| Nashriyot | Ўзбекистон Республикаси Фанлар академияси |
|---|---|
| Shahar | Toshkent |
| ISSN | 1025-8817 |
| e-ISSN | 2181-077X |
| Tashkil etilgan | 1957 |
| Nashr davriyligi | annual international symposium on ph |
| Maqolalar soni | 430 |
| OAK holati | Ro‘yxatda |
The work is devoted to the development of techniques for determining the radiochemical purity(the content of the connected target radionuclide) and chemical purity (the content of nonradioactiveimpurity elements Cu, Fe…
The anisotropy of acoustic attenuation at a frequency of 30 MHz and the temperature dependenceof the effective elastic constants in pure and neodymium-doped yttrium aluminum garnetcrystals in the temperature range of…
In this work, the vibrational spectra and nonlinear optical (NLO) properties of paracetamolwere analyzed using experimental and computational methods. The experimental FTIR andRaman spectra of paracetamol were compared…
The frequency shift Δν of the Mandelstam-Brillouin doublet in the spectrum of Rayleigh scatteringof light in aqueous solutions of 4-methylpyridine was studied experimentally. It wasfound that the experimentally observed…
This paper presents experimental results of studying the structural and electrophysical propertiesof n-GaAs−p-(ZnSe)1-x-y(Ge2)x(GaAs1-δBiδ)y heterostructure with different nanoinclusionsobtained by liquid-phase epitaxy…
Thermally stable low-resistance ohmic contacts are required for the creation of high-speedGaAs integrated circuits. In this work, annealing of MoGeW contact structures in an InAs atmosphereare studied. High thermal…
The effects of thermal and laser annealing on the structure and composition of Na+-implantedGe(111) were investigated using Auger electron spectroscopy and secondary ion mass spectrometry.Ion implantation was performed…
By the secondary ion mass spectrometry (SIMS) method, the distribution of boron impuritieswas examined in multilayer thin films of polycrystalline silicon doped with boron and nitrogen,deposited on SiO2 substrate, both…
A comprehensive analysis of the composition of a multicomponent alloy, primarily consistingof the elements Si, Na, Cr, Ni, Mg, Zn, Al, and Zr, synthesized in an aqueous NaCl electrolytesolution, was conducted. The study…
The composition, densities of state of electrons in the valence band, and parameters of energybands of ultrathin CdMgTe layers created on the surface of single-crystal CdTe(111) will bestudied by implantation with Mg+…
This article presents a new method for obtaining C60 fullerene-based nanostructures with variousmorphologies. It demonstrates the possibility of controlling the shape and structure of thesynthesized nanomaterial by…
In this study, the linear and nonlinear optical properties of a cubic InAs quantum dot embeddedwithin an InP/InAs0.25P0.75/InP heterostructured nanowire were theoretically investigated.Considering quantum confinement…
This study investigates the empirical relationship between the concentration parameter (λ),which characterizes the central stellar density gradient of globular clusters (GCs), and thephysical properties of black hole…
Academician M.Kh.Ashurov is a famous scientist in field of solid state physics, he owns a number of experimental and theoretical work on radiation physics, laser spectroscopy crystals, the synthesis of single crystals…
The criteria are established that identify the sets of electro-physical and design parameters for diode temperature sensors (DTSs) that achieve either the maximum extent of the temperature response curve (TRC) or the…
plantation of In+ ions with energy E0 = 1 keV at different doses and subsequent annealing on the composition, electronic and crystal structure of the GaP(111) surface were studied. It is shown that nanocrystalline…
Nanocrystalline hidden layers of CsSi2 and NiSi2 at different depths of the near-surface region of Si were obtained by ion implantation method and subsequent annealing. Thickness and depth of formation, crystal…
High-quality crystalline films of Sb2(SxSe1-x)3 solid solutions were obtained by chemical molecular beam epitaxy (CMBE) and vacuum thermal evaporation methods from powders of the binary compounds Sb2S3 and Sb2Se3 on…
We studied the impact of laser rod surface roughness on pumping characteristics in the context of solar lasers. We propose a new approach for modeling light reflectance and transmission from rough surfaces using normal…
Алюминиевые двухионные аккумуляторы представляют собой передовую технологию хранения энергии, характеризующуюся высокой плотностью энергии и использованием доступных, экономически выгодных материалов. В этом…
The dependence of the acousto-optical properties of calcium molybdate crystals on the direction of the wave vector of transverse acoustic waves in the (001) plane was studied by the Bragg light diffraction method. It is…
В работе исследуется процесс роста оксидных слоев на кремниевых подложках в контролируемых температурных условиях. Кремниевые пластины окисляли в печи в течение двух часов при температуре от 300°С до 1100°С. Минимальные…
Представлены численные и аналитические результаты исследования паулиевской восприимчивости двумерного электронного газа в зависимости от концентрации. Анализируются зависимости спиновой восприимчивости от ширины…
The interaction between light and surface plasmon polaritons is of great interest in the fundamental physics of light-matter interaction. In this work, the reflection efficiency of magnesium-doped aluminum films with…
The motion of a spinless particle in a potential field has been considered. Then we have derived the wave function and energy spectrum for the particle. It has been obtained the gravitational potential energy.
In the paper, we perform a statistical analysis of a catalog of lopsided disk-like galaxies and provide empirical relationships between their physical characteristics. We performed a statistical analysis of 2857…
In this paper, we analyze the observed data of the apparent surface density of 81 globular clusters (GCs) provided by Gaia DR2. The problems of analyzing these observations and their differences from similar data…
The variability of the star TIC 284443963 as a Delta Scuti-type variable has been confirmed and characterized. Aperture photometry has been performed and the star’s light curve has been constructed using TESS mission…