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Article
Structure, content, and properties of 64Zn+ ion hot-implanted and thermal-oxidated Si
The impurity cluster formation in 64Zn+ ion hot-implanted and subsequently thermal-oxidized Si substrates are studied. After implantation on sample surface and in sample near-surface layer, the metallic Zn cluste...
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Article
Super-Fast Line-Profile Variability in the Spectra of OBA Stars. II. A0 Star α2 CVn
Abstract—This study continues the investigation of the super-fast variability of line profiles in the spectra of stars of early spectral classes performed in 2017 and 2018. We investigated the variability of line...
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Article
Super-Fast Line-Profile Variability in the Spectra of OBA-Stars: B1-Star ρ Leo
This study continues our investigation of the super-fast variability of line profiles in the spectra of early-type stars. We have investigated the line-profile variability in spectra of OBA-stars with the SCOR...
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Article
XPS Study of Niobium and Niobium-Nitride Nanofilms
A new, XPS-based approach to quantitative and nondestructive determination of the chemical and phase layer composition of multicomponent multilayer films is proposed. It includes a new method for subtracting t...
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Article
Nanoparticle Formation in Zn+ and O+ Ion Sequentially Implanted SiO2 Film
The 64Zn+ and 16O+ ions were implanted in SiO2 film on Si substrate with next parameters: the implant dose was 5.0 × 1016 cm–2, for Zn+ ions the energy was 50 keV and for O+ ions the energy was 16 keV. Than the s...
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Article
Air-Oxidation of Nb Nano-Films
X-ray photoelectron spectroscopy (XPS) depth chemical and phase profiling of air-oxidized niobium nanofilms has been performed. It is found that oxide layer thicknesses depend on the initial thickness of the n...
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Article
Evolution of Phase Composition and Structure in Sapphire Implanted with 64Zn+ Ions and Heat-Treated in Oxygen
Single-crystal Al2O3 substrates are implanted with 64Zn+ ions using doses of 5 × 1016 cm–2 and an energy of 100 keV. The samples are annealed in oxygen with a stepwise increase in temperature from 400 to 1000°C. ...
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Article
Influence of annealing temperature and its atmosphere on the properties of zinc implanted silicon
The presented results characterize nanoparticle formation in n-Si(100) samples implanted with 50-keV 64Zn+ ions (the dose is 5 × 1016 cm‒2) at room temperature followed by heat treatment in an oxygen or nitrogen ...
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Article
Study of silicon doped with zinc ions and annealed in oxygen
The results of studies of the surface layer of silicon and the formation of precipitates in Czochralski n-Si (100) samples implanted with 64Zn+ ions with an energy of 50 keV and a dose of 5 × 1016 cm–2 at room te...
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Article
Investigating 64Zn+ ion-doped silicon under conditions of hot implantation
The results from visualizing the structure and identifying the composition of surface and the nearsurface layers of CZ n-Si (100) implanted by 64Zn+ ions with dose of 5 × 1016 cm–2 and energy of 50 keV under cond...
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Article
Visualization and identification of nanoparticles in si subjected to the successive implantation of 64Zn+ and 16O+ ions
Nanoparticles are visualized and identified in a near-surface Si layer subjected to the successive implantation of 64Zn+ and 16O+ ions. Scanning transmission electron microscopy coupled with energy-dispersive spe...
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Article
Study of the properties of a Si surface layer implanted with 64Zn+ and 16O+ ions during the formation of ZnO nanoparticles under thermal annealing
The cross section of a Si surface layer implanted with 64Zn+ and 16O+ ions is visualized via high-resolution transmission electron microscopy, and its evolution as a result of thermal annealing is investigated. T...
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Article
Analysis of depth profiles of hydrogen isotopes in structural materials via reflected electron spectroscopy
Methods for measuring the layer-by-layer profiles of hydrogen in structural materials based on interpretation of the energy spectra of electrons reflected within a given spatial angle are discussed. Elasticall...
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Article
Involvement of the growth hormone and insulin in gastric secretion regulation in wrestlers during sport and post-sport ontogeny
The roles of gastrin, somatotropic hormone, insulin, and glucose in the formation of long-term and acute adaptation of gastric secretion in wrestlers during sport and post-sport ontogeny are discussed. The bas...
