Search Results - Sidorov, V N

Raman spectroscopy and X-Ray analysis of non-stoichiometric lithium niobate crystals by Sidorov, N.V., Teplyakova, N.A., Palatnikov, M.N., Aleshina, L.A., Sidorova, O.V., Kadetova, A.V.

“…Lithium niobate single crystals of congruent composition and doped with various impurities are investigated using Raman spectroscopy and X-ray analysis. Raman…”
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Raman spectra of lithium niobate crystals heavily doped with zinc and magnesium by Sidorov, N. V., Palatnikov, M. N.

“… 2 symmetry species, which are forbidden for the С 3 V 6 ( R3c ) space group. At the same time, ab initio calculations unambiguously indicate that the experimentally observed low-intensity “superfluous…”
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Effect of Magnesium Impurity Concentration on Electrical Properties of LiNbO3 Crystals by Yatsenko, A. V., Evdokimov, S. V., Shul’gin, V. F., Palatnikov, M. N., Sidorov, N. V., Makarova, O. V.

“…Using the results of studying the electrical conductivity in the temperature range ~295–460 K and the IR absorption spectra of a series of LiNbO 3 :Mg…”
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Passive Membrane Properties and Spike Characteristics in a Pair of Identified Electrically Coupled Lymnaea stagnalis Neurons under Long-Term Experimental Hyperglycemia by Sidorov, A. V., Shadenko, V. N.

“…Microelectrode technique was used to study the responses of the electrically coupled giant peptidergic VD1 and RPaD2 neurons within the isolated CNS of the…”
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Electrical Activity of Identified Neurons in the Central Nervous System of a Mollusk Lymnaea stagnalis under Acute Hyperglycemia by Sidorov, A. V., Shadenko, V. N.

“…Rapid responses of the key interneurons identified in the respiratory (RPeD1), locomotor (LPeD1) and cardioregulatory (VD1/RPaD2) networks of the CNS ganglia…”
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Conditions of application of LiNbO3 based piezoelectric resonators at high temperatures by Palatnikov, M.N., Sandler, V.A., Sidorov, N.V., Makarova, O.V., Manukovskaya, D.V.

“… ΔT and resonance frequencies ΔωR provided that τV−1≪ωR. The temperature range ΔT corresponds to certain values of conductivity (Δσ…”
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Identification of Fast Hydrogen Permeability Parameters of Gas Separation Membranes by Zaika, Yu. V., Sidorov, N. I., Fomkina, O. V.

“…The problem of parametric identification of some nonlinear models of fast hydrogen permeability of alloys for membrane technologies for the release of…”
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Mechanisms of Variation of the Unipolarity during Thermal Processing of Heavily Doped LiNbO.sub.3:ZnO Crystals by Palatnikov, M. N, Sandler, V. A, Sidorov, N. V, Makarova, O. V

“…The phenomenological mechanisms for increasing the unipolarity under thermal processing in the short-circuiting conditions for heavily doped LiNbO.sub.3:ZnO…”
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Investigation of the Piezoelectric Resonance in Stoichiometric LiNbO.sub.3 Crystals at High Temperatures and Conductivities by Palatnikov, M. N, Sandler, V. A, Sidorov, N. V, Makarova, O. V

“…The piezoelectric characteristics, dielectric properties, and ionic conductivity of close-to-stoichiometry LiNbO [Formula omitted] crystals have been…”
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Obtaining and electrical properties of ceramics based on mixed niobium and tantalum pentoxide Nb2(1–y)Ta2yO5 by Palatnikov, M. N., Efremov, V. V., Sidorov, N. V.

“…A method is developed for the preparation of mixed pentoxide Nb 2(1– y ) Ta 2 y O 5 by rapid coprecipitation of a mixture of hydroxides of niobium and tantalum…”
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Influence of the Method of Strong Doping on Composition Uniformity and Optical Properties of LiNbO3:Mg Single Crystals by Sidorov, N. V, Teplyakova, H. A., Palatnikov, M. H.

“…Raman spectroscopy, laser conoscopy and photoinduced light scattering methods have been applied to comparatively study composition uniformity of strongly doped…”
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Growth of heavily doped LiNbO3〈Zn〉 crystals by Palatnikov, M. N., Biryukova, I. V., Makarova, O. V., Efremov, V. V., Kravchenko, O. E., Skiba, V. I., Sidorov, N. V., Efremov, I. N.

“…We have studied conditions for the growth of LiNbO 3 〈Zn〉 crystals in the composition range ≃4.0–8.91 mol % ZnO. It has been shown that, in the composition…”
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Electrical properties of Nb2(1–y)Ta2yO5-based ceramics by Palatnikov, M. N., Efremov, V. V., Sidorov, N. V.

“…We have studied the electrical properties of ceramic Nb 2(1– y ) Ta 2y O 5 samples, examined the dispersion of the real part of their dielectric permittivity…”
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Effect of ultrarapid quenching on the structure and mechanical properties of Nb2O5 and Ta2O5 by Shcherbina, O. B., Palatnikov, M. N., Efremov, V. V., Yanichev, A. A., Sidorov, N. V., Pasechnyi, V. V.

“…We have studied the detailed structure and mechanical properties of the Nb 2 O 5 and Ta 2 O 5 pentoxides after ultrarapid quenching in comparison with the…”
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Forecasting nonstationary time series based on Hilbert-Huang transform and machine learning by Kurbatsky, V. G., Sidorov, D. N., Spiryaev, V. A., Tomin, N. V.

“…We propose a modification of the adaptive approach to time series forecasting. On the first stage, the original signal is decomposed with respect to a special…”
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Defects and Some Physical Properties of Nominally Pure and Zinc-Doped Lithium Niobate Crystals by Teplyakova, N. A., Smirnov, M. V., Sidorov, N. V., Palatnikov, M. N.

“…The IR absorption spectroscopy in the region of valence vibrations of OH – groups, the photoluminescence in the optical spectral range, and the photoinduced…”
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Anomalies in a Lithium Niobate Stoichiometric Crystal in the Temperature Range 100–400 K by Sidorov, N. V., Sandler, V. A., Palatnikov, M. N.

“…We show that the differences in the anomalous temperature behaviors of thermoluminescence and line intensities in the Raman spectra of congruent and…”
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Analysis of the conductivity and current-voltage characteristics nonlinearity in LiNbO3 crystals of various compositions at temperatures 300–450 K by Yatsenko, A.V., Evdokimov, S.V., Palatnikov, M.N., Sidorov, N.V.

“…This paper is dedicated to a study of conductivity and current-voltage characteristics (IV curve) of lithium niobate (LN, LiNbO3) single crystals. The studied…”
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TWO-SIDED APPROXIMATIONS METHOD BASED ON THE GREEN’S FUNCTIONS USE FOR CONSTRUCTION OF A POSITIVE SOLUTION OF THE DIRICHLE PROBLEM FOR A SEMILINEAR ELLIPTIC EQUATION by Gybkina, N. V., Lamtyugova, S. M., Sidorov, M. V.

“…Context. The question of constructing a method of two-sided approximations for finding a positive solution of the Dirichlet problem for a semilinear elliptic…”
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Photorefractive Properties of Stoichiometric Lithium Niobate Single Crystals by Sidorov, N. V., Antonycheva, E. A., Syuĭ, A. V., Palatnikov, M. N.

“…The specific features of photorefractive light scattering in nominally pure stoichiometric (Li/Nb = 1) sin- gle crystals grown from a melt with 58.6 mol % Li 2…”
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