Search Results - "Malashkevich, G E"

Synthesis and Spectral-Luminescent Properties of Light-Accumulating Oxides HfO2–ZrO2 by Malashkevich, G. E., Bokshits, Yu. V., Kovel, E. A., Zhuravkov, V. A., Shevchenko, G. P., Kouhar, V. V., Ramanenka, A. A., Stanishevsky, I. V.

“…The chemical deposition method was used to synthesize light-accumulating HfO 2 –ZrO 2 oxide systems with afterglow duration up to 10 min and their…”
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Spectral-luminescent Properties of Glasses of the (Y1 – xYbx)2O3–Al2O3–B2O3–SiO2 + Cr2О3 + Na2O System by Malashkevich, G. E., Kouhar, V. V., Ramanenka, A. A., Azarko, I. I., Sigaev, V. N., Golubev, N. V, Ziyatdinova, M. Z., Ignatieva, E. S., Bahramov, S. A.

“…Fused yttrium-alumoborate glasses doped with ytterbium, silicon, chromium, and sodium were synthesized. The influence of the matrix on the “spectroscopic…”
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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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Oxide glass with minimum distance 0.67 nm between rare-earth activators by Malashkevich, G. E., Golubev, N. V., Mamadzhanova, E. Kh, Ziyatdinova, M. Z., Sigaev, V. N., Sukhodola, A. A., Khotchenkova, T. G., Prusova, I. V., Sergeev, I. I.

“…It is shown that glasses in the system (Ln x Y 1 – x ) 2 O 3 O 3 –Al 2 O 3 –B 2 O 3 are a promising matrix for obtaining highly doped active media with…”
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Local crystallization of glasses aided by copper vapor laser by Lotarev, S. V., Lipat’ev, A. S., Golubev, N. V., Ignat’eva, E. S., Malashkevich, G. E., Mudryi, A. V., Priseko, Yu. S., Lorenzi, R., Paleari, A., Sigaev, V. N.

“…It is shown that a copper vapor laser can be used effectively for local crystallization of glasses with precipitation of active phases on a surface or in the…”
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Quenching of [Ce(H2O)n]3+ Fluorescence by Graphene Oxide by Kruhlik, A. S., Malashkevich, G. E., Povedailo, V. A., Ronishenko, B. V., Tolkachev, V. A., Yakovlev, D. L.

“…Static fluorescence quenching by graphene oxide at various concentrations was observed by measuring the relative fluorescence intensity and excited-state…”
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Particulars of the Formation of Luminescent and Plasmon Nanoparticles of Gold in Phosphate Glass by Shakhgil’dyan, G. Yu, Stepko, A. A., Sigaev, V. N., Malashkevich, G. E.

“…It is shown that gold nanoclusters and nanoparticles, possessing luminescence and plasmon properties depending on size, can form in…”
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Spectroscopic properties of Sm-containing yttrium-aluminoborate glasses and analogous huntite-like polycrystals by Malashkevich, G.E., Sigaev, V.N., Golubev, N.V., Mamadzhanova, E.Kh, Sukhodola, A.A., Paleari, A., Sarkisov, P.D., Shimko, A.N.

“…SmxY1–xAl3(BO3)4 polycrystals with huntite structure and glasses of system (mol %) 12.5 (SmxY1–x)2O3–37.5Al2O3–50B2O3 with identical composition have been…”
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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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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., Nischev, K. N., Kyashkin, V. M., Kornienko, A. A., Dunina, E. B., Semchenko, A. V., Sergeev, I. I.

“…Silica gel glasses obtained by vitrification in air or an H 2 :Ar gas mixture of xerogels doped with Sm, Al, and Ba were studied. Impurity hexagonal and…”
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Influence of preparation redox conditions and composition of Ce-containing silica gel-glass on its absorption spectrum in the visible region by Malashkevich, G.E, Semkova, G.I, Strek, W

“…It is shown that silica gel-glass doped with Ce and prepared in hard oxidative conditions is characterised by a relatively intense and broad absorption band at…”
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New optical centers of triply charged cerium ions in silica gel-glasses saturated with hydrogen by Malashkevich, G.E., Melnichenko, I.M., Poddenezhny, E.N., Boiko, A.A.

“…The influence of annealing in hydrogen on spectral-luminescent properties of Ce-containing silica gel-glasses vitrified in air at 1200°C has been investigated…”
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Effect of polyvinylpyrrolidone on the morphology and spectral luminescence of Y3Al5O12:Ce+3 by Shevchenko, G. P., Tret’yak, E. V., Rakhmanov, S. K., Malashkevich, G. E.

“…Results from investigating the effect of different molecular masses and amounts of polyvinylpirrolidone (PVP) on the structural-phase, morphological, and…”
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Structure and properties of erbium-titanium-tellurite glass by Sukhov, S S, Sigaev, V N, Perniche, P, Aronne, A, Fanelli, E, Brovelli, S, Paleari, A, Malashkevich, G E

“…The structure of glasses of the compositions xEr2O3-2xTiO2-(100-3x )TeO2 was investigated and the glass formation region, situated in the range of 2 < x < 7…”
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Optical centers of cerium in silica glasses obtained by the sol-gel process by Malashkevich, G.E, Poddenezhny, E.N, Melnichenko, I.M, Boiko, A.A

“…A spectral-luminescent study of Ce-containing silica gel-glasses doped at the sol stage and by impregnating porous xerogels with activator chloride salt…”
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Luminescence of borogermanate glasses activated by Er3+ and Yb3+ ions by Malashkevich, G.E., Sigaev, V.N., Golubev, N.V., Savinkov, V.I., Sarkisov, P.D., Khodasevich, I.A., Dashkevich, V.I., Mudryi, A.V.

“…Glasses of the 25Ln2O3-25B2O3-50GeO2 composition (mol%) where Ln=(1a degree x a degree y) La, xEr, yYb, with an addition of Al2O3 have been obtained and their…”
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Influence of silver on the Sm3+ luminescence in “Aerosil” silica glasses by Malashkevich, G. E., Semchenko, A. V., Sukhodola, A. A., Stupak, A. P., Sukhodolov, A. V., Plyushch, B. V., Sidskiĭ, V. V., Denisenko, G. A.

“…The introduction of silver into the samarium-containing silica glasses prepared by the original solgel method leads to the formation of complex optical centers…”
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Luminescent probe to investigate material absolute absorption by Voitovich, A.P., Kalinov, V.S., Malashkevich, G.E., Runets, L.P., Stupak, A.P., Montereali, R.M., Baldacchini, G.

“…► A new method is suggested to measure optical absorption by means of Luminescence. ► The method is useful when a direct measurement of absorption is not…”
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Spectroscopy of Yb-doped tungsten–tellurite glass and assessment of its lasing properties by Merzliakov, M.A., Kouhar, V.V., Malashkevich, G.E., Pestryakov, E.V.

“…Glasses of the TeO2-WO3-Yb2O3 system are synthesized for wide range of Yb3+ concentrations of up to 6.0 × 1021 ions/cm3. The spectral-luminescent properties of…”
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Optical amplification in Ni2+-doped gallium germanosilicate glass-ceramics by Grabtchikov, A.S., Khodasevich, I.A., Golubev, N.V., Ignat’eva, E.S., Mashinsky, V.M., Kozlova, E.O., Malashkevich, G.E., Sigaev, V.N.

“…Transparent germanosilicate glass-ceramics embedding γ-Ga2O3:Ni2+ nanocrystals have been fabricated. Optical amplification in the glass-ceramics was observed…”
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