Search Results - "Kovshik, A. P"

Phase Diagram and Dielectric Studies in Hydrogen-Bonded Liquid Crystal System by Efremova, E. I., Kydryashova, Z. A., Nosikova, L. A., Kovshik, A. P., Dobrun, L. A., Melnikov, A. B.

“…The thermal and dielectric behaviors of mixtures were investigated for systems of p-n-hexyloxybenzoic acid (6OBA) and p-n-octyloxybenzoic acid (8OBA) by…”
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Return back of the extraordinary beam for oblique incidence in helical liquid crystals with large pitch by Aksenova, E. V, Karetnikov, A. A, Kovshik, A. P, Romanov, V. P, Val'kov, A. Yu

“…The light propagation in helical liquid crystals with the pitch much larger than the wavelength of light is under consideration. It is predicted theoretically…”
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Electro-Optical Response of Cells with Homeoplanar Layers of a Nematic Liquid Crystal with Different Thicknesses at Oblique Incidence of Light by Karetnikov, A. A., Kovshik, A. P., Karetnikov, N. A., Ryumtsev, E. I., Aksenova, E. V., Svanidze, A.V.

“…Electrically controlled light refraction in a nematic liquid crystal (LC) with homeoplanar orientation possessing different thicknesses has been investigated…”
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Fast electro-optical response of a cell with a homeoplanar layer of a nematic liquid crystal by Karetnikov, N. A., Kovshik, A. P., Karetnikov, A. A., Ryumtsev, E. I., Aksenova, E. V., Svanidze, A. V.

“…The refraction of light, i.e., the turn of an extraordinary ray in the liquid crystal layer similar to total internal reflection at an interface between two…”
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Orientational Order in Liquid Crystal Complexes Based on Lanthanides by Dobrun, L. A., Kovshik, A. P., Ryumtsev, E. I., Kalinkin, A. A.

“…In this study, we have for the first time determined the degree of an orientational order S for a series of liquid-crystal complexes based on lanthanides (Eu…”
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Dielectric properties of gadolinium-based liquid crystalline complex by Dobrun, L. A., Kovshik, A. P., Ryumtsev, E. I., Galyametdinov, Yu. G., Knyazev, A. A.

“…The permittivity components of the liquid crystalline gadolinium complex with Lewis bases and β-diketonates as ligands are measured in the frequency range from…”
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The influence of an external electric field on the propagation of light waves in cholesteric liquid crystal cells by Aksenova, E. V., Karetnikov, A. A., Kovshik, A. P., Krainyukov, E. S., Svanidze, A. V.

“…The specific features of light transmission in a cholesteric liquid crystal (LC) cell with a director rotated by 90° have been investigated. In this structure,…”
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The even–odd effect in the dependence of optical anisotropy on the number of protons in complexing agent ions of liquid-crystal coordination compounds of lanthanides by Dobrun, L. A., Kovshik, A. P., Ryumtsev, E. I., Galyametdinov, Yu. G., Knyazev, A. A.

“…The values of optical anisotropy of two series of thermotropic nematic liquid crystalline complexes based on the ions Eu +3 , Gd +3 , Tb +3 , and Dy +3 have…”
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New mechanism of semiconductor polarization at the interface with an organic insulator by Yafyasov, A. M., Bogevolnov, V. B., Ryumtsev, E. I., Kovshik, A. P., Mikhailovski, V. Yu

“…A semiconductor—organic-insulator system with spatially distributed charge is created with a uniquely low density of fast surface states ( N ss ) at the…”
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The influence of a complexing agent ion on the magnitude of the optical anisotropy of lanthanidomesogens by Dobrun, L. A., Kovshik, A. P., Ryumtsev, E. I., Galyametdinov, Yu. G., Knyazev, A. A.

“…Measurements of the refractive indices and optical anisotropy of a series of liquid crystalline coordination compounds based on lanthanides with an identical…”
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Plasma Combustion Nature of Artificial Ball Lightning by Emelin, S. E., Bychkov, V. L., Astafiev, A. M., Kovshik, A. P., Pirozersky, A. L.

“…Works on the creation of gas discharge origination artificial ball lightning have been carried out with the help of specially designed gas discharge tubes, in…”
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Local Dynamics of Director Reorientation under Electric Field in Helical LC Structure by Karetnikov, A. A., Karetnikov, N. A., Kovshik, A. P., Rjumtsev, E. I., Aksenova, E. V., Kryukov, E. V., Romanov, V. P.

“…The influence of an electric field on the trajectory of an extraordinary light ray in a layer of a chiral liquid crystal (LC) with a 180° turn of the director…”
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Dielectric properties of liquid-crystalline copolymers with side cyanobiphenyl groups and acrylic acid units by Kovshik, A. P., Magdysyuk, O. V., Polushin, S. G., Barmatov, E. B., Barmatova, M. V., Ryumtsev, E. I.

“…Dielectric properties of a number of liquid-cry stalline comb-shaped copolymers with different ratios of side-chain mesogenic cyanobiphenyl groups and acrylic…”
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Electrical and dynamooptical properties of Frechet dendron-modified polystyrene molecules in solutions by Lezov, A. V., Polushina, G. E., Kovshik, S. A., Mikhailova, M. E., Semenikhina, T. N., Kovshik, A. P., Ryumstev, E. I.

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Extraordinary ray refraction in a large pitch helical medium by Aksenova, E. V., Val’kov, A. Yu, Karetnikov, A. A., Kovshik, A. P., Romanov, V. P., Ryumtsev, E. I.

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Dielectric properties of an ytterbium-based nematic liquid-crystal complex by Dobrun, L. A., Sakhatskii, A. S., Kovshik, A. P., Ryumtsev, E. I., Knyazev, A. A., Galyametdinov, Yu. G.

“…The dielectric properties of an yttrium-based paramagnetic thermotropic nematic liquid-crystal complex have been studied. The conditions for the measurement of…”
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Effect of an electric field on the orientation of a liquid crystal in a cell with a nonuniform director distribution by Aksenova, E. V., Karetnikov, A. A., Karetnikov, N. A., Kovshik, A. P., Ryumtsev, E. I., Sakhatskii, A. S., Svanidze, A. V.

“…The electric field-induced reorientation of a nematic liquid crystal in cells with a planar helicoidal or a homeoplanar structure of a director field is…”
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Determination of the director pretilt angle at liquid-crystal layer boundaries by polarimetric and crystal rotation methods in the same cell by Karetnikov, A. A., Amosova, L. P., Vakulin, D. A., Karetnikov, N. A., Kovshik, A. P., Kolomiets, I. P., Ryumtsev, E. I.

“…The pretilt angle of the director at the liquid crystal–glass interface is determined with the polarimetric and crystal rotation methods. The polarimetric…”
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Optical anisotropy of liquid-crystal lanthanide complexes by Kovshik, A. P., Krainyukov, E. S., Kovshik, S. A., Knyazev, A. A., Galyametdinov, Yu. G., Ryumtsev, E. I.

“…Refractive and optical anisotropy indices have been measured for a number of liquid-crystal lanthanide complexes with different counter ions, ligands, and…”
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Mechanisms of dielectric polarization in thermotropic liquid-crystalline complexes based on lanthanides by Dobrun, L. A., Kovshik, A. P., Ryumtsev, E. I., Knyazev, A. A., Galyametdinov, Yu. G.

“…The components of the dielectric constant of a terbium-based liquid-crystalline complex have been measured in the frequency range of 350–5 × 10 6 Hz. The…”
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