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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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... composition have been studied. Three types of samples were produced from the obtained ceramic powders using various pressing methods: standard non-composite reference samples, samples with a composite ...
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2.
Modern optical transparent composite ceramics
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(Science for ceramic production)
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... region of the spectrum, are shown. The modes of heat treatment of materials were established both in air and in vacuum. Mechanisms have been developed for creating a composite transparent material that ...
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3.
FABRICATION AND PROPERTIES OF CERAMICS/SINGLE CRYSTAL COMPOSITES BASED ON YTTRIUM ALUMINUM GARNET
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(Not-set)
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The optical properties and microstructure of composites based on yttrium aluminum garnet were studied. The composites were produced by vacuum sintering pre-formed compacts of nanocrystalline powder with ...
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4.
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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5.
INFLUENCE OF SULFATE-ION ADDITIVE AT DIFFERENT STAGES OF YAG:Cr CERAMICS FABRICATION ON THE OPTICAL PROPERTIES
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(Not-set)
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In this study, the influence of the quantitative content of sulfate ions at key technological stages of the synthesis of YAG:Cr ceramic powder on the optical properties of ceramics was investigated. The ...
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6.
INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr
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(Not-set)
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The purpose of this work is to study the effect of scandium in the dodecahedral and octahedral positions of the garnet crystal lattice on the features of vacuum sintering of optical ceramics Y3-хScxAl2-yScyAl3O12:Cr, ...
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7.
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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In this study, the changes in the morphology and degree of agglomeration of both precursor powders and ceramic YAG powders under varying grinding conditions was considered. The effect of these parameters ...
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8.
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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In this work, the effect of sintering additives based on magnesium oxide (MgO) and silicon oxide (TEOS) in concentrations from 0.02 to 0.10 wt. % and 0.2 to 0.5 wt. %, respectively, was investigated on ...
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9.
SYNTHESIS AND STUDY OF THE OPTICAL AND SPECTRAL-LUMINESCENT PROPERTIES OF LuAG:Ce CERAMICS
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(Not-set)
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In this study, LuAG:Ce ceramic powders with compositions of Lu2.98Ce0.02Al5O12 and Lu2.93Ce0.07Al5O12 were synthesized using chemical precipitation. Luminescent ceramic samples were then produced from ...
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10.
Methods of magnesium aluminate spinel powders synthesis for optically transparent ceramics (a review)
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(Science for ceramic production)
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Prospects for the use of optically transparent ceramics made of aluminum-magnesium spinel are considered. The technologies for the synthesis of spinel powders for subsequent use in the production of transparent ...
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11.
Optically transparent ceramics (review) [3-10]
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(Ceramic materials)
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The features of the manufacture of optically transparent ceramic materials for various fields of application are considered. Technologies for compacting and sintering transparent ceramics are described, ...
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12.
BIMETALLIC NANOPARTICLES AgAu, AgRb IN ZINC PHOSPHATE GLASS: FORMATION, STRUCTURE, EFFECT ON OPTICAL CHARACTERISTICS OF GLASS CO-DOPED WITH NEODYMIUM IONS
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(Not-set)
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Doped zinc-phosphate (ZP) glasses of compositions ZP:Ag:Au and ZP:Ag:Rb were synthesized by the melt quenching method both without and with the use of additional heat post-treatment at T = 500 °C. In the ...
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13.
GLASS-CERAMIC FERROELECTRIC COMPOSITE MATERIAL BASED ON LOW-ALKALI ALUMINOBOROSILICATE GLASS AND BaTiO3
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(Not-set)
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Using the sintering method near the softening temperature of the glass employed, glass-ceramic composites consisting of low-alkali aluminoborosilicate glass and barium titanate mixed in various proportions ...
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14.
OBTAINING YAG:Ce CERAMICS WITH HIGH LUMINESCENT PROPERTIES
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(Not-set)
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The precursor powder and luminescent ceramics YAG:Ce based on it were obtained by reverse chemical deposition. The influence of sintering additives (CaO, MgO and TEOS), the concentration of the activator ...
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15.
PREPARATION OF A COMPOSITE BASED ON HOLLOW GLASS MICROSPHERES MODIFIED WITH SILVER NANOPARTICLES
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(Not-set)
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Composite materials based on K 25 hollow glass microspheres were obtained by modifying them with silver nanoparticles obtained by an environmentally friendly “green” method using an aqueous plant extract ...
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16.
PREPARATION OF MESOPOROUS COMPOSITE TiO2-MONTMORILLONITE IN SOFT HYDROTHERMAL CONDITIONS
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(Not-set)
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In this work, mesoporous TiO2-montmorillonite composites with hydrothermally activated impregnation (115 °C, 0.5…5.0 h) of a mechanically and thermally activated support with titanium polyhydroxocomplexes ...
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17.
MICROSTRUCTURE AND PROPERTIES OF A GLASS-FIBER COMPOSITE DEPENDING ON THE SPECIFIC SURFACE AREA OF THE FILLER – LEAD TITANATE
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(Not-set)
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... been studied by optical microscopy in combination with birefringence testing with a locality of about 1 µm. The influence of the specific surface area and filler concentration on the TCLE of sintered composites ...
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18.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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19.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, ...
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20.
INFLUENCE OF CERIUM CONCENTRATION AND SINTERING ATMOSPHERE ON THE PHASE COMPOSITION AND LUMINESCENT PROPERTIES OF Y2.98-хCeхAl5.02О12 CERAMICS
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(Not-set)
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The phase composition and spectral-luminescent properties of ceramic samples obtained from oxide compositions with the general formula Y2.98-хCeхAl5.02О12 (x = 0.05, 0.10, 0.20, 0.30, 0.45, 0.60 formula ...
