Search Results - "Efremov, I. N."

The Effects of Admixtures on Resistance to Radiation of Lithium Niobate Crystals by Palatnikov, M. N., Sidorov, N. V., Makarova, O. V., Efremov, I. N., Kruk, A. A., Bormanis, K.

“…The studies of optical absorption and transmission of crystalline lithium niobate compounds modified by rare-earth and alkali-earth elements: LiNbO 3 : Y…”
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Study of the Effect of Dopant Concentration on the Optical Uniformity and Photorefractive Properties of LiNbO3:Er:Zn Single Crystals by Biryukova, I. V., Titov, R. A., Teplyakova, N. A., Efremov, I. N., Palatnikov, M. N.

“…The physicochemical characteristics, optical uniformity and photorefractive properties of a series of four LiNbO 3 :Er:Zn single crystals have been studied…”
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Effect of the Doped Growth Charge Preparation Process on the Growth Conditions and Properties of LiNbO3:B:Mg Single Crystals by Biryukova, I. V., Efremov, I. N., Masloboeva, S. M., Palatnikov, M. N.

“…— This paper presents a comparative analysis of the magnesium dopant distribution in the melt–crystal system during Czochralski growth of LiNbO 3 :B:Mg lithium…”
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Preparation and Characterization of Lithium Niobate Single Crystals Activated with Magnesium and Boron by Masloboeva, S. M., Efremov, I. N., Biryukova, I. V., Palatnikov, M. N.

“…— A technologically feasible process has been proposed for the preparation of homogeneous single-phase magnesium–boron codoped lithium niobate growth charge…”
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Preparation and Characterization of Lithium Niobate Single Crystals Doped with 4.02–5.38 mol % Zn by Biryukova, I. V., Masloboeva, S. M., Efremov, I. N., Teplyakova, N. A., Palatnikov, M. N.

“…— Using homogeneous doping, a Nb 2 O 5 :4.5 mol % Zn precursor, and lithium carbonate, we have synthesized a single-phase LiNbO 3 :4.1 mol % Zn growth charge,…”
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Growth and Properties of LiNbO3:Mg,B Crystals by Biryukova, I. V., Efremov, I. N., Kravchenko, O. E., Sandler, V. A., Teplyakova, N. A., Palatnikov, M. N.

“…— A technologically feasible process has been proposed for the preparation of a LiNbO 3 :Mg,B growth charge from a Li 2 CO 3 + Nb 2 O 5 + MgO + H 3 BO 3…”
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Growth and Characterization of a Boron-Doped Lithium Niobate Single Crystal by Masloboeva, S. M., Efremov, I. N., Biryukova, I. V., Palatnikov, M. N.

“…— This paper reports a process for the growth of optically homogeneous lithium niobate single crystals containing boron as a dopant. A LiNbO 3 :B crystal has…”
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Preparation and Characterization of Lithium Niobate Single Crystals Doped with Zinc and Erbium by Masloboeva, S. M., Efremov, I. N., Biryukova, I. V., Teplyakova, N. A., Palatnikov, M. N.

“…— This paper reports a process for the growth of zinc–erbium codoped lithium niobate single crystals using a growth charge synthesized from a Nb 2 O 5 :Zn:Er…”
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Estimating the Degree of Unipolarity of LiNbO3 Crystals Using Static and Dynamic Piezoelectric Measurements by Palatnikov, M. N., Sandler, V. A., Sidorov, N. V., Efremov, I. N., Makarova, O. V.

“…— In this paper, we describe improved methods for assessing the static and dynamic piezoelectric properties of lithium niobate crystals. The results can be…”
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Methods for Controlling the Degree of Unipolarity of Large LiNbO3 Crystals by Palatnikov, M. N., Sandler, V. A., Sidorov, N. V., Efremov, I. N., Makarova, O. V.

“…—Improved methods and devices for nondestructive control of the degree of unipolarity of large LiNbO 3 crystals are described. These methods are based on…”
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Commodity and consumer qualities of fruits of plum cultivars from the RRIFCB (VNIISPK) gene pool by Gulyaeva, A. A., Berlova, T. N., Bezlepkina, E. V., Galkova, A. A., Efremov, I. N.

“…Relevance. One of the most important directions in the breeding and variety study of fruits, in particular domestic plum European, is the breeding of cultivars…”
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Anomalies of dielectric properties and conductivity in single domain LiNbO3:Zn crystals by Palatnikov, M. N., Sandler, V. A., Makarova, O. V., Sidorov, N. V., Manukovskaya, D. V., Efremov, I. N., Biryukova, I. V., Bormanis, K.

“…A study of the temperature dependence of dielectric constant, conductivity, and piezoelectric modulus in the single-domain state of LiNbO 3 crystals modified…”
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Radiation hardness of lithium niobate nonlinear optical crystals doped with Y, Gd, and Mg by Palatnikov, M. N., Efremov, I. N., Sidorov, N. V., Makarova, O. V., Kalinnikov, V. T.

“…We have studied the effect of gamma irradiation to various doses on optical characteristics (optical transmission spectra) of nominally undoped, rare…”
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Effect of ceramic powder particle size on the electrical properties of Li0.03Na0.97Ta0.05Nb0.95O3 ceramics by Palatnikov, M. N., Efremov, V. V., Sidorov, N. V., Shcherbina, O. B., Yanichev, A. A., Efremov, I. N.

“…We compare the microstructure, electrical properties, and Raman spectra of ceramic samples of the Li 0.03 Na 0.97 Ta 0.05 Nb 0.95 O 3 ferroelectric solid…”
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Obtaining and studying photorefractive and optical properties of lithium niobate single crystal co-doped with gadolinium and boron by Masloboeva, S. M., Biryukova, I. V., Efremov, I. N., Teplyakova, N. A., Palatnikov, M. N.

“…A technological scheme has been developed for producing a uniform single-phase LiNbO 3 :Gd:B charge of a given composition. The charge is necessary to grow…”
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Investigation of acoustic, optical and photorefractive properties of multicrystals of lithium niobate doped with zinc in the area of concentrations of 5,38-9,0 mol.% Zn by I.N. Efremov, S.M. Masloboeva, I.V. Biryukova, N.A. Teplyakova, M.N. Palatnikov

“…Obtaining optical materials based on lithium niobate with controlled optical properties is an important task of modern materials science. To date the problem…”
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Structural homogeneity of photorefractive LiNbO3 crystals doped with 0.03–4.5 mol % of ZnO by Sidorov, N. V., Palatnikov, M. N., Teplyakova, N. A., Gabain, A. A., Efremov, I. N.

“…Using the electronic spectroscopy method, the laser-conoscopy method, and the Raman light-scattering method, we have studied the structural homogeneity of…”
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Winter resistance of sour cherry and sweet cherry flower buds in extreme winter 2009-2010 and 2020-2021 by Gulyaeva, A.A., Berlova, T.N., Galkova, A.A., Bezlepkina, E.V., Efremov, I.N.

“…This article is devoted to the problem of field winter hardiness of sour cherry and sweet cherry flower buds as the main element of winter hardiness of fruit…”
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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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Spontaneous unipolarity and anomalies of the dielectric and piezoelectric properties and electrical conductivity of initially heavily doped polydomain LiNbO3: Zn crystals by Palatnikov, M. N., Sandler, V. A., Sidorov, N. V., Makarova, O. V., Biryukova, I. V., Efremov, I. N., Ivanenko, D. V.

“…A significant spontaneous unipolarity in initially polydomain LiNbO 3 : Zn crystals doped in the range of “threshold” impurity concentrations (∼4.5–4.7 mol %)…”
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