Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Ivanchenko, Serhii"'
Autor:
Gudenko, Juliya M., Pylypchuk, Oleksandr S., Vainberg, Victor V., Gvozdovskyy, Igor A., Ivanchenko, Serhii E., Stetsenko, Denis O., Morozovsky, Nicholas V., Poroshin, Volodymir N., Eliseev, Eugene A., Morozovska, Anna N.
We reveal the visible influence of the ultra-small concentrations (1 wt.% or less) of the BaTiO3 nanoparticles (average size 24 nm) on the current-voltage characteristics and capacitance of the dielectric liquid crystal (LC) 5CB. The pure LC cell dem
Externí odkaz:
http://arxiv.org/abs/2411.14118
Autor:
Kasian, Natalia A., Lisetski, Longin N., Ivanchenko, Serhii E., Chornous, Vitalii O., Bogatyryova, Halyna V., Gvozdovskyy, Igor A.
It has been found that in mixtures of nematic E7 and smectogenic cholesteryl oleyl carbonate (COC) the S$_A$-N* transition temperature is substantially (by ~20 K) increased, as compared with pure COC, at E7 concentrations around ~40%. Within the same
Externí odkaz:
http://arxiv.org/abs/2408.00650
Autor:
Pylypchuk, Oleksandr S., Ivanchenko, Serhii E., Yelisieiev, Mykola Y., Nikolenko, Andrii S., Styopkin, Victor I., Pokhylko, Bohdan, Kushnir, Vladyslav, Stetsenko, Denis O., Bereznykov, Oleksii, Leschenko, Oksana V., Eliseev, Eugene A., Poroshin, Vladimir N., Morozovsky, Nicholas V., Vainberg, Victor V., Morozovska, Anna N.
We revealed the anomalous temperature behavior of the giant dielectric permittivity and unusual frequency dependences of the pyroelectric response of the fine-grained ceramics prepared by the spark plasma sintering of the ferroelectric BaTiO3 nanopar
Externí odkaz:
http://arxiv.org/abs/2407.01108
Autor:
Morozovska, Anna N., Pylypchuk, Oleksandr S., Ivanchenko, Serhii, Eliseev, Eugene A., Shevliakova, Hanna V., Korolevich, Lubomir, Yurchenko, Lesya P., Shyrokov, Oleksandr V., Morozovsky, Nicholas V., Poroshin, Vladimir N., Kutnjak, Zdravko, Vainberg, Victor V.
Publikováno v:
Ceramics International 50 (7b), 11743 (2024)
Analytical results obtained within Landau-Ginzburg-Devonshire approach and effective media models, predict that the synergy of size effects and Vegard stresses can significantly enhance the electrocaloric cooling (up to 7 times) of the BaTiO3 nanopar
Externí odkaz:
http://arxiv.org/abs/2309.03187
Autor:
Pylypchuk, Oleksandr S., Ivanchenko, Serhii E., Zagorodniy, Yuriy O., Yelisieiev, Mykola E., Shyrokov, Oleksandr V., Leschenko, Oksana V., Bereznykov, Oleksii, Stetsenko, Denis, Skapin, Sreco Davor, Eliseev, Eugene A., Poroshin, Vladimir N., Vainberg, Victor V., Morozovska, Anna N.
Publikováno v:
In Ceramics International 15 November 2024 50(22) Part A:45465-45478
Autor:
Morozovska, Anna N., Pylypchuk, Oleksandr S., Ivanchenko, Serhii, Eliseev, Eugene A., Shevliakova, Hanna V., Korolevych, Liubomir M., Yurchenko, Lesya P., Shyrokov, Oleksandr V., Morozovsky, Nicholas V., Poroshin, Vladimir N., Kutnjak, Zdravko, Vainberg, Victor V.
Publikováno v:
In Ceramics International 1 April 2024 50(7) Part B:11743-11755
Akademický článek
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Practical implementation of the Niederreiter modified cryptocode system on truncated elliptic codes
Autor:
Yevseiev, Serhii, Tsyhanenko, Oleksii, Ivanchenko, Serhii, Aleksiyev, Volodymyr, Verheles, Dmytrо, Volkov, Sergey, Korolev, Roman, Kots, Hryhorii, Milov, Oleksandr, Shmatko, Olexander
Publikováno v:
Eastern-European Journal of Enterprise Technologies; Том 6, № 4 (96) (2018): Mathematics and Cybernetics-applied aspects; 24-31
Восточно-Европейский журнал передовых технологий; Том 6, № 4 (96) (2018): Математика и кибернетика-прикладные аспекты; 24-31
Східно-Європейський журнал передових технологій; Том 6, № 4 (96) (2018): Математика та кібернетика-прикладні аспекти; 24-31
Восточно-Европейский журнал передовых технологий; Том 6, № 4 (96) (2018): Математика и кибернетика-прикладные аспекты; 24-31
Східно-Європейський журнал передових технологій; Том 6, № 4 (96) (2018): Математика та кібернетика-прикладні аспекти; 24-31
On the basis of the practical implementation of the classic Niederreiter scheme for non-binary codes, a pattern has been identified for practical implementation –fixing the admissible position vectors of the plaintext transformation based on equili