magnetron sputtering","authors":"A. I. Kashuba, I. Semkiv, B. Andriyevsky, H. Ilchuk, N.T. Pokladok","doi":"10.15330/pcss.25.1.40-44","DOIUrl":"https://doi.org/10.15330/pcss.25.1.40-44","url":null,"abstract":"CdSe1-xSx (x= 0.3, 0.4 and 0.6) thin films were deposited on quartz and silicon substrates by the method of high-frequency magnetron sputtering. The chemical composition analysis and crystal structure refinement was examined with using X-ray fluorescence spectroscopy and X-ray diffraction data. CdSe1-xSx thin films crystallizes in hexagonal structure (structure type – ZnO, space group P63mc (No. 186)). The lattice parameters (a, c and V), crystallite size (D), strain (ε), dislocation density (δ) and the texture coefficient TC(hkl) was estimated from X-ray diffraction analysis. Units-cell parameters decrease with increasing S content in CdSe1-xSx thin film.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139853866","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
Average decayed dynamics of one-step transformation process with randomly varying return transition rate 返回过渡率随机变化的一步转换过程的平均衰减动力学
Physics and Chemistry of Solid State Pub Date : 2024-02-05 DOI: 10.15330/pcss.25.1.35-39
O. Kapitanchuk, V. Teslenko
{"title":"Average decayed dynamics of one-step transformation process with randomly varying return transition rate","authors":"O. Kapitanchuk, V. Teslenko","doi":"10.15330/pcss.25.1.35-39","DOIUrl":"https://doi.org/10.15330/pcss.25.1.35-39","url":null,"abstract":"The problem of stochastic averaging of the decayed dynamics of the output state population of a one-step transformation process with constant deterministic forward transition rate and randomly varying return transition rate is solved in approximation where random variation is modeled as a dichotomous stochastic process. The form of the obtained solution represented as a product between bimodal sigmoid rise of average population and its unimodal exponential decay is shown to largely be dependent on the stochastic frequency and amplitude parameters. For example, at high stochastic frequency, the behavior of population is reduced to that of a decayed one-step deterministic system. However, for resonance stochastic amplitude at low stochastic frequency, such behavior coincides with that of three-exponential rise-decay kinetics typical rather of a three-step deterministic slowly decaying process. Thus, there is an equivalence between using a more complex deterministic kinetic model and a less complex stochastic kinetic model for describing the decayed dynamics of different irreversible systems.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139866101","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
Average decayed dynamics of one-step transformation process with randomly varying return transition rate 返回过渡率随机变化的一步转换过程的平均衰减动力学
Physics and Chemistry of Solid State Pub Date : 2024-02-05 DOI: 10.15330/pcss.25.1.35-39
O. Kapitanchuk, V. Teslenko
{"title":"Average decayed dynamics of one-step transformation process with randomly varying return transition rate","authors":"O. Kapitanchuk, V. Teslenko","doi":"10.15330/pcss.25.1.35-39","DOIUrl":"https://doi.org/10.15330/pcss.25.1.35-39","url":null,"abstract":"The problem of stochastic averaging of the decayed dynamics of the output state population of a one-step transformation process with constant deterministic forward transition rate and randomly varying return transition rate is solved in approximation where random variation is modeled as a dichotomous stochastic process. The form of the obtained solution represented as a product between bimodal sigmoid rise of average population and its unimodal exponential decay is shown to largely be dependent on the stochastic frequency and amplitude parameters. For example, at high stochastic frequency, the behavior of population is reduced to that of a decayed one-step deterministic system. However, for resonance stochastic amplitude at low stochastic frequency, such behavior coincides with that of three-exponential rise-decay kinetics typical rather of a three-step deterministic slowly decaying process. Thus, there is an equivalence between using a more complex deterministic kinetic model and a less complex stochastic kinetic model for describing the decayed dynamics of different irreversible systems.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139805937","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
Selective laser sintering of amorphous nanoparticles: Molecular dynamics simulations 无定形纳米颗粒的选择性激光烧结：分子动力学模拟
Physics and Chemistry of Solid State Pub Date : 2024-02-04 DOI: 10.15330/pcss.25.1.5-13
I. Shtablavyi, N. Popilovskyi, Yu. Nykyruy, S. Mudry
{"title":"Selective laser sintering of amorphous nanoparticles: Molecular dynamics simulations","authors":"I. Shtablavyi, N. Popilovskyi, Yu. Nykyruy, S. Mudry","doi":"10.15330/pcss.25.1.5-13","DOIUrl":"https://doi.org/10.15330/pcss.25.1.5-13","url":null,"abstract":"The paper investigates the process of liquid-phase sintering of amorphous iron-based nanoparticles by the method of molecular dynamics simulations. The classical molecular dynamics package LAMMPS was used for modeling. Visual analysis of the atomic configurations of nanoparticles during their rapid cooling revealed the self-purification effect of the particles. Partial pair correlation functions and coordination number distribution functions were used to analyze the atomic structure of nanoparticles after sintering. As a result of the analysis of the main structural parameters, which were obtained using the specified functions, differences in the atomic composition and structure of the volume and surface of nanoparticles were established.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139806599","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
Solid – phase equilibria and thermodynamic properties of the Sb-Te-S system Sb-Te-S 系统的固相平衡和热力学性质
Physics and Chemistry of Solid State Pub Date : 2024-02-04 DOI: 10.15330/pcss.25.1.26-34
F.R. Aliyev, E. Orujlu, L. F. Mashadiyeva, G. B. Dashdiyeva, D. Babanly
{"title":"Solid – phase equilibria and thermodynamic properties of the Sb-Te-S system","authors":"F.R. Aliyev, E. Orujlu, L. F. Mashadiyeva, G. B. Dashdiyeva, D. Babanly","doi":"10.15330/pcss.25.1.26-34","DOIUrl":"https://doi.org/10.15330/pcss.25.1.26-34","url":null,"abstract":"The powder X-ray diffraction (PXRD) analysis and the electromotive force (emf) measurements have been used to investigate the Sb–Te–S system in the Sb2S3-Sb2Te3-Te-S composition region at 300–450 K temperatures interval. Relative partial molar functions of antimony in alloys have been calculated and obtained data have been used to get self-consistent sets of the standard Gibbs free energy, standard enthalpy, and standard entropy of the Sb2S3 and Sb2Te2S compounds, as well as the Sb2Te2,4S0,6 and Sb2Te2,7S0,3 solid solutions. The data obtained for Sb2S3 have been compared to the ones available in the literature. Thermodynamic functions of the Sb2Te2S compound, as well as, the Sb2Te2,4S0,6 and Sb2Te2,7S0,3 solid solutions have been determined for the first time.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139807146","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
Selective laser sintering of amorphous nanoparticles: Molecular dynamics simulations 无定形纳米颗粒的选择性激光烧结：分子动力学模拟
Physics and Chemistry of Solid State Pub Date : 2024-02-04 DOI: 10.15330/pcss.25.1.5-13
I. Shtablavyi, N. Popilovskyi, Yu. Nykyruy, S. Mudry
{"title":"Selective laser sintering of amorphous nanoparticles: Molecular dynamics simulations","authors":"I. Shtablavyi, N. Popilovskyi, Yu. Nykyruy, S. Mudry","doi":"10.15330/pcss.25.1.5-13","DOIUrl":"https://doi.org/10.15330/pcss.25.1.5-13","url":null,"abstract":"The paper investigates the process of liquid-phase sintering of amorphous iron-based nanoparticles by the method of molecular dynamics simulations. The classical molecular dynamics package LAMMPS was used for modeling. Visual analysis of the atomic configurations of nanoparticles during their rapid cooling revealed the self-purification effect of the particles. Partial pair correlation functions and coordination number distribution functions were used to analyze the atomic structure of nanoparticles after sintering. As a result of the analysis of the main structural parameters, which were obtained using the specified functions, differences in the atomic composition and structure of the volume and surface of nanoparticles were established.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139866224","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
Solid – phase equilibria and thermodynamic properties of the Sb-Te-S system Sb-Te-S 系统的固相平衡和热力学性质
Physics and Chemistry of Solid State Pub Date : 2024-02-04 DOI: 10.15330/pcss.25.1.26-34
F.R. Aliyev, E. Orujlu, L. F. Mashadiyeva, G. B. Dashdiyeva, D. Babanly
{"title":"Solid – phase equilibria and thermodynamic properties of the Sb-Te-S system","authors":"F.R. Aliyev, E. Orujlu, L. F. Mashadiyeva, G. B. Dashdiyeva, D. Babanly","doi":"10.15330/pcss.25.1.26-34","DOIUrl":"https://doi.org/10.15330/pcss.25.1.26-34","url":null,"abstract":"The powder X-ray diffraction (PXRD) analysis and the electromotive force (emf) measurements have been used to investigate the Sb–Te–S system in the Sb2S3-Sb2Te3-Te-S composition region at 300–450 K temperatures interval. Relative partial molar functions of antimony in alloys have been calculated and obtained data have been used to get self-consistent sets of the standard Gibbs free energy, standard enthalpy, and standard entropy of the Sb2S3 and Sb2Te2S compounds, as well as the Sb2Te2,4S0,6 and Sb2Te2,7S0,3 solid solutions. The data obtained for Sb2S3 have been compared to the ones available in the literature. Thermodynamic functions of the Sb2Te2S compound, as well as, the Sb2Te2,4S0,6 and Sb2Te2,7S0,3 solid solutions have been determined for the first time.","PeriodicalId":509433,"journal":{"name":"Physics and Chemistry of Solid State","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139866749","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
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