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Article
Controlling the Polarization of Light in InGaAs/GaAs/δ-Mn Ferromagnetic Diode Structures
A weak magnetic field is used to study the effect voltage has on the circular polarization of light in light-emitting diode structures with InGaAs/GaAs/δ-Mn quantum wells and remote δ layers of Mn magnetic imp...
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Article
Circularly Polarized Electroluminescence of InGaAs/GaAs/CoPt Spin Light Emitting Diodes Placed in a Strong and Weak Magnetic Field
A comparative study of the circular polarization degree dependences on external magnetic field was carried out in spin light-emitting diodes including semiconductor InGaAs/GaAs heterostructure and a magnetic C...
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Article
Application of Optimization Algorithms for Solving Marine Seismic Survey Planning Problems with Bottom Stations in the Arctic Shelf
An algorithm for optimizing the trajectories and movement sequence of a fleet of marine seismic survey vessels in solving the problem of marine seismic surveys using bottom stations is presented. The algorithm...
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Article
Expanding the Analytical Capabilities of Scanning Electron Microscopy in the Detection of Backscattered Electrons
New possibilities for the mode of detecting backscattered electrons in a scanning electron microscope (SEM) are presented. The technique for determining the chemical composition of the probed area of the sampl...
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Article
Detonation Application of a Hard Composite Coating to Cutters for Centrifugal Beet Shredders
The durability of the cutting edge in a centrifugal beet shredder affects the quality of the beet chips and the overall productivity. Its performance may be enhanced by improving the wear resistance on the bas...
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Article
Detonation Technology in Producing Metal–Ceramic Powder Targets for Magnetron Sputtering
An innovative approach is proposed to the production of plane and cylindrical composite metal–ceramic targets (cathodes) for magnetron sputtering: the use of high-frequency multichamber detonating accelerators...
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Article
Luminescence Kinetics of Eu3+ Ions in (Lu1 – xEux)2(WO4)3 Tungstates and (Lu1 – xEux)2(MoO4)3 Molybdates
The luminescence kinetics of electron transition 5D0 → 7F2 (~613 nm) of Eu3+ ions is studied in (Lu1 − xEux)2(WO4)3 tungstates and (Lu1 − xEux)2(MoO4)3 molybdates. Luminescence decay times are very close in both ...
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Article
Proximity Effect in InGaAs/GaAs/CoPt Ferromagnetic Structures
The ferromagnetic influence of a thin (~8 nm) surface CoPt layer on the circular polarization of the InGaAs/GaAs quantum well photoluminescence is observed in the structure of GaAs/InGaAs/GaAs/Al2O3(1 nm)/CoPt wi...
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Chapter and Conference Paper
Characterization of a Polymer Composite with a Hybrid Filler
Polymer composites with radiation protection fillers play an important role in the space and nuclear industry. Along with radiation resistance, the multifunctionality of the polymer composite is also required ...
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Chapter and Conference Paper
Formation of Copper Coating on the Surface of Titanium Hydride Using Quadruple Magnetron Sputtering
Copper coating on the surface of titanium hydride shot was successfully obtained by quadrupole magnetron sputtering. The quadrupole magnetron system includes 4 rectangular magnetrons with an unbalanced closed ...
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Chapter and Conference Paper
Mechanical, Tribological, and Anticorrosion Properties of the Coating Produced by Magnetron Sputtering of a Ni–Cr–B4C Composite Target
In surface engineering technology, coatings have attracted widespread attention due to their ability to impart excellent tribological and anti-corrosion properties to the surface of materials. However, to impr...
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Article
Open AccessOptical Detection of the Cyclotron Resonance in Inhomogeneous Ferromagnetic Structures InGaAs/GaAs/δ-〈Mn〉
Structures consisting of an InGaAs/GaAs quantum well and a ferromagnetic 〈Mn〉 δ layer separated by a narrow 3–10 nm spacer have been studied using the optically detected cyclotron resonance (ODCR). Despite str...
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Article
Luminescence Properties of Nanostructured Y2O3–Eu Phosphor
Spontaneous luminescence of Eu ions is studied in Y2O3:Eu (5 at %) nanoparticles obtained via low temperature thermolysis from an amorphous precursor. Depending on details of the synthesis procedure, the nanopart...
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Article
Stimulated Luminescence of Europium Ions in Highly Scattering Lu2O3:Eu Nanomaterials
Strong pulsed nonresonant photoexcitation is used to study the spectral and kinetic characteristics of the stimulated luminescence of red intracenter electronic transitions of the Eu3+ ion (580–650 nm) in densely...
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Article
Differences in the Kinetic Characteristics of Charging Ferroelectrics and Dielectrics upon Ion Irradiation
Comparative studies are performed on the fundamental characteristics of charging classical dielectrics (PMMA) and ferroelectrics (LiNbO3) upon ion irradiation. Samples in experiments are irradiated with Ar+ ions ...
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Article
Optimization of Turbo Code Encoding/Decoding Processes for Development of 5G Mobile Communication Systems
The issues of increasing the operation efficiency of mobile communication systems of next generations using adaptive noiseless coding are considered. The optimization method of the turbo code encoder and decod...
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Article
Three-Dimensional Scanning Electron Microscopy of Surface Topography with Consideration of the Effect of the Response Function of the Detector System
An experimental system for detection of back-scattered electrons (BSE) in the scanning electron microscope (SEM) for three-dimensional (3D) visualization of the microstructure topography is described. The 3D s...
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Chapter and Conference Paper
Magnetron Sputtering as a Method of Forming a Protective Coating on Titanium Hydride Shot
In the construction practice of nuclear facilities, medical institutions and other special structures, special construction concretes are used. Basalt, limonite, serpentinite, chromite, hematite, barite and me...
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Article
Artificial Ceramic Binders based on Silicon and Silicon Carbide for Silicon-Carbide Refractories in a Nitride Matrix
The main rheological and processing properties of individual and mixed binders based on SiC and Si are studied. Phase and chemical compositions, main physicomechanical characteristics, and microstructures of s...
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Article
Angular and Energy Characteristics of Backscattered Electrons and Allowing for Them in the Three-Dimensional Visualization of Microstructures in Scanning Electron Microscopy
The main angular characteristics and resulting semi-empirical equations for back-scattered electrons of medium energy (1–30 kV) are calculated. The results from an analysis are used to develop an optimized det...
