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Article
Laser Formation and Influence of Laser Radiation on Basic Characteristics of Barcodes
An analysis of the advantages of laser marking is carried out in comparison with other methods of forming a given surface relief of structural materials, forming barcodes, and reading them. The necessary condi...
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Article
Development of a Method and Device for Determining the Excess of Sucrose Content in Honey
A mathematical model for determining the sucrose concentration in honey, based on the optical rotation of the plane of polarization in solutions, is described. The dependencies of the dispersion of the specifi...
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Article
On the Interaction of the Deformation and Photonic Self-Organizations in Condensed Media: Overview
The experimental data on the mass transfer in condensed media under the action of mechanical stress and light pressure are presented. In both cases, the observed formation of periodic structures is interpreted...
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Article
Improvement of Structure and Properties of Scintillation Composites by Centrifugation
Centrifugation of liquid composites from a solution of activated polystyrene and cesium sulfate nanoparticles makes it possible to obtain a uniform composite film, avoiding nanoparticle agglomeration, as well ...
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Article
Studying the spectrometric characteristics of an ionizing-radiation detector based on a LaBr3(Ce) scintillator and a silicon photomultiplier
The intrinsic background of a LaBr3(Ce) scintillator with a diameter of 5 mm and a height of 10 mm has been studied in comparison with LYSO and CeBr3 scintillators. It is shown that due to its high energy resolut...
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Article
Influence of nanoparticles of cesium sulfate and deformation on structure, vibration spectra, and luminescence of polystyrene
Significant changes in infrared absorption spectra of polystyrene upon the addition of cesium sulfate nanoparticles to it are observed, which is due to two variants of attachment of organic molecules to nanopa...
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Article
Deformation behavior features of composite of polystyrene with cesium sulfate filler during ultraviolet and X-ray irradiation
A noticeable increase in radiation resistance of polystyrene upon the addition of cesium sulfate particles is found. This is due to the fact that the fragments of polystyrene molecules fixed by filler particle...
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Article
Control of functional characteristics of biomorphous carbon matrices, SiC-Si-C composites, and SiC-C ceramics by prepressing wood
It is found that the prepressing of wood semiproducts intended for producing carbon and silicon carbide matrices by sequential exposure to pyrolysis and silicization with the targeted adjustment of the pressin...
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Article
Peculiarities of structure and properties of metal surfaces subjected to strain polishing
The influence of treatment by ball-type rolling on the structure and properties of polycrystalline copper and aluminum surfaces is analyzed. It is discovered that, depending on the speed of the linear motion o...
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Article
Features of structure and properties of biopolymer composites with inorganic nanoparticles
The morphology, atomic structure, and strength characteristics of composites of barium titanate and silicon dioxide nanoparticles with biopolymers (collagen, lignin, starch) were investigated. Both changes in ...
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Article
Studying the characteristics of the spectrometric detector based on a LaBr3:Ce crystal and a ФЭУ-184 photomultiplier tube
Results of investigations of the scintillation detector based on a LaBr3:Ce crystal and a ФЭУ-184 photomultiplier tube are presented. It is shown that, optimizing the ФЭУ-184 photomultiplier tube circuit by readi...
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Article
Spectroscopy of composite scintillators
The spectral and temporal characteristics of X-ray luminescence of composites consisting of microparticles of “heavy” components (oxides, fluorides, sulfates) and an organic polymer binder containing optically...
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Article
Pulsed X-ray luminescence of composites consisting of inorganic particles and organic phosphors
A fast luminescence component with a duration of ∼2 ns has been observed upon pulsed X-ray excitation of composites composed of microparticles of a heavy constituent (heavy-metal oxides and fluorides) and opti...
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Article
Physicochemical processes in a sonoplasma discharge
The experiments showed that the new form of electrical discharge that occurs in a liquid in an intense ultrasonic field above the cavitation threshold and exhibits volume glow throughout the space between elec...
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Article
Peculiarities of intrinsic background in LaBr3: Ce and CeBr3 scintillating crystals
The intrinsic background was measured in LaBr3:Ce and CeBr3 scintillating crystals grown at the Institute of Solid-State Physics of the Russian Academy of Sciences. The measurements were taken in the range of γ-r...
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Article
Scintillation fibers and nanoscintillators for improving the spatial, spectrometric, and time resolution of radiation detectors
Experimental examples demonstrate a significant improvement of the most important parameters (sensitivity; spatial, spectrometric, and time resolution; and radiation hardness) of radiation detectors with sensi...
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Article
Peculiarities of nanostructured silicon carbide films and coatings obtained by novel technique
A new method has been developed for obtaining various versions of nanostructured SiC films and coatings, whose structure can be altered in a controlled way for different applications. The films and coatings ob...
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Article
New shaped ceramics based on silicon carbide
New techniques have been developed for producing inexpensive shaped SiC ceramics with certain structure and porosity for a wide variety of applications. These techniques are based on the interaction of silicon...
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Article
Neutron detectors based on silicon photomultipliers
Neutron detectors comprising a new type of photosensors—silicon photomultipliers—coupled to a single-crystal LiI(Eu) scintillator and a 6LiF/ZnS(Ag) scintillation screen are described. These detectors are compact...
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Article
Optical phonon spectra of lutetium fluoride, oxyfluoride, and lutetium oxide nanoparticles
Nano-and microcrystalline LuF3 phases have been synthesized with particle sizes of 30 nm and 30 μm, respectively. Analysis of the IR reflection spectra measured at T = 300 K showed that the nanophase differs from...
