Zobrazeno 1 - 10
of 153
pro vyhledávání: '"A.I. Pogodin"'
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
Autor:
I.P. Studenyak, S.M. Bereznyuk, M.M. Pop, V.I. Studenyak, A.I. Pogodin, O.P. Kokhan, B. Grančič, P. Kúš
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 23, Iss 2, Pp 186-192 (2020)
(Cu1–хAgx)7SiS5I mixed crystals were grown using the vertical zone crystalliza-tion method, they have been shown to crystallize in cubic structure (). The diffuse reflection spectra for the powders of (Cu1–хAgx)7SiS5I mixed crystals were measur
Externí odkaz:
https://doaj.org/article/2631aa7972ad4aa6bbe3e7209a45c568
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 23, Iss 1, Pp 37-40 (2020)
Microhardness of (Cu1–xAgx)7GeSe5I mixed crystals and composites on their base was investigated using the Vickers indenter at room temperature. (Cu1–xAgx)7GeSe5I mixed crystals were obtained using the Bridgman–Stockbarger method. Composites on
Externí odkaz:
https://doaj.org/article/0217faba19734fcf956537bb3f69cb43
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 21, Iss 4, Pp 387-391 (2018)
Polymer composites were prepared from (Ag 1–x Cu x ) 7 GeS 5 I mixed crystals grown using Bridgman–Stockbarger method. The impedance measurements were performed at room temperature in the frequency range 10 –3 –2·10 6 Hz. The frequency depen
Externí odkaz:
https://doaj.org/article/6d6b97dedb8d45adaa1ae7cd83160290
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 21, Iss 3, Pp 273-276 (2018)
(Cu1–xAgx)7GeS5I mixed crystals were grown using the Bridgman–Stockbarger method. The hardness dependences on the indentation depth profiles in (Cu 1–x Ag x ) 7 GeS 5 I mixed crystals were investigated. The measurements of mechanical parameters
Externí odkaz:
https://doaj.org/article/479cc5edc5c14f93952680d9efdf4ca2
Autor:
O.V. Kovalchuk, I.P. Studenyak, V.Yu. Izai, S.O. Rybak, A.I. Pogodin, P. Kopčanský, M. Timko, V. Gdovinova, J. Mariano, T.M. Kovalchuk
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 20, Iss 4, Pp 437-441 (2017)
The influence of Cu7PS6 nanoparticles with the average size 117 nm on the dielectric properties of planar oriented nematic liquid crystal 6CB has been investigated within the frequency range 101…106 Hz and at the temperature 293 K. It has been show
Externí odkaz:
https://doaj.org/article/e2414e60b8134ec484eb9f9080abe0b6
Autor:
I.P. Studenyak, M.M. Luchynets, V.Yu. Izai, A.I. Pogodin, O.P. Kokhan, Yu.M. Azhniuk, D.R.T. Zahn
Publikováno v:
Semiconductor Physics, Quantum Electronics & Optoelectronics, Vol 20, Iss 3, Pp 369-374 (2017)
Mixed (Cu6PS5I)1–x(Cu7PS6)x crystals were grown using a direct crystallization technique. Being based on the X-ray diffraction data, their crystal structure was studied, showing face-centred cubic lattice for Cu6PS5I-rich solid solutions (х < 0.12
Externí odkaz:
https://doaj.org/article/45fab0a41b2740ac9f7a9f42742fcc56
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