Zobrazeno 1 - 10
of 64
pro vyhledávání: '"M.J. Filep"'
Autor:
I.P. Studenyak, A.I. Pogodin, I.A. Shender, S.M. Bereznyuk, M.J. Filep, O.P. Kokhan, P. Kopcansky
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 23, Iss 3, Pp 260-266 (2020)
Copper-enriched (Cu0.75Ag0.25)7SiS5I-based ceramics were prepared from the micro- and nanopowders by pressing and sintering under developed technological conditions. Structural studies at different process step stages of ceramic samples preparation w
Externí odkaz:
https://doaj.org/article/37d71cd50f0b4d91baeeb6ad51c6582c
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 48:38-42
Cationic ion-conductors have found wide practical application as electric batteries. Among them the lithium-ion batteries are the most common commercially used. However, research is being actively carried out to improve the safety of these batteries.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90b0ebee10d73188fea717dfa2f5a01a
https://doi.org/10.24144/2414-0260.2022.2.38-42
https://doi.org/10.24144/2414-0260.2022.2.38-42
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 48:5-9
Ternary silver argyrodites exhibit a wide range of properties and are classified as promising solid-state conductors, thermoelectrics, photovoltaic and nonlinear optical materials. This is ensured by the peculiarity of the crystal structure of argyro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40f04d94dad381eb73d9d7705b16e788
https://doi.org/10.24144/2414-0260.2022.2.5-9
https://doi.org/10.24144/2414-0260.2022.2.5-9
Autor:
T.O. Malakhovska, A.I. Pogodin, M.J. Filep, M.M. Pop, I.O. Shender, O.P. Kokhan, Yu.P. Zhukova, Ya.I. Studenyak, L.M. Suslikov
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 48:16-22
This work is devoted to the preparation of dense Ag+ conductive ceramic solid electrolytes in the Ag6PS5I‒Ag7GeS5I system and to the study of their electrical and optical properties. Using the non-destructive and simple method of optical diffuse re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ada29cedc85703d344955f82e0cdc1c4
https://doi.org/10.24144/2414-0260.2022.2.16-22
https://doi.org/10.24144/2414-0260.2022.2.16-22
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 47:53-57
The mineral Ag8GeS6 is the first compound of a wide class of tetrahedrally close packed phases united by the common name argyrodites. Ternary argyrodites are complex chalcogenides formed on the basis of multi- and single-charged cations. Structural p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5532d10c1b76f095ea061265976c5723
https://doi.org/10.24144/2414-0260.2022.1.53-57
https://doi.org/10.24144/2414-0260.2022.1.53-57
Autor:
T.O. Malakhovska, A.I. Pogodin, M.J. Filep, I.E. Barchii, M. Piasecki, O.P. Kokhan, Yu.P. Zhukova, Ya.I. Studenyak
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 47:11-18
This paper is aimed to the determination of the optical pseudogap values in phases with argyrodite structure by a simple method of diffuse reflectance spectroscopy. Samples of (Cu1-xAgx)7PSe6 (x = 0, 0.2, 0.3, 0.4, 0.6, 0.7, 0.9, 1.0) solid solutions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87bfc3c754e9b4f906414f7379382d73
https://doi.org/10.24144/2414-0260.2022.1.11-18
https://doi.org/10.24144/2414-0260.2022.1.11-18
Autor:
T.O. Malakhovska, A.I. Pogodin, M.J. Filep, M.M. Pop, I.O. Shender, O.P. Kokhan, Yu.Yu. Vasko, Yu.P. Zhukova, Ya.I. Studenyak, L.M. Suslikov
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 47:46-52
The present paper is devoted to the comparison of the determination methods of the optical pseudogap values of Ag7(Si1-xGex)S5I (x = 0, 0.2, 0.4, 0.6, 0.8, 1.0) solid solutions by means of two optical spectroscopy techniques: optical absorption and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e96dd5279dc2269b374d135c95c8f3e1
https://doi.org/10.24144/2414-0260.2022.1.46-52
https://doi.org/10.24144/2414-0260.2022.1.46-52
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 46:28-34
The study of physicochemical interaction was carried out by investigation of 12 samples within the Ag7PSe6 – AgSbP2Se6 system by DTA and XRD methods. The starting materials: Ag7PSe6 and AgSbP2Se6 were pre-synthesized from the elementary components
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e365d3cdb73d6913094e7ed6b1ed15b3
https://doi.org/10.24144/2414-0260.2021.2.28-34
https://doi.org/10.24144/2414-0260.2021.2.28-34
Publikováno v:
Semiconductor Physics, Quantum Electronics and Optoelectronics. 24:241-247
High-quality single crystals of Ag7(Si1–xGex)S5I (x = 0.2, 0.4, 0.6, 0.8) solid solutions are grown from the solution–melt by vertical zone crystallization method. The measurements of electrical conductivity of Ag7(Si1–xGex)S5I solid solutions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74cd5a22d6c105647ddba647a6a6e987
https://doi.org/10.15407/spqeo24.03.241
https://doi.org/10.15407/spqeo24.03.241
Autor:
c Bem Sq., Debrecen, Hungary, V. Takats, Sándor Kökényesi, V.I. Studenyak, Ihor Studenyak, M.J. Filep, A.I. Pogodin, O.P. Kokhan, T.O. Malakhovska, a Bem Sq., Debrecen, Hungary
Publikováno v:
Semiconductor Physics, Quantum Electronics and Optoelectronics. 24:131-138
Ceramic samples based on the microcrystalline powders (Cu1–хAgx)7GeSe5I (x = 0, 0.25, 0.5, 0.75, 1) were prepared by pressing them at the pressure close to 400 MPa and subsequent annealing at 873 K for 36 hours. Using the microstructural analysis,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c95cb54ad9e2888a15bdea9d8c36648
https://doi.org/10.15407/spqeo24.02.131
https://doi.org/10.15407/spqeo24.02.131