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1.
Determination of sodium borosilicate bands in IR spectrum of multi-component batch
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(Science for glass production)
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... found that some of the bands of the five-component mixture are indistinguishable in their position in the IR spectrum and intensity and are unsuitable for analysis. The bands at 653, 1164, 3300, and 3729 ...
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2.
Calculation-graphic analysis of IR-spectrum of the glass-forming batch containing sodium borate and silicate, boric and silicic acids
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(Science for glass production)
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... carried out. It was found that some bands, called critical, coincide or are closely located in the spectrum. Among them, the bands at 947 - 959, 1004 - 1005, 1079 - 1086, 1195 - 1200, 1450 - 1453, and ...
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3.
MODIFIED AlF3 AND LiF OXYFLUORIDE LITHIUM-SILICATE SCINTILLATION GLASS FOR NEUTRON DETECTION
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(Not-set)
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... of glasses were studied. It has been shown that the modification of glass by 2 mol. % aluminum fluoride does not lead to crystallization. Glasses exhibit luminescence in the UV region of the spectrum when ...
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4.
TECHNOLOGY OF QUARTZ GLASS PRODUCTION FROM NATURAL AND SYNTHETIC RAW MATERIALS
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(Not-set)
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When comparing the optical characteristics of the obtained glasses in the UV region of the spectrum, it was shown that the glasses welded from KFK have greater transparency and higher transmission in the ...
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5.
OPTICAL PROPERTIES OF HIGH PURITY SYNTHETIC QUARTZ GLASS AFTER HYDROGENATION
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(Not-set)
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This paper presents the results of annealing synthetic quartz glass of high purity at a temperature of 250 ?C and an elevated pressure of 7 MPa in an atmosphere of molecular hydrogen. Annealing under these ...
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6.
INTERNATIONAL EXHIBITION “THE WORLD OF GLASS – 2025”
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(Not-set)
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The article briefly provides basic information about the 26th International Exhibition “World of Glass” held in Moscow, which was directly attended by more 200 companies from 10 countries. New technologies ...
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7.
MORPHOLOGY AND OPTICAL PROPERTIES OF AMORPHOUS THIN FILMS (InSe)x(GaSe)100–x
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(Not-set)
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Phase and elemental analysis were performed for amorphous nanosized thin films of (InSe)20(GaSe)80 and (InSe)50(GaSe)50 compositions, and surface morphology studies were conducted. Optical transmission ...
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8.
LOCAL ATOMIC STRUCTURE OF NEODYMIUM IONS IN ALUMOBORATE AND ZINCPHOSPHATE GLASSES DETERMINED BY EXAFS
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(Not-set)
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... considered as an experimental standards. The usage of two absorption edges allowed to determine the spectral characteristics of multielectron excitations contributions to the spectrum and to increase the ...
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9.
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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10.
X-RAY PHOTOELECTRON SPECTROSCOPY OF Bi2Ni1/2Co1/2Ta2O9 ± ? OXIDE CERAMICS
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(Not-set)
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... was characterized by photoelectron spectroscopy (XPS) and NEXAFS.
A characteristic shift of the Ta4f spectrum toward lower energies by 0.8 eV is observed for pyrochlore, due to which the effective charge ...
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11.
BENTONITE AS THE BASIS OF A GEOPOLYMER BINDER
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(Not-set)
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... illite, hematite. Thermal analysis curves and the infrared spectrum of bentonite were analyzed. The specific surface area was 58 ± 6 m2/g (BET). On the basis of this bentonite and orthophosphoric acid ...
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12.
GLASS-LIKE CARBON FROM SUPERCRITICAL FLUID IN THE C–O–H SYSTEM AT TEMPERATURE 800 ?C AND PRESSURE 500…1000 ATM
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(Not-set)
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The paper presents the results of experimental modeling of glass-like carbon synthesis from high pressure supercritical fluid in the C–O–H system at temperature 800 °C and pressure 500…1000 atm. A full ...
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13.
OXIDATION OF Cr (III) TO Cr (VI) IN THE SYNTHESIS OF BISMUTH-CHROMIUM OXIDE CERAMICS
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(Not-set)
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... the main details
of the spectrum with the K2CrO4 spectrum and indicate the chromium content in the oxide ceramics in the form
of tetrahedral CrO42– ions. According to scanning microscopy data, the samples ...
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14.
PRODUCTION OF GLASS-LIKE CARBON BY HIGH-ENERGY LASER TREATMENT ON A COAL TARGET
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(Not-set)
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Preliminary results of experimental modeling of impact process on coal substance by short-pulse laser radiation are presented. During the experiments extremely high temperatures and pressures have been ...
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15.
LOCAL ELECTRIC FIELD ENHANCEMENT IN THE VICINITY OF Ag NANOPARTICLES AND THEIR AGGLOMERATES IN ZINC-PHOSPHATE AND SILICATE GLASS
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(Not-set)
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Based on calculations, spatial distribution of the local electric field (LEF) for various structural configurations of silver nanoparticles (NPs) in silicate and zinc-phosphate glasses was studied. The ...
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16.
INFLUENCE OF CeO2 ON THE FORMATION OF PLASMONIC Au NANOPARTICLES IN GLASSES OF THE ZnO–MgO–Al2O3–SiO2 SYSTEM
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(Not-set)
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... region of the spectrum. We performed the computer simulation of the experimental optical absorption spectra, estimated the sizes of the formed nanoparticles and proposed the mechanism of the effect of ...
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17.
INTERNATIONAL EXHIBITION “THE WORLD OF GLASS – 2023”
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(Not-set)
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The article briefly provides basic information about the 24th International Exhibition “World of Glass” held in Moscow, which was directly attended by about 100 companies from 12 countries. New technologies ...
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18.
SYNTHESIS AND CHARACTERIZATION OF NEW PEROVSKITE-TYPE PbNaKNb2FeO9.5 CERAMIC
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(Not-set)
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Lead-containing perovskite of complex composition PbNaKNb2FeO9.5 (sp. gr. Pnma, a = 5.654 ± 0.003 ?, b = 7.977 ± 0.001 ?, c = 5.646 ± 0.003 ?) was synthesized for the first time by the solid-phase reaction ...
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19.
SUBSTRATES FOR THE SURFACE ENHANCED RAMAN SPECTROSCOPY BASED ON NANOPOROUS GLASS ACTIVATED WITH SILVER PARTICLES
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(Not-set)
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Substrates for the surface enhance Raman spectroscopy (SERS) are being actively developed with the aim of precise detecting of the low concentrations of organic molecules. However, the complexity and cost ...
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20.
Investigation of Different SiC-Whiskers Amount on the Properties of Spark Plasma Sintering Ceramic Composite Material
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(Not-set)
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The effect of the content of silicon carbide whiskers and the sintering temperature on the physicomechanical and thermophysical properties of samples of a ceramic composite material (CMC) of the SiC & ...
