Search Results - "Yakhnevych, Uliana"

Gap-Free Tuning of Second and Third Harmonic Generation in Mechanochemically Synthesized Nanocrystalline LiNb1−xTaxO3 (0 ≤ x ≤ 1) Studied with Nonlinear Diffuse Femtosecond-Pulse Reflectometry by Klenen, Jan, Sauerwein, Felix, Vittadello, Laura, Kömpe, Karsten, Hreb, Vasyl, Sydorchuk, Volodymyr, Yakhnevych, Uliana, Sugak, Dmytro, Vasylechko, Leonid, Imlau, Mirco

“…The tuning of second (SHG) and third (THG) harmonic emission is studied in the model system LiNb 1−xTa xO 3 (0≤x≤1, LNT) between the established edge…”
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Investigations of LiNb1−xTaxO3 Nanopowders Obtained with Mechanochemical Method by Vasylechko, Leonid, Sydorchuk, Volodymyr, Lakhnik, Andrey, Suhak, Yuriy, Wlodarczyk, Damian, Hurskyy, Stepan, Yakhnevych, Uliana, Zhydachevskyy, Yaroslav, Sugak, Dmytro, Syvorotka, Ihor I., Solskii, Ivan, Buryy, Oleh, Suchocki, Andrzej, Fritze, Holger

“…Nanocrystalline compounds LiNb1−xTaxO3 of various compositions (x = 0, 0.25, 0.5, 0.75, 1) were synthesized by high-energy ball milling of the initial…”
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Mechanosynthesis, Structure and Photoluminescent Properties of the Pr3+ Doped LiNbO3, LiNbO3:Mg, LiTaO3 Nanopowders by Sugak, Dmytro, Vasylechko, Leonid, Sydorchuk, Volodymyr, Hurskyy, Stepan, Luchechko, Andriy, Syvorotka, Ihor I., Lakhnik, Andrey, Yakhnevych, Uliana, Hreb, Vasyl, Ubizskii, Serhii, Suhak, Yuriy

“…In the current work, nanocrystalline powders with different compositions, namely Li0.98Pr0.02NbO3, Li0.93Pr0.02Mg0.05NbO3 and Li0.98Pr0.02TaO3 were synthesized…”
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Determination of optimal crystallographic orientations for LiNbO3 and LiTaO3 bimorph actuators by Buryy, Oleh, Syvorotka, Ihor I, Suhak, Yuriy, Uliana Yakhnevych, Sugak, Dmytro, Ubizskii, Sergii, Fritze, Holger

“…The actuators for precise positioning based on bimorph structures of piezoelectric LiNbO3 and LiTaO3 crystals are considered. The optimal orientations of the…”
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Electrical properties and temperature stability of Li-deficient and near stoichiometric Li(Nb,Ta)O3 solid solutions up to 900 °C by Hurskyy, Stepan, Yakhnevych, Uliana, Kofahl, Claudia, Tichy-Racs, Eva, Schmidt, Harald, Ganschow, Steffen, Fritze, Holger, Suhak, Yuriy

“…It is widely known that the intrinsic properties of LiNbO3, LiTaO3 and, consequently, of Li(Nb,Ta)O3 solid solutions are strongly dependent on lithium…”
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Influence of Li‐Stoichiometry on Electrical and Acoustic Properties and Temperature Stability of Li(Nb,Ta)O 3 Solid Solutions up to 900 °C by Tichy‐Rács, Éva, Hurskyy, Stepan, Yakhnevych, Uliana, Gaczyński, Piotr, Ganschow, Steffen, Fritze, Holger, Suhak, Yuriy

“…The current work is focused on the impact of the lithium stoichiometry on electrical conductivity, acoustic properties, and high‐temperature stability of…”
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Acoustic Loss in LiNb 1− x Ta x O 3 at Temperatures up to 900 °C by Yakhnevych, Uliana, Sargsyan, Vanik, El Azzouzi, Fatima, Kapp, Alexander, Bernhardt, Felix, Suhak, Yuriy, Ganschow, Steffen, Schmidt, Harald, Sanna, Simone, Fritze, Holger

“…Lithium niobate‐lithium tantalate solid solutions are new piezoelectric crystals that enable to combine the advantages of their edge compounds with respect to…”
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Investigation of the Interface of Y 3 Fe 5 O 12 /Gd 3 Ga 5 O 12 Structure Obtained by the Liquid Phase Epitaxy by Syvorotka, Ihor I., Sugak, Dmytro, Yakhnevych, Uliana, Buryy, Oleh, Włodarczyk, Damian, Pieniążek, Agnieszka, Zhydachevskyy, Yaroslav, Levintant‐Zayonts, Neonila, Savytskyy, Hrygoryy, Bonchyk, Oleksandr, Ubizskii, Sergij, Suchocki, Andrzej

“…Abstract The changes in the optical, structural, mechanical properties, and chemical composition of Y 3 Fe 5 O 12 /Gd 3 Ga 5 O 12 (YIG/GGG) single crystal…”
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Gap-Free Tuning of Second and Third Harmonic Generation in Mechanochemically Synthesized Nanocrystalline LiNb 1- x Ta x O 3 (0 ≤ x ≤ 1) Studied with Nonlinear Diffuse Femtosecond-Pulse Reflectometry by Klenen, Jan, Sauerwein, Felix, Vittadello, Laura, Kömpe, Karsten, Hreb, Vasyl, Sydorchuk, Volodymyr, Yakhnevych, Uliana, Sugak, Dmytro, Vasylechko, Leonid, Imlau, Mirco

“…The tuning of second (SHG) and third (THG) harmonic emission is studied in the model system LiNb 1-xTa xO 3 (0≤x≤1, LNT) between the established edge…”
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Gap-Free Tuning of Second and Third Harmonic Generation in Mechanochemically Synthesized Nanocrystalline LiNb[sub.1−x]Ta[sub.x]O[sub.3] Studied with Nonlinear Diffuse Femtosecond-Pulse Reflectometry by Klenen, Jan, Sauerwein, Felix, Vittadello, Laura, Kömpe, Karsten, Hreb, Vasyl, Sydorchuk, Volodymyr, Yakhnevych, Uliana, Sugak, Dmytro, Vasylechko, Leonid, Imlau, Mirco

“…The tuning of second (SHG) and third (THG) harmonic emission is studied in the model system LiNb[sub.1−x] Ta[sub.x] O[sub.3] (0≤x≤1, LNT) between the…”
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Investigation of the Interface of Y3Fe5O12/Gd3Ga5O12 Structure Obtained by the Liquid Phase Epitaxy by Syvorotka, Ihor I., Sugak, Dmytro, Yakhnevych, Uliana, Buryy, Oleh, Włodarczyk, Damian, Pieniążek, Agnieszka, Zhydachevskyy, Yaroslav, Levintant‐Zayonts, Neonila, Savytskyy, Hrygoryy, Bonchyk, Oleksandr, Ubizskii, Sergij, Suchocki, Andrzej

“…The changes in the optical, structural, mechanical properties, and chemical composition of Y3Fe5O12/Gd3Ga5O12 (YIG/GGG) single crystal structures grown by…”
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Comparative Investigations of Nanohardness and Impurity Distribution Profiles of Lithium Niobate Single Crystals Diffusion Doped by Copper Ions by Sugak, Dmytro, Syvorotka, Ihor, Yakhnevych, Uliana, Buryy, Oleh, Levintant‐Zayonts, Neonila, Savytskyy, Hrygoriy, Bonchyk, Oleksandr, Ubizskii, Sergii

“…Spatial changes of optical and mechanical properties of doped lithium niobate (LN, LiNbO3) single crystals are investigated. The crystals are doped with copper…”
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Determination of optimal crystallographic orientations for LiNbO 3 and LiTaO 3 bimorph actuators by Buryy, Oleh, Syvorotka, Ihor I., Suhak, Yuriy, Yakhnevych, Uliana, Sugak, Dmytro, Ubizskii, Sergii, Fritze, Holger

“…The actuators for precise positioning based on bimorph structures of piezoelectric LiNbO3 and LiTaO3 crystals are considered. The optimal orientations of the…”
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Influence of Li-stoichiometry on electrical and acoustic properties and temperature stability of Li(Nb,Ta)O$_{3}$ solid solutions up to 900 {\deg}C by Tichy-Rács, Éva, Hurskyy, Stepan, Yakhnevych, Uliana, Gaczyński, Piotr, Ganschow, Steffen, Fritze, Holger, Suhak, Yuriy

“…The current work is focused on the impact of the lithium stoichiometry on electrical conductivity, acoustic properties and high-temperature stability of single…”
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Excitonic Effects in Low-dimensional Hydrocarbon Systems by Klysko, Yurii, Syrotyuk, Stepan, Yakhnevych, Uliana, Shpotyuk, Mykhaylo

“…We present a comprehensive ab initio study of polycyclic aromatic hydrocarbons electronic and optical properties. Density functional theory (DFT) have been…”
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High-temperature domain wall current in Mg-doped lithium niobate single crystals up to 400{\deg}C by Yakhnevych, Uliana, Kunzner, Marlo, Verhoff, Leonard M, Ratzenberger, Julius, Beyreuther, Elke, Rüsing, Michael, Sanna, Simone, Eng, Lukas M, Fritze, Holger

“…Conductive ferroelectric domain walls (DWs) represent a promising topical system for the development of nanoelectronic components and devices. DWs show very…”
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Ferroelectric to paraelectric structural transition in LiTaO$_3$ and LiNbO$_3 by Bernhardt, Felix, Verhoff, Leonard M, Schäfer, Nils A, Kapp, Alexander, Fink, Christa, Nachwati, Wafaa Al, Bashir, Umar, Klimm, Detlef, Azzouzi, Fatima El, Yakhnevych, Uliana, Suhak, Yuriy, Schmidt, Harald, Becker, Klaus-Dieter, Ganschow, Steffen, Fritze, Holger, Sanna, Simone

“…The ferroelectric to paraelectric phase transition in LiTaO$_3$ and in pure as well as Mg doped LiNbO$_3$ is investigated theoretically by atomistic…”
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Simulation, Making and Testing of the Actuator of Precise Positioning Based on the Bimorph Plate of Lithium Niobate by Buryy, Oleh, Sugak, Dmytro, Syvorotka, Ihor, Yakhnevych, Uliana, Suhak, Yuriy, Ubizskii, Sergii, Fritze, Holger

“…The simulation of the actuator based on lithium niobate bidomain structure was carried out. The dependencies of the values of actuator displacements on its…”
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