Browsing Zinātniskie raksti (CFI) / Scientific articles by Author "Dauletbekova, Alma"

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    • Ab Initio Study on the Vibrational and Electronic Properties of Radiation-Induced Defects in Potassium Bromide 

      Platonenko, Alexander; Pankratov, Vladimir; Kotomin, Eugene A.; Dauletbekova, Alma; Popov, Anatoli I. (MDPI, 2024)
      The vibrational and electronic properties of several basic radiation defects in potassium bromide are computed at the quantum mechanical level using a periodic supercell approach based on hybrid functionals, an all-electron ...

    • The Effect of Fast Kr Ion Irradiation on the Optical Absorption, Luminescence, and Raman Spectra of BaFBr Crystals 

      Akilbekov, Abdirash; Kenbayev, Daurzhan; Dauletbekova, Alma; Polisadova, Elena; Yakovlev, Victor; Karipbayev, Zhakyp; Shalaev, Alexey; Elsts, Edgars; Popov, Anatoli I. (MDPI, 2023)
      In this work, using photoluminescence (PL), optical absorption (OA), Raman spectroscopy (RS), and atomic force microscopy (AFM), the radiation damage of BaFBr crystals irradiated with 147 MeV 84Kr ions to fluences (1010–1014) ...

    • Ion track template technique for fabrication of ZnSe2O5 nanocrystals 

      Akilbekov, Abdirash T.; Akylbekova, Aiman; Usseinov, Abay; Kozlovskiy, A. L.; Baymukhanov, Z.; Giniyatova, Sh G.; Popov, Anatoli I.; Dauletbekova, Alma (Elsevier B.V., 2020)
      ZnSe2O5 nanocrystals with an orthorhombic structure were synthesized by electrochemical deposition into a-SiO2/n-Si ion track template formed by 200 MeV Xe ion irradiation with the fluence of 107 ions/cm2. The lattice ...

    • Ion-Track Template Synthesis and Characterization of ZnSeO3 Nanocrystals 

      Dauletbekova, Alma; Akylbekova, Aiman; Sarsekhan, Gulnaz; Usseinov, Abay; Baimukhanov, Zein; Kozlovskiy, Artem; Vlasukova, Liudmila A.; Komarov, Fadey F.; Popov, Anatoli i.; Akilbekov, Abdirash T. (MDPI, 2022)
      ZnSeO3 nanocrystals with an orthorhombic structure were synthesized by electrochemical and chemical deposition into SiO2/Si ion-track template formed by 200 MeV Xe ion irradiation with the fluence of 107 ions/cm2 . The ...

    • Optical Characteristics of MgAl2O4 Single Crystals Irradiated by 220 MeV Xe Ions 

      Akilbekov, Abdirash; Kiryakov, Arseny; Baubekova, Guldar; Aralbayeva, Gulnara; Dauletbekova, Alma; Akylbekova, Aiman; Ospanova, Zhulduz; Popov, Anatoli I. (MDPI, 2023)
      In In this study, the optical properties of magnesium-aluminate spinel were examined after being irradiated with 220 MeV Xe ions. The research aimed to simulate the impact of nuclear fuel fission fragments on the material. ...

    • 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. (MDPI, 2023)
      Thermoluminescent (TL) properties of monoclinic zirconium dioxide ceramics were studied in order to assess the possibility of their use for measuring high doses (on the order of kGy) of pulsed electron beams (130 keV). Two ...