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1.
FABRICATION, MICROSTRUCTURE AND PROPERTIES OF COMPOSITE OPTICAL CERAMICS YSAG:Nd3+/YSAG:Sm3+
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(Not-set)
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... microstructure and optical properties of YSAG:Nd3+/YSAG:Sm3+ composite ceramics was also investigated. It is shown that at the interface between the YSAG:Nd and YSAG:Sm layers there is a region of gradient ...
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2.
APPLICATION OF POLYVINYLPYRROLIDONE TO IMPROVE THE OPTICAL PROPERTIES OF YAG-BASED CERAMICS
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(Not-set)
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Yttrium aluminum garnet doped with ytterbium (YAG:Yb) ceramic powders were synthesized using the chemical precipitation method, from which optical ceramic samples were fabricated. Dispersants, namely polyvinylpyrrolidone ...
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3.
EFFECT OF HOT PRESSING CONDITIONS OF CVD-ZnSe POWDER ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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The paper studies the effect of vacuum hot pressing (VHP) conditions on the microstructure, density, and optical properties of ZnSe ceramics. Graphite and titanium foils, as well as powdered aluminum oxide, ...
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4.
INVESTIGATION OF LUMINESCENT PROPERTIES OF OPTICAL CERAMICS BASED ON YAG AND LuAG CO-ACTIVATED Yb3+ AND Er3+
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(Not-set)
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For the first time, optical ceramics based on LuAG were obtained, simultaneously doped with Yb3+ and Er3+ ions. The optical, spectral-luminescent and kinetic characteristics of ceramics Y2,82Yb0,15Er0,03Al5O12 ...
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5.
OPTICAL PROPERTIES OF CAD/CAM INTERPENETRATING PHASE COMPOSITES – AN OVERVIEW
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(Not-set)
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This review presents various interpenetrating phase composite (IPC) materials currently used in computer-aided design/computer-aided manufacturing (CAD/CAM) systems and to evaluates how the optical properties ...
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6.
THE COMBINED EFFECT OF SINTERING ADDITIVES MgO AND TEOS ON THE STRUCTURE AND OPTICAL PROPERTIES OF CERAMICS YAG:Yb, Er
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(Not-set)
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... the microstructure and optical properties of ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, made from powders synthesized by chemical co-deposition. The results presented in the paper showed that ...
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7.
SYNTHESIS AND STUDY OF THE OPTICAL AND SPECTRAL-LUMINESCENT PROPERTIES OF LuAG:Ce CERAMICS
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(Not-set)
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... these powders by vacuum sintering green bodies in the temperature range of 1600 – 1800 ?C. The study aimed to investigate the effect of cerium concentration and vacuum sintering temperature on the optical ...
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8.
Morphology and Optical Properties of Fluorine and Copper Doped Titanium Dioxide Spatially Ordered Films
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(Not-set)
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The results of studying the morphology and optical properties of copper and fluorine-doped ceramic TiO 2 films synthesized using electrolytic and solvothermal methods are presented. It is shown that ...
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9.
Nanoporous glass with controlled pore size for high performance oligonucleotides
synthesis
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(Science for glass production)
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The results of the development of powdered nanoporous glass (NPS) with a controlled pore size for solid-phase synthesis of oligonucleotides with an increased product yield are presented. By varying the ...
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10.
High-performance techniques of materials processing with novel diamond tools
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(Materials processing)
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Examples of the successful application of new types of diamond tools for highly efficient processing of a wide class of materials, such as glass, ceramics, sapphire, semiconductor materials, and various ...
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11.
Development of the household glass compositions with enhanced lighting performance
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(Science for glass production)
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The results of research in the field of synthesis of barium-zirconium lead-free sorted glasses, the optical performance of which are not inferior to those of lead-containing ones, are presented. Glasses ...
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12.
Service properties of the structural glue for precise assemblage of optical prismatic modules
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(At the enterprises and institutes)
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Several types of structural glue are considered, their performance properties in the case of application for the production and assembly of high-precision optical products when joining glass-metal. Tab. ...
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13.
Methods of increasing the optical parameters of the float glass
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(Science for glass production)
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The influence of the processes of pouring and spreading of glass melt in a molten bath on the optical performance of float glass is considered. The existing design and technological solutions for leveling ...
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14.
MODIFIED AlF3 AND LiF OXYFLUORIDE LITHIUM-SILICATE SCINTILLATION GLASS FOR NEUTRON DETECTION
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(Not-set)
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Lithium-silicate scintillation glasses doped with rare earth ions are promising materials for neutron detectors. Oxyfluoride glasses, due to modification by fluorine, have improved spectral and mechanical ...
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15.
INVESTIGATION OF THE STRUCTURE OF A TRANSPARENT GAHNITE-BASED GLASS-CERAMICS IN THE Na2O–ZnO–MgO–Al2O3–SiO2 SYSTEM BY TRANSMISSION ELECTRON MICROSCOPY
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(Not-set)
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It is known that the introduction of small Na2O additives (up to 5 mol. %) into the glass composition of the ZnO–MgO–Al2O3–SiO2 (ZMAS) does not interfere with the production of zinc spinel (ZnAl2O4) based ...
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16.
SYNTHESIS OF ALUMINUM-MAGNESIUM SPINEL FROM XEROGELS OBTAINED FROM ALUMINUM AND MAGNESIUM CHLORIDES AND NITRATES IN THE PRESENCE OF CITRIC ACID
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(Not-set)
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The effect of a combination of water-soluble magnesium and aluminum salts on the physicochemical properties of the obtained aluminomagnesium spinel was studied. It was shown that the formation of aluminomagnesium ...
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17.
MECHANISM OF REDUCING AGGLOMERATION OF YAG CERAMIC POWDERS USING AMMONIUM SULFATE DISPERSANT
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(Not-set)
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Yttrium aluminum garnet (YAG) powders were synthesized via chemical precipitation, both with and without the addition of ammonium sulfate as a dispersant. The impact of the dispersant on the particle size ...
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18.
ULTRA-SOFT X-RAY SPECTROSCOPY STUDY OF CHROMIUM-DOPED TITANIUM CALCIUM-COPPER CaCu3Ti4O12
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(Not-set)
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A series of chromium-containing solid solutions CaCu3Ti4 – 4хСr4хO12 – ? (sp. gr. Im3) were obtained by the solid-phase synthesis method. The unit cell parameter of the solid solutions changed insignificantly ...
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19.
COMPREHENSIVE STUDY OF THE BARKHAN SANDS OF THE KUSHKUPYR DEPOSIT FOR THE PRODUCTION OF SODIUM SILICATE IN THE MICROSILICA–BARKHAN SAND–CAUSTIC SODA SYSTEM
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(Not-set)
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The chemical and mineralogical composition, grain structure and physicochemical properties of unenriched dune sands located in the Kushkupyr district of Uzbekistan were studied. Analysis of the granulometric ...
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20.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
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(Not-set)
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Presents the results of the synthesis of mullite-silica ceramics with improved electrophysical characteristics based on natural kaolinite raw materials extracted in the Orenburg region. The main attention ...
