Search Results - "Malyavin, F.F."

Fabrication and characterization of LuAG: Er ceramics with high optical transmission by Kravtsov, A.A., Chapura, O.M., Tarala, V.A., Medyanik, E.V., Tarala, L.V., Suprunchuk, V.E., Malyavin, F.F., Kuznetsov, S.V., Tsvetkov, V.S., Dobretsova, E.A., Kalachev, Yu.L., Lapin, V.A.

“…Highly transparent ceramics based on LuAG with erbium content ranging from 1 to 50 at% were synthesized from powders prepared via chemical precipitation in an…”
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Comparison of the thermophysical and optical properties of ceramics based on YSAG: Yb,Er solid solutions with different forms of crystal lattice disorder by Tarala, V.А., Chapura, O.M., Malyavin, F.F., Brazhko, E.A., Kravtsov, A.A., Kuznetsov, S.V.

“…Optical ceramics with 50 at.% Sc in both dodecahedral ({Y1·17Er0.03Yb0.3Sc1.5}[Al1.8Sc0.2]Al3O12, {Y1.2Yb0.3Sc1.5}[Al1.8Sc0.2]Al3O12) and octahedral…”
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Evaluation of the efficiency of Cr3+ → Cr4+ conversion in non-stoichiometric YAG: Cr ceramics by Kravtsov, A.A., Suprunchuk, V.E., Lapin, V.A., Malyavin, F.F., Vakalov, D.S., Tarala, L.V., Medyanik, E.V., Brazhko, E.A., Chapura, O.M., Tarala, V.A.

“…The aim of the work was to study the effect of the YAG: Cr ceramics' stoichiometry deviation on the optical properties and efficiency of valence conversion of…”
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Optical and luminescent properties of quasi-stoichiometric YAG: Cr3+ ceramics by Kravtsov, A.A., Tarala, V.A., Malyavin, F.F., Vakalov, D.S., Suprunchuk, V.E., Tarala, L.V., Lapin, V.A., Medyanik, E.V., Brazhko, E.A., Chapura, O.M.

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Sintering and microstructure evolution of Er1.5Y1.5-xScx+yAl5-yO12 garnet ceramics with scandium in dodecahedral and octahedral sites by Nikova, M.S., Tarala, V.A., Malyavin, F.F., Chikulina, I.S., Vakalov, D.S., Kravtsov, A.A., Krandievsky, S.O., Lapin, V.A., Medyanik, E.V., Kozhitov, L.V., Kuznetsov, S.V.

“…The sintering behavior of scandium-containing garnet materials within the Y2O3-Er2O3-Sc2O3-Al2O3 system was investigated. Single-phase ceramic powders and…”
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Influence of MgO and CaO sintering additives on thermophysical, luminescent and optical properties of LuAG: Yb3+ laser ceramics by Lapin, V.A., Kravtsov, A.A., Suprunchuk, V.E., Tarala, L.V., Medyanik, E.V., Malyavin, F.F., Kuznetsov, S.V., Guryev, D.A., Zhmykov, V. Yu, Tsvetkov, V.B.

“…The precursor powder for laser ceramics Yb0.3Lu2.7Al5O12 were synthesized using the reverse chemical precipitation method. The influence of sintering additives…”
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Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics by Suprunchuk, V.E., Kravtsov, A.A., Malyavin, F.F., Lapin, V.A., Vakalov, D.S., Tarala, L.V., Medyanik, E.V., Chapura, O.M., Bedrakov, D.P., Tarala, V.A.

“…In this study, we investigated the influence of the position and quantitative content of scandium in YSAG:Cr on the efficiency of chromium cation valence…”
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Optical properties of non-stoichiometric YAG: Ce luminescent ceramics by Tarala, V.A., Kravtsov, A.A., Malyavin, F.F., Vakalov, D.S., Suprunchuk, V.E., Tarala, L.V., Lapin, V.A., Chapura, O.M., Medyanik, E.V., Kuznetsov, S.V.

“…The aim of this study was to investigate the mutual influence of two factors - deviation from YAG:Ce stoichiometry and vacuum sintering conditions - on the…”
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Fabrication and optical properties of YSAG:Cr optical ceramics by Tarala, V.A., Suprunchuk, V.E., Kravtsov, A.A., Malyavin, F.F., Vakalov, D.S., Tarala, L.V., Lapin, V.A., Chapura, O.M., Medyanik, E.V., Dziov, D.T., Kuznetsov, S.V.

“…YSAG:Cr3+ optical ceramics with compositions Y2.8Sc1.2Cr0.005Al3.995O12, and Y2,88Сr0,005Sc0.2Al4,915O12 were fabricated for the first time. The linear…”
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Synthesis of YSAG:Er ceramics and the study of the scandium impact in the dodecahedral and octahedral garnet sites on the Er3+ energy structure by Tarala, V.A., Nikova, M.S., Kuznetsov, S.V., Chikulina, I.S., Kravtsov, A.A., Vakalov, D.S., Krandievsky, S.O., Malyavin, F.F., Ambartsumov, M.G., Kozhitov, L.V., Mitrofanenko, L.M.

“…Optical ceramic’ samples based on yttrium-erbium-scandium-aluminum garnet with transmission coefficients over 80% in the wavelength range from 1050 to 2500 nm…”
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Stable garnets in the Er2O3–Sc2O3–Al2O3 oxide system for optical ceramics application by Nikova, M.S., Tarala, V.A., Kravtsov, A.A., Chikulina, I.S., Vakalov, D.S., Tarala, L.V., Kichuk, S.N., Malyavin, F.F., Kozhitov, L.V., Kuznetsov, S.V.

“…Erbium-scandium-aluminum garnets (ErSAG) with the maximum possible concentrations of scandium cations in the dodecahedral and octahedral positions of the…”
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Temperature-related changes in the structure of YSAG:Yb garnet solid solutions with high Sc3+ concentration by Nikova, M.S., Tarala, V.A., Vakalov, D.S., Kuleshov, D.S., Kravtsov, A.A., Kuznetsov, S.V., Chikulina, I.S., Malyavin, F.F., Tarala, L.V., Evtushenko, E.A., Lapin, V.A., Pankov, M.A.

“…The paper presents the results of the Sc3+ solubility limits estimation in dodecahedral and octahedral garnet sites for 1100–1700 °C temperature range. The…”
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The scandium impact on the sintering of YSAG:Yb ceramics with high optical transmittance by Nikova, M.S., Tarala, V.A., Malyavin, F.F., Vakalov, D.S., Lapin, V.A., Kuleshov, D.S., Kravtsov, A.A., Chikulina, I.S., Tarala, L.V., Evtushenko, E.A., Medyanik, E.V., Krandievsky, S.O., Bogach, A.V., Kuznetsov, S.V.

“…Optical ceramics based on Yb2O3–Y2O3-Sc2O3–Al2O3 solid solutions with a garnet structure were obtained using chemical precipitation and vacuum sintering…”
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Influence of the ceramic powder morphology and forming conditions on the optical transmittance of YAG:Yb ceramics by Malyavin, F.F., Tarala, V.A., Kuznetsov, S.V., Kravtsov, A.A., Chikulina, I.S., Shama, M.S., Medyanik, E.V., Ziryanov, V.S., Evtushenko, E.A., Vakalov, D.S., Lapin, V.A., Kuleshov, D.S., Tarala, L.V., Mitrofanenko, L.M.

“…The influence of the dispersity and morphology of ceramic powders on the characteristics of green bodies and the optical transmittance of YAG:Yb (20 at%)…”
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Temperature-related changes in the structure of YSAG:Yb garnet solid solutions with high Sc concentration by Nikova, M.S., Tarala, V.A., Vakalov, D.S., Kuleshov, D.S., Kravtsov, A.A., Kuznetsov, S.V., Chikulina, I.S., Malyavin, F.F., Tarala, L.V., Evtushenko, E.A., Lapin, V.A., Pankov, M.A.

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Nucleation and growth of YAG: Yb crystallites: A step towards the dispersity control by Kravtsov, A.A., Chikulina, I.S., Tarala, V.A., Vakalov, D.S., Nikova, M.S., Malyavin, F.F., Krandievsky, S.O., Blinov, A.V., Lapin, V.A.

“…In this work, the dynamics of changing the ceramic powder phase composition and the size of garnet crystallites during calcination of the precursor at various…”
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INVESTIGATION OF POSSIBILITY OF THE MISFIT DISLOCATION DENSITY REDUCTION IN GE/SI FILMS WITH A BUFFER LAYER by V.A. Lapin, A.A. Kravtsov, D.S. Kuleshov, F.F. Malyavin

“…The possibility of improving the quality of Ge/Si heteroepitaxial structures with a buffer layer is investigated. It is shown that when using a preparatory…”
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Synthesis and investigation of properties of composite ceramics LuAG: Ce / Al2O3 by V.A. Lapin, A.A. Kravtsov, V.E. Suprunchuk, L.V. Tarala, E.V. Medyanik, F.F. Malyavin

“…The purpose of this work was to study the effect of the aluminum oxide impurity content on the features of vacuum sintering, optical and luminescent properties…”
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The impact of yttrium aluminum garnet stoichiometry deviation on the conversion efficiency of tetravalent chromium ions by Malyavin, F.F., Kravtsov, A.A., Tarala, V.A., Chikulina, I.S., Vakalov, D.S., Lapin, V.A., Nikova, M.S., Khoroshilova, S.E., Medyanik, E.V., Kuleshov, D.S.

“…In this work, the conversion efficiency of Cr4+ ions and the optical properties of ceramics based on chromium-doped yttrium aluminum garnet were investigated…”
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Impact of magnesium oxide concentration and yttrium-aluminum garnet stoichiometry deviation on the microstructure and optical transmission of YAG-based ceramics by Malyavin, F.F., Kravtsov, A.A., Tarala, V.A., Nikova, M.S., Chikulina, I.S., Vakalov, D.S., Lapin, V.A., Kuleshov, D.S., Medyanik, E.V.

“…The paper investigates the effect of the magnesium oxide concentration on the ceramics’ microstructure and optical transmittance under conditions of excess…”
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