Výsledky vyhledávání - "E. A. Krivandina"

Calculation of the Distribution Coefficient for Sr2+ in LaF3 Crystal at Infinite Dilution, Based on the Data on Directional Solidification of La1 − ySryF3 − y Solid Solutions

Autor: E. A. Krivandina, N. I. Sorokin

Publikováno v: Crystallography Reports. 65:297-299

The thermodynamic distribution coefficient for Sr2+ impurity in LaF3 crystal at infinite dilution (c → 0) k0 = 1.60 ± 0.02 is determined based on the data on directional solidification of La1 − ySryF3 − y solid solutions (0.01 ≤ y ≤ 0.15,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f140f1f2d79ace4cdf3c92d2f702c96
https://doi.org/10.1134/s1063774520020236

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Optimization of single crystals of solid electrolytes with tysonite-type structure (LaF3) for conductivity at 293 K: 2. Nonstoichiometric phases R 1−y M y F3−y (R = La-Lu, Y; M = Sr, Ba)

Autor: Z. I. Zhmurova, E. A. Krivandina, B. P. Sobolev, N. I. Sorokin

Publikováno v: Crystallography Reports. 60:123-129

Single crystals of fluorine-conducting solid electrolytes R 1 − y Sr y F3 − y and R 1 − y Ba y F3 − y (R = La-Lu, Y) with a tysonite-type structure (LaF3) have been optimized for room-temperature conductivity σ293 K. The optimization is base

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b35fdd09230a1d9d6d86ffd57eb4fa78
https://doi.org/10.1134/s106377451501023x

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293-K conductivity optimization for single crystals of solid electrolytes with tysonite structure (LaF3): I. Nonstoichiometric phases R 1−yCayF3−y (R = La-Lu, Y)

Autor: E. A. Krivandina, N. I. Sorokin, B. P. Sobolev, Z. I. Zhmurova

Publikováno v: Crystallography Reports. 59:550-562

The systematic optimization of single-crystal fluoride-conducting solid electrolytes R 1 − y Ca y F3 − y with a tysonite type structure (LaF3) with respect to the conductivity at room temperature, σ(293 K), is based on high-temperature measureme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::032b3bfc0681017ed36e6e6387dce1fb
https://doi.org/10.1134/s1063774514040191

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Anion conductivity of a Ce0.95Gd0.05O0.075F2.85 solid electrolyte

Autor: Denis N. Karimov, E. A. Krivandina, B. P. Sobolev, Z. I. Zhmurova, S. N. Sulyanov, N. I. Sorokin

Publikováno v: Inorganic Materials. 50:513-518

An oxygen-containing CeF3-based solid electrolyte with the composition Ce0.95Gd0.05O0.075F2.85 has been prepared by Bridgman growth from a melt using a Gd2O3-containing starting mixture, and its ionic conductivity σ has been measured. The σ of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::820cc59e43f738284161d48588054396
https://doi.org/10.1134/s0020168514050173

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Superionic conductivity of Sr0.68Pr0.32F2.32 (type CaF2) and Pr0.85Sr0.15F2.85 (type LaF3) crystals, as-grown and after high-temperature annealing

Autor: N. I. Sorokin, E. A. Krivandina, B. P. Sobolev, Z. I. Zhmurova

Publikováno v: Crystallography Reports. 59:88-92

The influence of high-temperature annealing (900°C, 14 days) in a fluorinating atmosphere on the superionic conductivity σ of as-grown Sr0.68Pr0.32F2.32 single crystals with fluorite structure (CaF2) and Pr0.85Sr0.15F2.85 single crystals with tyson

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f75706fbb432296db201847d5f7dadad
https://doi.org/10.1134/s1063774513050131

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Dependences of the density of M 1−x R x F2 + x and R 1−y M y F3−y single crystals (M = Ca, Sr, Ba, Cd, Pb; R means rare earth elements) on composition

Autor: Z. I. Zhmurova, E. A. Krivandina, N. I. Sorokin

Publikováno v: Crystallography Reports. 58:948-952

The density of single crystals of nonstoichiometric phases Ba1 − xLaxF2 + x (0 ≤ x ≤ 0.5) and Sr0.8La0.2 − xLuxF2.2 (0 ≤ x ≤ 0.2) with the fluorite (CaF2) structure type and R1 − ySryF3 − y (R = Pr, Nd; 0 ≤ y ≤ 0.15) with the tyso

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9eb63320b80659c648dc0af5d325c50
https://doi.org/10.1134/s1063774513060217

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Composition of CeF3-based crystals for a composite scintillator with a polystyrene matrix

Autor: Z. I. Zhmurova, T. M. Glushkova, E. A. Krivandina, B. P. Sobolev

Publikováno v: Crystallography Reports. 57:811-814

The dependences of the refractive indices of solid solutions based on cerium fluoride (Ce1−ySryF3 − y and Ce1 − yBayF3 − y) on their composition have been studied. It is shown that at a light wavelength λ = 0.589 μm crystals of the Ce0.925S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fc627e1e5a5d918ed5b34c5a5aa109d
https://doi.org/10.1134/s1063774512060156

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Calculation of the Refractive Indices of M 1-x R x F2+x Crystals (M = Ca, Sr, Ba, Cd, Pb; R are Rare Earth Elements)

Autor: B. P. Sobolev, A. F. Konstantinova, Denis N. Karimov, E. A. Krivandina

Publikováno v: Crystallography Reports. 55:990-994

It is shown that the refractive indices of two-component M1-xRxF2+x crystals (M = Ca, Sr, Ba, Cd, Pb; R = La-Lu, Y; 0 ≤ x ≤ 0.5) can be calculated with a rather high accuracy in a wide spectral range (depending on the rare-earth-element content)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa6758813a449d70e44b66b5ca27c370
https://doi.org/10.1134/s1063774510060143

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Growth and some properties of Ce3+-doped LiYbF4 single crystals

Autor: S. P. Chernov, B. P. Sobolev, Denis N. Karimov, E. A. Krivandina, V. A. Bezhanov, O. N. Komar’kova

Publikováno v: Crystallography Reports. 55:324-327

LiYbF4 single crystals, nominally pure and doped with Ce3+ ions, of optical quality and up to 60 mm in diameter, have been grown by vertical directed crystallization. The optical and mechanical properties of the crystals have been studied. The refrac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36de7062527e1b27707dd392cc9e5074
https://doi.org/10.1134/s1063774510020276

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Nanostructured crystals of fluorite phases Sr1 − x R x F2 + x (R are rare-earth elements) and their ordering: IV. Study of the optical transmission spectra in the 2–17-μm wavelength range

Autor: B. P. Sobolev, Z. I. Zhmurova, O. N. Komar’kova, Denis N. Karimov, E. A. Krivandina, V. A. Fedorov

Publikováno v: Crystallography Reports. 55:122-126

Transmission spectra of two-component crystals of Sr1−xRxF2+x (R = Y, La-Lu; 0 ≤ x ≤ 0.5) in the 1–17-μm wavelength range were studied. The spectral characteristics of these crystals and of single-component crystals of MF2 (M = Ca, Sr, or Ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::116a314fb8109b460c1621fce29897c8
https://doi.org/10.1134/s1063774510010189

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