Search Results - "KUSHNIR, O. S"

Temporal and seasonal variations of radiocaesium content in some plants from the western part of Ukrainian Polesye by Grabovskyi, V.A., Dzendzelyuk, O.S., Kushnir, O.S.

“…We present measurements of 137Cs contamination for some of the berry plants and medicinal herbs growing in the western part of Ukrainian Polesye during…”
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Temperature dependence of dielectric permittivity in incommensurately modulated phase of ammonium fluoroberyllate by Horon, B. I., Kushnir, O. S., Shchepanskyi, P. A., Stadnyk, V. Yo

“…We study the temperature dependence of dielectric permittivity along the polar axis for ferroelectric ammonium fluoroberyllate (AFB) crystal in the vicinity of…”
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Nonlinear background corrections to dielectric permittivity of ferroics and multiferroics by Girnyk, I. S., Horon, B. I., Kapustianyk, V. B., Kushnir, O. S., Shopa, R. Y.

“…Temperature measurements of dielectric permittivity are performed for nonstoichiometric ferroelectric lead germanate Pb4.95Ge3O11 and multiferroic solid…”
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Concentration dependences of electronic band structure of CdSe1–xSx thin films by Kashuba, A. I., Andriyevsky, B., Kushnir, O. S., Semkiv, I. V., Malyi, T. S., Petrus, R. Yu

“…In this study, we report for the first time the results of ab initio calculations of the electronic energy spectra and optical functions for the thin films of…”
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Simultaneous measurements of crystal optical characteristics of deuterated triglycine sulphate by Kushnir, O. S.

“…The birefringence, rotation angle of the optical indicatrix and the gyration along the polar direction are studied in the paraelectric and ferroelectric phases…”
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Linear Thermal Expansion of Ferroelectric Deuterated Triglycine Sulphate by Girnyk, I. S., Kushnir, O. S., Shopa, R. Y.

“…Thermal dilatation experiments are performed for partially deuterated triglycine sulphate crystals and the temperature dependence of linear expansion…”
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Temperature operated infrared nonlinear optical materials based on Tl4HgI6 by Piasecki, M., Lakshminarayana, G., Fedorchuk, A. O., Kushnir, O. S., Franiv, V. A., Franiv, A. V., Myronchuk, G., Plucinski, K. J.

“…In this work, we report on the synthesis and nonlinear optical features of novel temperature operated materials based on Tl 4 HgI 6 single crystals. Nonlinear…”
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Angular stability of electric field-induced effects in crystalline materials by Kushnir, O. S., Yurkevych, O. V., Andrushchak, A. S.

“…We analyze angular bandwidths of extrema of the indicative surfaces describing spatial anisotropy of piezoelectric (PE) and electrooptic (EO) properties of…”
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Dielectric Permittivity of Nonstoichiometric Lead Germanate Crystals by Girnyk, I. S., Klymovych, Yu. G., Kushnir, O. S., Shopa, R. Y.

“…Dielectric measurements are performed for nonstoichiometric single crystals of lead germanate and the temperature dependences of dielectric permittivity along…”
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Temperature dependence of optical activity and circular dichroism in α-ZnP2 crystals by Kushnir, O. S., Bevz, O. A., Polovinko, I. I., Sveleba, S. A.

“…The circular birefringence related to the gyration components along and perpendicular to the optical axis and the circular dichroism of tetragonal α‐ZnP2…”
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Microscopic Dielectric and Gyration Tensors of Incommensurately Modulated Insulators by Kushnir, O.S., Lokot, L.O.

“…Crystal optical properties of insulating materials possessing incommensurately modulated phases are studied in the framework of a microscopic model…”
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On the structure of the microscopic dielectric tensor in incommensurate crystals by Kushnir, O. S., Lokot, L. O.

“…A microscopic model for calculating the optical response of incommensurately modulated phases in insulating crystals is presented. The dominant contribution to…”
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Temperature dependence of dielectric permittivity in incommensurately modulated phase of ammonium fluoroberyllate by Horon, B. I, Kushnir, O. S, Shchepanskyi, P. A, Stadnyk, V. Yo

“…Condensed Matter Physics, 2022, vol. 25, No. 4, 43704 We study the temperature dependence of dielectric permittivity along the polar axis for ferroelectric…”
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On the Propagation of Light in Incommensurately Modulated Dielectric Crystals by Kushnir, O. S., Lokot, L. O., Lutsiv-Shumski, L. P., Polovinko, I. I., Shopa, Y. I.

“…The applicability limits for the Jones matrix technique for macroscopically inhomogeneous anisotropic media are clarified. A simple linear relation between the…”
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Least-Squares Analysis of the Dielectric Permittivity for Improper Ferroelectric Ammonium Fluoroberyllate by Horon, B. I., Kushnir, O. S., Stadnyk, V. Yo, Kashuba, A. I.

“…Using a nonlinear least-squares technique and statistical tests, we compare different theoretical models for description of temperature dependence of the…”
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Optical studies of ferroelectric phase transition in deuterated triglycine sulfate crystals by Kushnir, O. S., Shopa, R. Y., Polovynko, I. I.

“…We report on precise experimental measurements with the Senarmont technique of optical birefringence in partly deuterated triglycine sulfate crystals (DTGS,…”
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Conciseness of Ukrainian, Russian and English: Application to Translation Studies by Kushnir, O. S., Dzera, O. V., Kushnir, L. O.

“…We study the amount of information contained in symbolic sequences, using a single-character entropy associated with the frequencies of characters that…”
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Large-Scale Studies of the Repetition Characteristic for Different Models of Symbolic Sequences by Kushnir, O. S., Ivanitskyi, L. B., Kashuba, A. I., Mostova, M. R., Mykhaylyk, V. B.

“…Using a standard suffix-tree algorithm, we study the repetition characteristic v(t) , which has been introduced by F. Golcher, for different models of random…”
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Elimination of systematic polarimetric errors in haup-type crystal optical studies of ferroelectrics by Kushnir, O. S., Vlokh, O. G.

“…A null-polarimeter for measuring the optical anisotropy parameters of crystals is described. The methods for elimination of systematic polarimetric errors due…”
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Optical activity of crystals with sinusoidal spatial modulation of dielectric parameters by Kushnir, O. S., Lokot, L. O., Kityk, A. V.

“…The optical properties of crystals of which the gyration tensor component g 33 is spatially modulated with a sinusoidal wave form are studied in the framework…”
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