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The interaction of the components in the Gd-Mn-Sn ternary system was studied using the methods of X-ray and microstructure analyses, in the whole concentration range. The phase diagrams of the Gd-Mn-Sn system were constr...

The interaction of the components in the Y–Dy–Ge ternary system was investigated using the methods of X-ray phase analysis, microstructure and energy dispersive X-ray spectroscopy in the whole concentration range at ...

Energy dispersive x-ray spectroscopy of lowtemperature b¢-Ag<sub>8</sub>SnSe<sub>6</sub> crystalcarried out. Energy dispersive spectrum shows only peaks related to Ag<sub>8</sub>SnSe&...

Nanosized CuFe2O4 ferrite was synthesized through the sol-gel self-combustion technique, using iron and copper nitrates with citric acid as fuel. The synthesized ferrite was subsequently analyzed using X-ray diffraction ...

We present DC conductivity measurements of newly synthesised and thermally annealed (As2S3)1-x (Bi2S3)x (0.08 ≤ x ≤ 0.14) glasses. X-ray diffraction measurements show that as-prepared As2S3)1-x(Bi2S3)x glasses we...

In the equiatomic approximation, the dependence of the lattice FCC parameter and the Debye temperature from the atomic fate x of the doping element, which is alternately represented by all elements of a multicomponent so...

This paper analyzes performance of bipolar transistors based on AlGaAs/GaAs heterostructures (HBT). Use of heterojunction as emitter junction allows radical improvement of its performance. Numerical simulation of HBT in ...

Complex impedances of sintered polycrystalline (х = 0.0, 0.1, 0.3, 0.6, 0.8, 1.0) ferrite in the frequency range of 0.01 Hz to 100 kHz were measured at several temperatu...

A new comprehensive theory for the field emission from the nanostructured semiconducting SiC was built with allowance for specially worked out analytical model of the field enhancement coefficient for the case of compara...

The article discusses the preparation of epitaxial layers and GaN crystals, as well as the results of studies of their optical and luminescent properties. The parameters of the band structure of the resulting hexagonal m...

In this analysis, A green synthesis method utilizing a plant extract derived from Rumex nepalensis (spreng) was employed to synthesize silver nanoparticles. The synthesized nanoparticles were thoroughly characterized for...

The paper presents the results of studies of single-phase boride layer formation and solid-gas siliconization on carbon structural steel. The influence of powder grain size and composition of the saturating mixture on th...

Research of the influence of cement dust in zone of PJSC “Ivano-Frankivskcement” on the ants grouping was conducted. In this exploration was noticed that at the anthropogenic load disappears ants of the genus Formica...

Interaction between the components in the Gd–Mn–Ge ternary system was studied at 1070 K over the whole concentration range using scanning electron microscopy, energy dispersive X-ray microanalysis and X-ray diffracto...

History does not have so many knights of pedagogy, such Teachers whom thousands of students are grateful to, whose names are carved on the tables of human memory. Yanush Korchak and Oleksandr Zaharenko are among them, th...

This research aims to develop polyurethane foam using recycled PET (Polyethylene Terephthalate) and HDPE (High-Density Polyethylene) plastic bottles as substitutes for polyol. Waste PET bottles were recycled through a gl...

Interaction between the components in the Ho-Fe-Sn ternary system was studied using X-ray diffractometry, metallography and electron microprobe analysis. Isothermal section of the phase diagram was constructed at 670 K o...

In this work, the Perovskite powders LaFe0.5Cr0.5O3 with a space group of P m - 3 m was obtained by the sol-gel method. The nanoscale powders of LaFe0.5Cr0.5O3 have been tested as a cathode material for electrochemical s...

The magnetoresistance of GaPxAs1-x (x = 0…0.45) whiskers with doping concentration of silicon in the range from the deep dielectric side of metal-insulated transition (~1017 сm-3) to its critical concentration (Nc ~ 5...

This review provides a comprehensive analysis of the current state, progress, and challenges of thin-film solar cells based on Cu(In,Ga)Se₂ (CIGS) and Cu₂ZnSn(S,Se)₄ (CZTS(Se)) absorber materials. The study highlig...

Ultrafine NiFe2O4 (T0) and NiFe2O4 / rGO composites have been synthesized by solution combustion method. The presence of rGO in the composite (33 wt.% (T1) or 66 wt.% (T2)) causes a decrease in the average particle siz...

Investigation on the manufacturing of multi-walled carbon nanotubes (MWNTs) by solvothermal and hydrothermal procedure and the electrochemical behavior of these nanostructured electrode materials for hydrogen storage has...

The phase composition and morphology of boron-containing TiO2 nanoparticles obtained by the sol-gel method were investigated. The solution of titanium aqua complex [Ti (OH2)6]3+‧3Cl- was used as a precursor. Borate aci...