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1.
STRUCTURE AND ELECTRICAL PROPERTIES OF MULTILAYER CERAMIC MATERIALS BASED ON MODIFIED POTASSIUM POLYTITANATES
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(Not-set)
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Some ceramic materials formed by sintering layered green bodies formed the compacted powders of the basic potassium polytitanate and this one modified with Mn compound are produced and investigated. Using ...
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2.
GLASS-CERAMIC FERROELECTRIC COMPOSITE MATERIAL BASED ON LOW-ALKALI ALUMINOBOROSILICATE GLASS AND BaTiO3
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(Not-set)
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... and an amorphous phase, as well as, under certain heat treatment conditions, products of glass crystallization (SiO2 – quartz and tridymite) and its interaction with the ferroelectric filler (Ba2TiSi2O8 ...
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3.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 2. SYNTHESIS OF FILM AND ROD STRUCTURES
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(Not-set)
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In the present study, we review current progress in sol-gel techniques for synthesis of ferroelectric powders, thin films and rods in lead zirconate-titanate system, as well as methods for obtaining controlled ...
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4.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 1. POWDERS SYNTHESIS
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(Not-set)
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In the present study, we presented a review progress in sol-gel method for the synthesis of powders of ferroelectric ceramics of the PbTiO3–PbZrO3 system, based on the controlled hydrolysis of mixtures ...
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5.
ASPECTS OF OBTAINING HOMOGENEOUS DENSE CERAMICS FROM NON-SCARCE RAW MATERIALS
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(Not-set)
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The combined effect of the microwave field and the content of reinforcing medium-dispersed silicon carbide particles on the density of a ceramic material based on montmorillonite containing clay of the ...
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6.
Crystal Structure, Micromorphology, Dielectric Properties, and Ferroelectric Properties of BZT Ceramic
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(Not-set)
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BaTiO3 ceramics are common components of capacitors, sensors, and actuators. Recent research has focused on improving the dielectric properties of BaTiO3 by using Zr ions for B-site substitution. Additional ...
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7.
Studies in polyfunctional composite silicate materials prosessing. Education and training for construction matrials industry
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(Science for glass and ceramic production)
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To the 110th anniversary of the South Russian State Polytechnic University (NPI) named after M.I. Platova. The history of education, the types of activities of the department? General chemistry and technology ...
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8.
Lead titanate batch composition influence on thermal expansion coefficience of low-melting glass materials for corundum leak-tight low-temperature soldering
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(At the enterprises and institutes)
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The influence of the granulometric parameters of crystalline lead titanate on the thermal expansion coefficient of soldering glass compositions used for low-temperature vacuum-tight soldering of corundum ...
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9.
Process optimization in manufacturing procedure of high-quality oxide functional materials
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(Science for ceramic production)
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On the example of a single optimization principle, the role of technological trends in the technologies used in improving the quality of the final product in the conditions of real ceramic production is ...
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10.
EFFECT OF CeO2 ON THE STRUCTURE AND PROPERTIES OF ALUMINA-ZIRCONIA CERAMICS PREPARED BY PRESSURELESS SINTERING AND HOT PRESSING
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(Not-set)
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The influence of ceria (CeO2: 0…3,56 wt. %) and sintering method (pressureless sintering in air, hot pressing in Ar) on the phase composition, microstructure, and properties of alumina-zirconia ceramics ...
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11.
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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12.
ELECTRIC POLARIZATION AND MAGNETIC PROPERTIES OF ZINC-TELLURITE GLASSES ACTIVATED BY NANOPARTICLES OF MAGNETITE AND BARIUM TITANATE
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(Not-set)
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Samples of zinc-tellurite glasses, activated by magnetite and barium titanate nanoparticles, were synthesized by melt-quenching method. Functional properties of the glasses were experimentally investigated ...
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13.
GLASS FORMATION AND PHASE TRANSFORMATIONS IN THE TeO2–ZnO–MoO3 SYSTEM
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(Not-set)
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The glass-forming region in the ternary system TeO2–ZnO–MoO3 was investigated at two melt cooling rates. The achieved molybdenum trioxide content in the glass reached up to 80 mol. % with varying TeO? ...
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14.
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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Bismuth-containing chromates BixCrO1.5x+3 with a variable molar ratio of 1 ? n(Bi)/n(Cr) ? 38 were synthesized using
a ceramic method from Bi (III) and Cr (III) oxides. Depending on the n(Bi)/n(Cr) ratio, ...
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15.
LINEAR AND NONLINEAR DIELECTRIC PROPERTIES OF CERAMICS OBTAINED FROM BARIUM TITANATE NANOPOWDER
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(Not-set)
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The results of a study of the dielectric properties and harmonic coefficient for barium titanate ceramics obtained from
a powder with a particle size of 50 nm at different sintering temperatures are presented. ...
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16.
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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17.
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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18.
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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19.
MIDDLE RANGE ORDER IN GLASSES OF La2O3–Nb2O5–B2O3 AND BaO–Nb2O5–P2O5 SYSTEMS ACCORDING TO X-RAY TOTAL SCATTERING
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(Not-set)
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We have obtained the X-ray total scattering patterns at wavelength 0.20735 ? and corresponding to them radial distribution functions (RDF) of electron density for glasses in the La2O3–Nb2O5–B2O3 and BaO–Nb2O5–P2O5 ...
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20.
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 ...
