Отображаемые элементы 221-240 из 559

    • The use of art technologies in the development of the professional position of future educational psychologists 

      Kakabayeva, Dinara; Abibulayeva, Aizhana; Stukalenko, Nina; Zhussupbekova, Gulsara; Nakeshev, Zhaslan (Scientific Herald of Uzhhorod University Series “Physics”, 2024)
      Relevance. The relevance of this topic stems from the fact that the Republic of Kazakhstan's modern society is experiencing rapid sociocultural development, and that the implementation of new educational practices has generated radically altered demands for teacher preparation. In order to professionally contribute to the execution of the modern educational process in the ...
      2026-03-12
    • Effect of irradiation temperature on the mobility of structural and vacancy defects in the damaged layer of Li2ZrO3 ceramics 

      Abyshev, Bauyrzhan K.; Giniyatova, Sholpan G.; Kozlovskiy, Artem L. (Optical Materials: X, 2024)
      The paper presents the assessment results of the irradiation temperature effect on the change in the type of structural defects caused by irradiation with helium ions in the near-surface layer of Li2ZrO3 ceramics, as well as determining the nature of structural damage using the electron paramagnetic resonance method in the case of irradiation fluence variation. During ...
      2026-03-12
    • The effect of residual mechanical stresses and vacancy defects on the diffusion expansion of the damaged layer during irradiation of BeO ceramics 

      Ryskulov, Azamat E.; Ivanov, Igor A.; Kozlovskiy, Artem L.; Konuhova, Marina (Optical Materials: X, 2024)
      The paper presents the results of a study on the application of Raman and UV spectroscopy methods to determine the structural damage kinetics in the near-surface layer of BeO ceramics caused by high-dose irradiation with He2+ ions. Interest in this type of ceramics is due to the combination of its structural and thermophysical pa rameters, making these ceramics one of the ...
      2026-03-12
    • Impact of dicarboxystilbene impurities on the properties of swift heavy ion latent tracks in PET films 

      Tuleushev, Adil Z.; Harrison, Fiona E.; Kozlovskiy, Artem L.; Zdorovets, Maxim V. (Optical Materials: X, 2024)
      We present a new hypothesis and supporting experimental evidence about the essential role played by small impurities of dicarboxystilbene in the process of UV treatment of PET films irradiated with swift heavy ions (SHI). This treatment both forms highly selective membranes with permeability values comparable to natural ones (the track-UV technique) and sharply accelerates ...
      2026-03-12
    • Study of the applicability of ACdSe (A – Co, Ni) thin films as catalysts for heavy metal capture 

      Omarova, Aliya Zh; Kozlovskiy, Artem L.; Moldabayeva, Gulnaz Zh (Optical Materials: X, 2024)
      Expansion of the possibilities of using photoactive thin films with a unique combination of optical and morphological characteristics as a basis for creation of highly efficient catalysts for the aqueous media purifi cation is one of the promising research areas in modern materials science, which has both fundamental signif icance and potential for practical application. This ...
      2026-03-12
    • Urbach Rule in the Red-Shifted Absorption Edge of PET Films Irradiated with Swift Heavy Ions 

      Tuleushev, Adil Z.; Harrison, Fiona E.; Kozlovskiy, Artem L.; Zdorovets, Maxim V. (Polymers, 2022)
      This paper presents a new analysis of the experimental transmission spectra of polyethylene terephthalate (PET) films before and after irradiation with swift heavy ions (SHI) films, as reported previously by the authors. It is shown that the absorption edge red shift for irradiated films contains two regions of exponential form, one of which is located in the UV region and the ...
      2025-01-08
    • Unveiling the Structural and Optical Properties of MgAl2O4 Single Crystals Irradiated by Swift Heavy Ions 

      Akilbekov, Abdirash; Kiryakov, Arseny; Dauletbekova, Alma; Aralbayeva, Gulnara; Akylbekova, Aiman; Ospanova, Zhulduz (Materials, 2024)
      A synthetic single crystal of magnesium-aluminate spinel was irradiated perpendicularly to the (111) plane with swift heavy xenon ions with an energy of 220 MeV. The modified layer was attested based on Raman scattering spectra recorded while focusing on the surface. A decrease in surface crystallinity was observed, reflected in the changes in fundamental optical characteristics such ...
      2025-01-08
    • Understanding the Impact of the Three-Dimensional Junction Thickness of Electrospun Bipolar Membranes on Electrochemical Performance 

      Al-Dhubhani, Emad; Post, Jan W.; Duisembiyev, Marat; Tedesco, Michele; Saakes, Michel (ACS Applied Polymer Materials, 2023)
      2025-01-08
    • TRAVELING WAVE SOLUTIONS OF TWO-DIMENSIONAL NONLINEAR SCHRODINGER EQUATION VIA SINE-COSINE METHOD 

      Shaikhova, G.N.; Kutum, B.B. (Eurasian Physical Technical Journal, 2020)
      In this work, an analytical study of the two-dimensional nonlinear Schrodinger equation is presented, namely, the applicability of the sine-cosine method to search for the exact solution as a traveling wave. The widely known nonlinear Schrödinger equation plays an important role in the study of the theory of nonlinear waves in various fields of physics and has a huge number ...
      2025-01-08
    • Transmission Electron Microscopy and Molecular Dynamic Study of Ion Tracks in Nanocrystalline Y2Ti2O7: Particle Size Effect on Track Formation Threshold 

      Ibrayeva, Anel; O’Connell, Jacques; Mutali, Alisher; Rymzhanov, Ruslan; Skuratov, Vladimir (Crystals, 2023)
      Ibrayeva, A.; O’Connell, J.; Mutali, A.; Rymzhanov, R.; Skuratov, V. Transmission Electron Microscopy and Molecular Dynamic Study of Ion Tracks in Nanocrystalline Y2Ti2O7: Particle Size Effect on Track Formation Threshold. Crystals 2023, 13, 1534. https://doi.org/10.3390/ cryst13111534
      2025-01-08
    • Total reaction cross sections of neutron-rich light nuclei measured by the COMBAS fragment-separator 

      Erdemchimeg, B.; Artukh, A.G.; Davaa, S.; Hue, B.M.; Isataev, T.; Klygin, S.A.; Kononenko, G.A.; Khuukhenkhuu, G.; Lukyanov, S.M.; Mikhailova, T.I.; Maslov, V.A.; Mendibaev, K.; Sereda, Yu.M.; Penionzhkevich, Yu.E.; Vorontzov, A.N. (Eurasian Journal of Physics and Functional Materials, 2019)
      2025-01-08
    • Overview of 4G, 5G radio spectrum spectrum in the world and Kazakhstan 

      Tolegenova, A S; Zhanys, A B; Nurkasymova, S N; Soboleva, L A (IOP Conference Series: Materials Science and Engineering, 2020)
      2025-01-08
    • TIME-RESOLVED LUMINESCENCE EXCITED WITH N2 LASER OF YAG:CE CERAMICS FORMED BY ELECTRON BEAM ASSISTED SYNTHESIS 

      Karipbayev, Zh.; Alpyssova, G.; Mussakhanov, D.; Lisitsyn, V.; Kukenova, A.; Tulegenova, A. (Eurasian Physical Technical Journal, 2020)
      In this paper, an attempt to synthesize the phosphor using powerful hard radiation fluxes. White light-emitting diodes (LEDs) are considered a good lighting devices due to their unsurpassed qualities, such as energy saving and long service life. The synthesized ceramics has the characteristic properties of YAG: Ce, YAGG: Ce phosphors. In total, 10 types of phosphors were ...
      2025-01-08
    • Time-of-flight fission fragment spectrometer of the MAVR facility 

      Aznabayev, D.; Lukyanov, S.M.; Zeinulla, Zh.; Issatayev, T.; Maslov, V.A.; Mendibayev, K.; Melnik, E.V.; Smirnov, V.I.; Stukalov, S.S.; Shakhov, A.V. (Eurasian Journal of Physics and Functional Materials, 2021)
      A time-of-flight system was created to register the reaction products and perform correlation measurements on a high-resolution magnetic analyzer (MAVR). The facility is located on the channel of the extracted beam of the U-400 cyclotron at the Laboratory of Nuclear Reactions JINR. The results of measuring the parameters of the time-of-flight spectrometer obtained on the basis ...
      2025-01-08
    • The study of the applicability of invar nanostructures for the reduction of p-nitrophenyl compounds 

      Borgekov, D.B.; Zdorovets, M.V.; Shlimas, D.I.; Kozlovskiy, A.L.; Khlebnikov, N.A.; Kaniukov, E.Yu. (Eurasian Journal of Physics and Functional Materials, 2020)
      The results of the study of the phase composition of iron-nickel nanostructures susceptible to electron irradiation on the catalytic reduction of p-nitrophenyl compounds are presented. In the course of the studies, it was found that the nanostructures irradiated with a dose of 250 kGy, which are characterized by the presence of two phases, with the domination of the FeNi phase, ...
      2025-01-08
    • The Study of the Applicability of Electron Irradiation for FeNi Microtubes Modification 

      Borgekov, Daryn B.; Zdorovets, Maxim V.; Shlimas, Dmitriy I.; Kozlovskiy, Artem L.; Kadyrzhanov, Kayrat K. (Nanomaterials, 2020)
      2025-01-08
    • The Structural and Phase State of the TiAl System Alloyed with Rare-Earth Metals of the Controlled Composition Synthesized by the “Hydride Technology” 

      Belgibayeva, Akbayan; Abzaev, Yuri; Karakchieva, Natalia; Erkasov, Rakhmetulla; Sachkov, Victor; Kurzina, Irina (Metals, 2020)
      2025-01-08
    • Thermoluminescent and Dosimetric Properties of Zirconium Dioxide Ceramics Irradiated with High Doses of Pulsed Electron Beam 

      Nikiforov, Sergey; Dauletbekova, Alma; Gerasimov, Maksim; Kasatkina, Yana; Denisova, Olga; Lisitsyn, Viktor; Golkovski, Mikhail; Akylbekova, Aiman; Bazarbek, Assyl-Dastan; Akilbekov, Abdirash; Popov, Anatoli I. (Crystals, 2023)
      Nikiforov, S.; Dauletbekova, A.; Gerasimov, M.; Kasatkina, Y.; Denisova, O.; Lisitsyn, V.; Golkovski, M.; Akylbekova, A.; Bazarbek, A.-D.; Akilbekov, A.; et al. Thermoluminescent and Dosimetric Properties of Zirconium Dioxide Ceramics Irradiated with High Doses of Pulsed Electron Beam. Crystals 2023, 13, 1585. https://doi.org/ 10.3390/cryst13111585
      2025-01-08
    • Thermal annealing of radiation damages produced by swift 14N and 16O ions in LiF crystals 

      Sorokin, M V; Malikova, Zh B; Dauletbekova, A K; Baubekova, G; Aralbayeva, G M; Akilbekov, A T (Materials Research Express, 2024)
      Annealing of color centers was studied in lithium fluoride crystals, irradiated with 23-MeV nitrogen and 28-MeV oxygen ions. Basing on the optical absorption spectroscopy and reaction-rate modelling, a new interpretation of the annealing kinetics at the practically important temperatures below 500 K is suggested. Proposed model explains simultaneous decrease of the F and ...
      2025-01-08
    • Thermal conductivity of new nanocomposite superionic semiconductors K0.01Cu1.96S, K0.02Cu1.95S, K0.03Cu1.94S, K0.04Cu1.93S, K0.05Cu1.94S 

      Kubenova, M. M.; Balapanov, M. Kh.; Ishembetov, R. Kh.; Kuterbekov, K. A.; Almukhametov, R. F.; Bekmyrza, K. Zh.; Kabyshev, A. M.; Palymbetov, R. Sh.; Taimuratova, L. U (Eurasian Journal of Physics and Functional Materials, 2023)
      Kubenova, M. M.; Balapanov, M. Kh.; Ishembetov, R. Kh.; Kuterbekov, K. A.; Almukhametov, R. F.; Bekmyrza, K. Zh.; Kabyshev, A. M.; Palymbetov, R. Sh.; and Taimuratova, L. U. (2023) "Thermal conductivity of new nanocomposite superionic semiconductors K0.01Cu1.96S, K0.02Cu1.95S, K0.03Cu1.94S, K0.04Cu1.93S, K0.05Cu1.94S," Eurasian Journal of Physics and Functional Materials: Vol. ...
      2025-01-08