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1.
Structure and solidification specificity of alumina-containing lanthanum-borogermanate glass
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(Science for glass production)
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... surface crystallization of the ferroelectric LaBGeO 5 is suppressed and the proportion of borate and lanthanum germanate increases. The character of glass crystallization correlates with IR spectroscopy ...
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2.
Studies in glass formation and properties in lanthanum-alumo-borosilicate system with high lanthanum oxide content
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(Science for glass production)
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The possibility of glass formation in the four-component system La 2 O 3 -Al 2 O 3 -B 2 < / sub> O 3 -SiO 2 with a molar content of La 2 O 3 27 & # 37 ;. The ratios of the components at ...
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3.
Early-stage lanthanum-boron-germanate glass crystallisation with femtosecond pulse laser
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(Science for glass production)
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The regions in the volume of lanthanum-oborogermanate glass, modified by a femtosecond laser beam, have been investigated by optical microscopy and confocal Raman spectroscopy. The data obtained show that, ...
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4.
Features of lanthanum boron-germanate glass crystallisation by femtosecond laser beam
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(Science for glass production)
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A method for the nucleation of a crystal seed is proposed, which consists in the action of a stationary laser beam with an increasing pulse energy, which makes it possible to significantly reduce and stabilize ...
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5.
The structure of lanthanum-boron-germanate glass of steelwellite composition from the data of vibration spectroscopy
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(Science for glass production)
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By means of dielectric IR spectroscopy and Raman spectroscopy, the presence in the structure of lanthanum borogermanate (LBG) glass of three-coordinated boron atoms, which are absent in the LaBGeO 5 ...
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6.
The effect of sandwich texture on electrophysical properties of lanthanum-boron-germanate based glass-ceramics
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(Science for glass production)
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It has been established by X-ray diffraction and electron microscopy that in glasses of the La 2 O 3 - B 2 O 3 - GeO 2 a film texture of lanthanum germanate La 2 Ge 2 O < sub> 7 with a thickness ...
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7.
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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8.
CHARACTERISTICS OF GLASSES IN PRODUCTS OF EXPERIMENTAL MODELING OF IMPACT MELTS
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(Not-set)
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The transformation of substances under extremely high pressures and temperatures is an actual direction both in the field of solid state physics and materials science, and for natural objects. Among the ...
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9.
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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10.
Investigation of Structure and Properties of Model Glass System La2O3–MnOm–B2O3 (M = Nb, Ta, Ti, Zr)
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(Not-set)
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The results of synthesis of lanthanum borate glasses modified with highly polarizable cations (Nb, Ti, Zr, Ta) are described. Their crystallization properties and structural features are studied by IR ...
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11.
Laser Writing of Crystalline Patterns in Lithium Niobium Germanate Glasses
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(Not-set)
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The possibility of spatially selective crystallization of lithium-niobium germanate glasses with compositions (molar content, & # 37;) 25Li 2 O & middot; 30Nb 2 O 5 & middot; 45GeO has been demonstrated ...
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12.
Local crystallysation in barium titanosilicate glasses induced with a femtosecond laser.
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(Science for glass production)
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The local crystallization of barium-titanosilicate glass under the action of a femtosecond laser beam is investigated. The effect of the laser beam scanning speed and laser pulse energy on the morphology ...
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13.
The youth knows - the age can: the 80th anniversary of glass and glass-ceramics chemical technology department
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(At the enterprises and institutes)
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14.
Local crystallization of glass by copper vapour laser
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(At the enterprises and institutes)
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A technique is proposed for the formation by a laser beam of nanostructured waveguides with broadband luminescence in the near-IR region with a maximum at 1300 - 1450 nm, in glass with the composition ...
