Zobrazeno 1 - 10
of 53
pro vyhledávání: '"B. K. Ostafiychuk"'
Autor:
B. K. Ostafiychuk, H. M. Kolkovska, I. P. Yaremiy, B. I. Rachiy, P. I. Kolkovskyi, N. Ya. Ivanichok, S. I. Yaremiy
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 2, Pp 219-226 (2020)
In this work, the perovskite LaMnO3 material has been prepared based on the sol-gel process of synthesis with the participation of combustion. According to the X-ray phase analysis, it was determined that the obtained material consists of LaMnO3 one
Externí odkaz:
https://doaj.org/article/7a4899a6dc1c4f02a521fc03dabf29a2
Autor:
B. K. Ostafiychuk, M. I. Kolkovskyi, B. I. Rachiy, P. I. Kolkovskyi, N. Ya. Ivanichok, R. V. Ilnitsky
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 1, Pp 27-34 (2020)
In this work, the porous structure of the carbon material and the crystalline structure of manganese oxide α - modification (α - MnO2) have been investigated. The electrochemical performance of symmetric and asymmetric supercapacitors (α - MnO2 /
Externí odkaz:
https://doaj.org/article/7a497178d8944efbb9ee365689874f54
Publikováno v:
Фізика і хімія твердого тіла, Vol 20, Iss 2, Pp 209-214 (2019)
Based on the results of X-ray structural analysis, changes in the crystalline structure during natural aging and laser annealing, which occurred in near-surface layers of epitaxial films of LaGa-substituted Iron-Yttrium Garnet, implanted by F+ ions,
Externí odkaz:
https://doaj.org/article/4f06a95ad61e48b38582a27547d605ff
Publikováno v:
Фізика і хімія твердого тіла, Vol 18, Iss 1, Pp 102-110 (2018)
In this work by using sol-gel auto-combustion synthesis was synthesized single-phase magnesium-substituted lithium ferrite at different pH reaction medium. The synthesized materials were investigated by X-ray and Mossbauer methods. It was shown that
Externí odkaz:
https://doaj.org/article/ed4fd921a6f6401e980a72bfee9a3ab9
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 4, Pp 575-581 (2017)
The paper presents the results of studies of electrochemical properties of composite MoS2/C. It is shown that the contribution to the conductivity of composites makes a charge accumulation capacitive nature inherent in high-conductive carbon, which i
Externí odkaz:
https://doaj.org/article/2fad4458217c4665bfbfece41abcd965
Effect of pH of the Reaction Mediumon the Structure and Properties of Spinel-Type Ferrite Nanopowder
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 1, Pp 70-75 (2017)
In this work using sol-gel auto-combustion synthesis was synthesised single-phase magnesium-substituted lithium ferrite at different pH reaction medium. The synthesized materials were investigated by X-ray and Mossbauer methods. It was shown that the
Externí odkaz:
https://doaj.org/article/5f766a4e69bf406492d781177ecdaff1
Autor:
R. V. Ilnіtskyy, B. K. Ostafiychuk, I. M. Budzulyak, M. Ya. Sichka, S. V. Voytkiv, M. I. Gasyuk
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 4, Pp 564-569 (2017)
It has been established that in the process of intercalation/deintercalation of lithium ions into the MgF2-based cathode material, thediffusion coefficient is (1-3)·10-12сm2 /s during intercalation and(0,6-3)·10-11сm2 /s during the inverse proces
Externí odkaz:
https://doaj.org/article/ba33f9fcf49a4afb8d89e63cea0aa5ea
Autor:
V. O. Kotsyubynsky, I. F. Myronyuk, B. K. Ostafiychuk, V. L. Chelyadyn, A. B. Hrubiak, I. I. Hryhoruk
Publikováno v:
Journal of Vasyl Stefanyk Precarpathian National University, Vol 3, Iss 1, Pp 29-37 (2016)
We have proposed and experimentally tested a phenomenological model of SO42- sulphate anions effect on the titania nucleation during hydrolysis of titanium tetrachloride. Sulphate anions form the chelating bidentate complexes with primary [Ti(OH)h(OH
Externí odkaz:
https://doaj.org/article/c17ef7b8ce6e4af8adfbefe0f790225f
Publikováno v:
Фізика і хімія твердого тіла, Vol 16, Iss 1, Pp 181-184 (2016)
The aim of this work was to create and study of ferrite lanthanum powders, using sol-gel technology with participation of auto-combustion. After the sintering at a temperature of 1123 K only one phase, which corresponded to the solid solution LaFeO3,
Externí odkaz:
https://doaj.org/article/3a61e8964a754aa3916eb3e5236d7176
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 2, Pp 307-312 (2021)
In article present the results of low-temperature Mossbauer studies of iron (III) oxide/hydroxide nanocomposite synthesized by the method of deposition. Based on these studies, the composition of the synthesized composite was revealed. The nanodisper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5839d6eabdcb486955cbdaab087cd8d2
https://doi.org/10.15330/pcss.22.2.307-312
https://doi.org/10.15330/pcss.22.2.307-312