Search Results - "Nishchev, K. N"

Influence of redox synthesis conditionson the spectral and luminescent properties of germanate glass activated by bismuth ions by Pynenkov, A. A., Nishchev, K. N., Firstov, S. V., Sivko, A. P.

“…The spectral and luminescent properties of bismuth-containing germanate glass (0.1 and 1.0 mol % Bi 2 O 3 ) were studied as a function of redox synthesis…”
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Thermophysical Characteristics of Single Crystals of Ba1 –x–yYbxRyF2 +x+y (R = Tm, Ho) Solid Solutions by Kuznetsov, S. V., Konyushkin, V. A., Nakladov, A. N., Popov, P. A., Pynenkov, A. A., Nishchev, K. N., Alexandrov, A. A.

“…— Single crystals of Ba 1 – x – y Yb x R y F 2 + x + y (R = Tm, Ho) solid solutions have been grown by the Bridgman technique in vacuum using a CF 4…”
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Phase Diagram of the MgF2–SrF2 System and Interactions of Magnesium and Strontium Fluorides with Other Fluorides by Fedorov, P. P., Pynenkov, A. A., Uslamina, M. A., Ushakov, S. N., Voronov, V. V., Alexandrov, A. A., Chernova, E. V., Nishchev, K. N.

“…The phase diagram of the SrF 2 –MgF 2 system has been studied by differential thermal analysis (DTA) and X-ray powder diffraction (XRD). The stability area of…”
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Thermal Conductivity of Single Crystals of CaF2–SrF2–BaF2–YbF3 Solid Solutions by Popov, P. A., Krugovykh, A. A., Konyushkin, V. A., Nakladov, A. N., Ushakov, S. N., Uslamina, M. A., Nishchev, K. N., Kuznetsov, S. V., Fedorov, P. P.

“…— Single crystals of Ca x Sr y Ba z F 2 ( x = 0.31–0.4045, y = 0.31–0.50, z = 0.10–0.38) and Ca x Sr y Ba z Yb 0.005 F 2.005 ( x = 0.295–0.495, y = 0.30–0.50,…”
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Composite up-conversion luminescent films containing a nanocellulose and SrF2:Ho particles by Fedorov, P. P., Luginina, A. A., Kuznetsov, S. V., Voronov, V. V., Lyapin, A. A., Ermakov, A. S., Pominova, D. V., Yapryntsev, A. D., Ivanov, V. K., Pynenkov, A. A., Nishchev, K. N.

“…The synthesis of up-conversion luminescent composite films based on a nanocellulose matrix containing Sr 1−x Ho x F 2+x particles was proposed. The combination…”
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Sodium Sulfate Polymorphism by Proydakova, V. Yu, Voronov, V. V., Pynenkov, A. A., Kuznetsov, S. V., Zykova, M. P., Nishchev, K. N., Fedorov, P. P.

“…The crystal structure of anhydrous sodium sulfate purified by double recrystallization from an aqueous solution was investigated by thermal analysis and X-ray…”
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Of Silica Gel-Glasses on the 4I13/2 → 4I15/2 Luminescence Bandwidth of Er3+ Ions by Malashkevich, G. E., Kouhar, V. V., Varapay, N. V., Pavich, T. A., Shevchenko, G. P., Bokshits, Yu. V., Nishchev, K. N., Kazakbaeva, Z. M.

“…The luminescence of Er 3+ ions in silica glasses synthesized by the direct sol–gel–glass transition method and by melting of activated gel grit using various…”
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Thermophysical Properties of Single Crystals of CaF2–SrF2–RF3 (R = Ho, Pr) Fluorite Solid Solutions by Kuznetsov, S. V., Konyushkin, V. A., Nakladov, A. N., Chernova, E. V., Popov, P. A., Pynenkov, A. A., Nishchev, K. N., Fedorov, P. P.

“…Single crystals of Ca 1 – y Sr y R х F 2 + х (R = Ho, Pr) solid solutions with high optical quality have been grown by the Bridgman technique in vacuum using a…”
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Study of Yb3+ Optical Centers in Fluoride Solid Solution Crystals CaF2–SrF2–YbF3 by Ushakov, S. N., Uslamina, M. A., Nishchev, K. N., Fedorov, P. P., Kuznetsov, S. V., Osiko, V. V.

“…A concentration series of Ca (1 −   X ) Sr X F 2 :4 mol % YbF 3 crystals with Х varying from 0 to 1 has been grown. The absorption spectra of Yb 3+ ions in…”
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Structural Transformation of a (1 – x)Fe2O3–xRuO2 Nanosystem at Different Reduction Temperatures by Golub’ev, A. V., Nishchev, K. N., Beglov, V. I., Kyashkin, V. M., Brodskaya, I. G., Maksimov, Yu. V., Imshennik, V. K., Novichikhin, S. V.

“…The phase composition and structure of oxide and hydrogen-reduced iron–ruthenium systems are studied using conversion and adsorption Mössbauer spectroscopy, as…”
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THE EFFECT OF THE GRANULOMETRIC COMPOSITION OF THE FILLER AND HEAT TREATMENT ON THE ADHESION STRENGTH OF MULTILAYER METAL COATING ON AlSiC MMС’S SURFACE by Nishchev, K. N., Novopol'tsev, M. I., Malygin, M. Yu, Chernobrovkin, Yu. V., Beglov, V. I., Sigachev, A. F., Mishkin, V. P., Moiseev, N. V., Lyutova, E. N.

“…Background. Modern semiconductor power devices (SPD) contain temperature compensators (TC) in their design, which can be made of a metal matrix composite…”
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Phase diagram of the NaF–CaF2 system and the electrical conductivity of a CaF2-based solid solution by Fedorov, P. P., Mayakova, M. N., Kuznetsov, S. V., Maslov, V. A., Sorokin, N. I., Baranchikov, A. E., Ivanov, V. K., Pynenkov, A. A., Uslamina, M. A., Nishchev, K. N.

“…The phase diagram of the NaF–CaF 2 system was studied by thermal analysis and X-ray powder diffraction analysis with the determination of the chemical…”
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Correction to: Features of Samarium Incorporation into Al- and Ba-Doped Silica Gel Glasses by Malashkevich, G. E., Shimko, A. N., Stupak, A. P., Prusova, I. V., Nishchev, K. N., Kyashkin, V. M., Kornienko, A. A., Dunina, E. B., Semchenko, A. V., Sergeev, I. I.

“…The fifth author's name should read K. N. Nishchev. Figure 3 on page 587 is incorrect…”
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Hybrid Biodegradable Nanocomposites Based on a Biopolyester Matrix and Magnetic Iron Oxide Nanoparticles: Structural, Magnetic, and Electronic Characteristics by Prusakov, V. E., Maksimov, Yu. V., Nishchev, K. N., Golub’ev, A. V., Beglov, V. I., Krupyanskii, Yu. F., Bychkova, A. V., Iordanskii, A. L., Berlin, A. A.

“…The structural, electronic, and magnetic properties of iron oxide nanoparticles encapsulated in hybrid biodegradable therapeutic systems based on…”
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Studying the microstructure of AlSiC metal matrix composite material by scanning electron microscopy by Nishchev, K. N., Novopoltsev, M. I., Mishkin, V. P., Shchetanov, B. V.

“…The microstructure of fractures in AlSiC metal matrix composite material obtained via vacuum compression impregnation of porous semi-finished materials is…”
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Intensity parameters for Er3+ ions in calcium-niobium-gallium garnet crystals by Voron’ko, Yu. K., Malov, A. V., Nishchev, K. N., Ryabochkina, P. A., Sobol, A. A., Ushakov, S. N.

“…Based on the analysis of the absorption spectra of Er-doped calcium-niobium-gallium garnet (Er:CNGG) crystals according to the Judd-Ofelt theory, the intensity…”
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Long-wavelength optical properties of the Ca0.33Sr0.33Ba0.33F2 solid solution single crystals by Komandin, G.A., Spector, I.E., Fedorov, P.P., Kuznetsov, S.V., Ushakov, S.N., Uslamina, M.A., Nishchev, K.N., Garibin, E.A.

“…The optical characteristics of Ca0.33Sr0.33Ba0.33F2 (CSBF) single crystal of a ternary solid solution of calcium, strontium and barium fluorides were studied…”
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Near-infrared luminescent barium gallium-germanate glasses and glass-ceramics doped with bismuth by Pynenkov, A.A., Nishchev, K.N., Kyashkin, V.M., Tomilin, O.B., Boyarkina, O.V., Firstov, S.V.

“…A series of barium gallium-germanate glasses (84-х) GeO2–14BaO–2Ga2O3–x Bi2O3 (х=0; 0,1; 1; 3; 5mol%) was synthesized by crucible technology. It was revealed…”
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SEM and SPM Characterization of Nanostructures Formed by Anodizing Aluminum Foils by Nishchev, K. N., Mishkin, V. P., Gorbunov, D. S., Lyutova, E. N., Dolganov, A. V.

“…Scanning electron microscopy and scanning probe microscopy are used to examine the surface morphology of aluminum foils exposed to anodizing in acidic…”
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Structural Transformation of a Fe.sub.2O.sub.3-xRuO.sub.2 Nanosystem at Different Reduction Temperatures by Golub'ev, A. V, Nishchev, K. N, Beglov, V. I, Kyashkin, V. M, Brodskaya, I. G, Maksimov, Yu. V, Imshennik, V. K

“…The phase composition and structure of oxide and hydrogen-reduced iron-ruthenium systems are studied using conversion and adsorption Mössbauer spectroscopy, as…”
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