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1.
Transparent ceramics based on yttrium oxide added with scandium and neodymium oxides
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(Science for ceramic production)
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The possibility of obtaining a transparent ceramic material based on yttrium oxide with the addition of scandium oxide and neodymium oxide has been investigated. The modes of heat treatment of the charge ...
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2.
HETEROVALENT SUBSTITUTION OF ZIRCONIUM IN NASICON SOLID SOLUTION (Na3Zr2Si2РO12)
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(Not-set)
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Fe-substituted ceramic materials of the NASICON family, corresponding to the generally accepted formula Na3+yМ(III)yZr2–ySi2PO12, with a dopant concentration from 5 to 20 mol. % were studied. Doping changes ...
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3.
FABRICATION, MICROSTRUCTURE AND PROPERTIES OF COMPOSITE OPTICAL CERAMICS YSAG:Nd3+/YSAG:Sm3+
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(Not-set)
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Nanocrystalline powders of yttrium scandium aluminum garnet (YSAG) doped with neodymium Nd3+ and samarium Sm3+ cations were synthesized by chemical precipitation. Their morphology, phase and granulometric ...
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4.
STRUCTURE AND OPTICAL PROPERTIES OF SOLID SOLUTIONS OF THE ZrO2–Sc2O3 SYSTEM OBTAINED BY CO-PRECIPITATION
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(Not-set)
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The structure of ZrO2–Sc2O3 powders in the composition range from 1 to 15 mol. % Sc2O3 with the addition of 0.1 mol. % Eu2O3 as a spectroscopic probe, obtained by the coprecipitation method and heat-treated ...
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5.
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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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.
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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8.
Modern optical transparent composite ceramics
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(Science for ceramic production)
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The factors influencing the process of obtaining transparent ceramic materials are analyzed. Methods for obtaining materials based on yttrium oxide and yttrium-aluminum garnet, transparent in the visible ...
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9.
Solid solutions of Si2O3 in mullite
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(Science for ceramic production)
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... coefficient or enriched in this oxide. Using additives of yttrium or scandium oxides, which are chemisorbed onto the aerosil surface (source of SiO 2 ), it is possible to make the rate of diffusion mass ...
