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1.
Physical and Chemical Properties of Oxide Coatings Based on Ruthenium, Titanium and Rare Earth Elements Doped by Carbon Nanomaterials
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(Not-set)
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Samples of electrodes with an active layer based on TiO 2 , RuO 2 and oxides of rare earth elements Ce, La, Nd, doped with carbon nanoscale, have been obtained. The morphology of oxide electrodes was ...
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2.
Ceramics based on zirconates, titanates and stannates of rare-earth elements
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(Science for ceramic production)
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The solid-phase synthesis of gadolinium titanate, stannate and zirconate has been studied. It was shown that these compounds can be obtained at 700 ° C. Obtained ceramics based on Gd 2 Zr 2 O 7 , ...
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3.
Investigation of Electrodes Materials Based on the Mixture of Oxides of Rare-Earth Metals, Titanium and Ruthenium
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(Coatings)
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Samples of electrodes with an active layer based on TiO 2 , RuO 2 , IrO 2 and oxides of rare earth elements Ce, La, Nd, Pr, Gd and others. Studied their electrochemical behavior. The values ??of the ...
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4.
Phase composition, structure and hydrolysis resistance of sodium-alumo(ferro)phosphate glasses doped with rare-earth metals oxides
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(Science for glass production)
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... containing over 100 & # 37; 10 & # 37; (mass content) oxides of rare earth elements (REE). It was shown that all materials obtained by quenching the melts, except for La-containing ones, were X-ray amorphous, ...
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5.
Rare-earth aluminate ceramic materials
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(Science for ceramic production)
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Fine-dispersed powders of rare-earth elements (REE) aluminates were obtained by the "wet combustion" method. The solid-phase synthesis of lanthanum-gadolinium aluminate has been studied. It has ...
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6.
Interaction of beryllium ceramic crucibles with the rare-earth metal melts
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(Science for ceramic production)
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Using optical absorption spectra, PCL, X-ray diffraction, X-ray photoelectron spectroscopy, and an electron probe in inert and reducing atmospheres (at high temperatures), a strong chemical interaction ...
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7.
ELECTRICAL PROPERTIES OF OXIDE CERAMICS WITH PYROCHLORE STRUCTURE CONTAINING MANGANESE AND NICKEL
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(Not-set)
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The electrical properties of bidoped oxide pyrochlore Bi6/5Mn1/3Ni1/3Ta4/3O6+? (sp. gr. Fd-3m, a = 10.5038(9) ?), synthesized for the first time by the solid-phase method, were studied. According to scanning ...
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8.
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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9.
STUDY OF DEGRADATION OF LUMINESCENT PROPERTIES OF ERBIUM-DOPED ZINC-TELLURITE GLASSES UNDER TROPICAL CLIMATE CONDITIONS
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(Not-set)
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Glasses in the TeO2–ZnO system doped with Er3+, Yb3+, Nd3+ were studied. The influence of the synthesis atmosphere on the properties was determined. The photoluminescence intensity, absorption, refractive ...
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10.
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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11.
ASSESSMENT OF THE EFFECT OF THE FLINAK SALT ADDITIVE ON THE PROPERTIES OF BOROPHOSPHATE GLASSES
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(Not-set)
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The paper presents the results of the studies of borophosphate glasses containing an additive of the FLiNaK salt, an eutectic mixture of alkali metal fluorides of the composition 46.5 mol. % LiF – 11.5 ...
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12.
SYNTHESIS, STRUCTURE AND OPTICAL PROPERTIES OF LEAD GALLATE GLASSES
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(Not-set)
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The PbO–Ga2O3 glass-forming system with a lead oxide content of more than 50 mol. % was studied. It was found that the introduction of lead oxide significantly affects the glass structure. Using vibrational ...
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13.
PRODUCTION OF POROUS CERAMICS ?-Al2O3–3YSZ WITH ADDITIVE OF ?(?)-Al2O3
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(Not-set)
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Porous ?-Al2O3–3YSZ ceramics were fabricated using slip casting, incorporating 15 wt. % submicron Al2O3 powders as sintering additives. These orders were synthesized via solution combustion synthesis using ...
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14.
INVESTIGATION OF THE CHEMICAL RESISTANCE OF OXYCHLORIDE LEAD BORATE GLASSES DOPED WITH NEODYMIUM AND THE STABILITY OF THEIR LUMINESCENT PROPERTIES IN THE CLIMATIC CONDITIONS OF SOUTH-EAST ASIA
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(Not-set)
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The chemical resistance of glasses in the PbCl2–PbO–B2O3–NdF3 system has been studied. Oxochloride lead-borate glasses have demonstrated good water resistance and alkali resistance, while low acid resistance. ...
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15.
EFFECT OF DYSPROSIUM DOPING ON MICROSTRUCTURE AND DEGREE OF TEXTURING OF BISMUTH TELLURIDE-BASED THERMOELECTRIC MATERIALS
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(Not-set)
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The purpose of this work was to prepare and identify the features of the microstructure and the degree of texturing of the thermoelectric material Bi2Te2.7Se0.3 doped with dysprosium. Textured Bi2-xDyxTe2.7Se0.3 ...
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16.
ELECTRICAL CHARACTERISTICS OF BISMUTH-CONTAINING CERIUM OXIDE
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(Not-set)
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Ceramics Ce0.9Bi0.1O2 – ? was obtained by solid-phase synthesis. It is shown that the obtained samples have a cubic fluorite structure with the space symmetry group Fm3m. The electrical properties of the ...
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17.
SYNTHESIS OF MULTICOMPONENT COMPOUNDS WITH A PIROCHLORE-TYPE STRUCTURE
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(Not-set)
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The possibility of solid-phase synthesis of multicomponent bismuth niobates and tantalates with pyrochlore-type structure (sp. gr. Fd-3m), containing atoms of transition 3d-elements in equimolar quantities ...
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18.
THE MANUFACTURING METHOD EFFECT ON THE STRUCTURE AND ELECTRICAL PROPERTIES OF SOLID SOLUTION Ce0.8Y0.2О2-?
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(Not-set)
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The solid solution Ce0.8Y0.2O2-? was obtained by three methods: sol gel, glycine nitrate and solid-state reaction. The synthesis temperature was 1350 ?C for the sample obtained by the sol gel method and ...
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19.
OXIDE-CONTAINING MINERAL FIBERS: TYPES, METHODS OF PRODUCTION, APPLICATION AND MANUFACTURERS (REVIEW)
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(Not-set)
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The article provides an overview of mineral oxide fibers of various chemical composition: aluminosilicate, alumina, silica, bio-soluble, zirconium oxide fibers and others. Methods for producing discrete ...
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20.
Glass-Ceramics Based on Lead Fluoroborate Glasses,
Co-Doped by Eu/Gd
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(Not-set)
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Transparent glass-crystalline materials co-activated with Eu 3+ / Gd 3+ were obtained by heat treatment of the initial lead fluoroborate glasses. It was found that the ions of rare-earth elements in ...
