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1.
INFLUENCE OF THE RARE-EARTH FLUORIDES ADDITIVE ON THE STRUCTURE AND PROPERTIES OF THE BOROPHOSPHATE GLASSES
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(Not-set)
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In this work, we investigated borophosphate glasses with additions of 0.5 to 1.5 mol. % of rare-earth fluorides LnF3 (Ln = La, Ce, Nd), considered as simulants of radioactive waste from the now developing ...
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2.
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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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.
Oxide glass with 0,67 nm minimum distance between rare-earth activators
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(At the enterprises and institutes)
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It is shown that the glasses of the system (Ln x Y 1-x ) 2 O 3 - Al 2 O 3 - B 2 O 3 are a promising matrix for obtaining highly doped active media with low-efficiency concentration quenching ...
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6.
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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7.
INORGANIC GLASS SCINTILLATORS: COMPOSITIONS AND PROPERTIES
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(Not-set)
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... and extrinsic (temperature, radiation) factors that reduce efficiency are analyzed. This review examines promising matrices (silicate, phosphate, borate, and oxyfluoride), the role of rare earth ions (Ce3+, ...
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8.
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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9.
SPECTROSCOPIC PROPERTIES OF ZINC-PHOSPHATE GLASSES SINGLE-DOPED WITH Er3+ AT DIFFERENT CONCENTRATIONS
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(Not-set)
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Spectral-luminescence properties of zinc-phosphate ZnO–P2O5 (PZ) glasses doped with 0.25…1.00 mol. % Er2O3 were studied. It has been shown that an increase in the Er2O3 concentration in the synthesized ...
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10.
LOCAL ATOMIC STRUCTURE OF NEODYMIUM IONS IN ALUMOBORATE AND ZINCPHOSPHATE GLASSES DETERMINED BY EXAFS
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(Not-set)
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In this work, the local atomic structure of neodymium ions embedded in alumoborate glass (5 mol. % Nd2O3) is studied in comparison with the structure of neodymium ions in zinc phosphate glass (0.5 mol.% ...
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11.
PROPERTIES OF POWDERS SYNTHESIZED FROM AQUEOUS SOLUTIONS OF SODIUM SILICATE AND IRON SULFATE
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(Not-set)
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The phase composition of the powder synthesized from aqueous solutions of sodium silicate Na2SiO3 and iron sulfate FeSO4 at the molar ratio Fe/Si = 2 according to X-ray diffraction (XRD) data included ...
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12.
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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13.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 2. APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED ON CALCIUM ZIRCONA
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical characteristics of products based thereon. The main fields of application of ceramic and refractory materials ...
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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.
INVESTIGATION OF THE INFLUENCE OF YTTERBIUM OXIDE ON PHASE COMPOSITION AND SHS PARAMETERS OF COMPOSITIONS BASED ON SILICON NITRIDE
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(Not-set)
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Using the method of self-propagating high-temperature synthesis (SHS) SHS compositions based on the Si3N4–Yb2O3 system were obtained. Synthesis by combustion was carried out in a nitrogen atmosphere at ...
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16.
FEATURES IN MICROSTRUCTURE AND THERMOELECTRIC PROPERTIES OF THE COMPOSITES Bi2Te2,7Se0,3+Fe WITH FILLER INCLUSIONS OF CORE-SHELL TYPE
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(Not-set)
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Purpose of this work is to establish the features in the microstructure and thermoelectric properties of composites consisting of Bi2Te2.7Se0.3-based matrix and a Fe filler. The composition with a filler ...
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17.
PHASE TRANSFORMATIONS UNDER THE ACTION OF FEMTOSECOND PULSES IN THE GLASS-CERAMIC OF ZnO–MgO–Al2O3–SiO2 SYSTEM
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(Not-set)
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The effect of femtosecond laser micro-treatment in thermal and non-thermal modes on the structure of transparent glass-ceramic based on the ZnO–MgO–Al2O3–SiO2 system, characterized by increased mechanical ...
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18.
Electroflotation Extraction of Titanium Oxide and Nitride Powders from Aqueous Solutions
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(Not-set)
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The kinetics of the electroflotation process of extraction of TiO 2 and TiN powders from wastewater has been investigated. Experimental results show that stationary values ??are reached
in 20 & mdash; ...
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19.
Influence of Gold Nanoparticles on Spectral and Luminescent Properties of Phosphate Glass Doped with Eu3+ Ions
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(Science for glass production)
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... that the formation of gold clusters (pre-plasmonic particles) leads to an increase in the luminescence intensity of rare-earth ions, while the formation of gold nanoparticles with localized plasmon resonance ...
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20.
Electroflotation extraction of high disperse titania TiO2 from water solutions of electrolytes
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(At the enterprises and institutes)
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The electroflotation extraction of highly dispersed TiO 2 and Ti (OH) 4 particles has been studied. It was found that in aqueous solutions of electrolytes at pH = 2 ... 12 electroflotation of TiO ...
