Перегляд за автором "Kovalchuk, T.M."

Результати 1-10 з 10

Dielectric and electro-optical properties of solutions of chemically modified fullerene С60 in nematic liquid crystal

Vovk, V.E.; Kovalchuk, O.V.; Gorishnyj, M.P.; Kovalchuk, T.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2011)

Solutions of fullerene molecules С60 with chemically attached molecules of diamine (С60D) in planar oriented nematic liquid crystal (NLC) were obtained by only heating and ultrasonic processing. The С60D concentration ...
Effect of magnetic nanoparticles with various geometrical shapes on morphology and dielectric properties of nanodispersions of nematic liquid crystal in polymer matrix

Kopčansky, P.; Timko, M.; Mitrova, Z.; Zavisova, V.; Koneracka, M.; Tomašovičova, N.; Tomčo, L.; Kovalchuk, O.V.; Bykov, V.M.; Kovalchuk, T.M.; Lad, A.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2013)

Prepared in this work are dispersions of nematic liquid crystal in polyvinyl alcohol with sizes of liquid phase inclusions less than one micrometer (nano-polymer dispersed liquid crystal (PDLC)) by changing technology ...
Influence of superionic nanoparticles Cu₆PS₅I on dielectric properties of nematic liquid crystal 6СНВТ

Studenyak, I.P.; Demko, P.Yu.; Bendak, A.V.; Kovalchuk, O.V.; Kovalchuk, T.M.; Lisý, V.; Kopčanský, P.; Timko, M.; Tomašovičová, N.; Zavisova, V.; Gdovinova, V.; Miskuf, J.; Oleinikova, I.V.; Lad, A.I.; Kucheriavchenkova, N.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)

Within the frequency range 10…10⁶ Hz, the influence of Cu₆PS₅І nanoparticles on the dielectric properties of planar oriented liquid crystal 6СНВТ has been studied. It has been shown that nanoparticles lead to an increase ...
Influence of superionic nanoparticles Cu₆PS₅I on dielectric properties of nematic liquid crystal 6СНВТ

Studenyak, I.P.; Demko, P.Yu.; Bendak, A.V.; Kovalchuk, O.V.; Kovalchuk, T.M.; Lisý, V.; Kopčanský, P.; Timko, M.; Tomašovičová, N.; Zavisova, V.; Gdovinova, V.; Miskuf, J.; Oleinikova, I.V.; Lad, A.I.; Kucheriavchenkova, N.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)

Within the frequency range 10…10⁶ Hz, the influence of Cu₆PS₅I nanoparticles on the dielectric properties of planar oriented liquid crystal 6СНВТ has been studied. It has been shown that nanoparticles lead to an increase ...
Morphology and dielectric properties of polymer dispersed liquid crystal with magnetic nanoparticles

Kopčanský, P.; Timko, M.; Mitrova, Z.; Zavisova, V.; Koneracká, M.; Tomašovičov, N.; Tomčo, L.; Gornitska, O.P.; Kovalchuk, O.V.; Bykov, V.M.; Kovalchuk, T.M.; Studenyak, I.P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2010)

It has been shown that introduction of magnetic nanoparticles (MN) of various shapes with the concentration 10⁻¹ wt.% into polymer dispersed liquid crystal (PDLC) causes two effects: the size of liquid crystal droplets ...
Multiferroic based on nematic liquid crystal and nanoparticles

Kovalchuk, O.V.; Kovalchuk, T.M.; Kucheriavchenkova, N.M.; Sydorchuk, V.V.; Khalameida, S.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2016)

Multiferroics stable in morphological parameters has been created by introducing ferromagnetic (Fe₂O₃) and ferroelectric (LiNbO₃) nanoparticles with the concentration 0.3 wt.% into nematic liquid crystal 6СНВТ. Being based ...
Nonadditive changes in conductivity of micro PDLC under the influence of carbon nanotubes and magnetic nanoparticles

Kopčansky, P.; Timko, M.; Mitrova, Z.; Zavisova, V.; Koneracka, M.; Tomašovičova, N.; Tomčo, L.; Kovalchuk, O.V.; Bykov, V.M.; Kovalchuk, T.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2013)

Investigated in this work has been the effect of impurities – magnetic nanoparticles (MN) and multiwall carbon nanotubes (MWNT) – separately and together on morphology and dielectric properties of nematic liquid crystal ...
Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black

Kuryptya, Ya.A.; Savchenko, B.M.; Kovalchuk, O.V.; Kovalchuk, T.M.; Shostak, T.S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2016)

By using the oscilloscope method within the frequency range 10 to 10⁶ Hz at the temperature 492.1 K and pressure 11.31 MPa at the output of the single-screw extruder, the dielectric properties of the composite melt – linear ...
Peculiarities of nonadditive changes in conductivity of nano-PDLC under influence of magnetite and single-wall carbon nanotubes

Kopčanský, P.; Timko, M.; Mitrova, Z.; Tomašovičová, N.; Tomčo, L.; Kovalchuk, O.V.; Kovalchuk, T.M.; Oleinikova, I.V.; Lad, A.I.; Studenyak, I.P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2014)

Studied in this work has been the effect of nanoparticles – magnetite and single-wall carbon nanotubes – separately and together on the conductivity of nematic liquid crystal 6CHBT dispersed in polyvinyl alcohol. Morphology ...
The non-linear dependence of 6СНВТ liquid crystal conductivity on the concentration of gold nanoparticles

Kovalchuk, O.V.; Kopčansky, P.; Timko, M.; Studenyak, I.P.; Kovalchuk, T.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2016)

Within the frequency range 10⁻¹…10⁶ Hz at the temperature 293 K, the effect of gold nanoparticles on the dielectric properties of the planar-oriented nematic liquid crystal 6СНВТ has been studied. The concentration of ...

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Перегляд за автором "Kovalchuk, T.M."

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