Browsing Zinātniskie raksti (CFI) / Scientific articles by Subject "Radiation defects"

Now showing items 1-6 of 6

    • Accumulation of radiation defects and modification of micromechanical properties under MgO crystal irradiation with swift 132Xe ions 

      Baubekova, G.; Akilbekov, A.; Feldbach, E.; Grants, Rolands; Manika, Ilze P.; Popov, Anatoli I.; Schwartz, K.; Vasil'Chenko, Evgeni A.; Zdorovets, Maxim V.; Lushchik, Aleksandr Ch (Elsevier B.V., 2020)
      Accumulation of F-type defects under irradiation of MgO crystals by 0.23-GeV 132Xe ions with fluence varying by three orders of magnitude has been investigated via the spectra of optical absorption and low-temperature ...

    • First Principles Simulations on Migration Paths of Oxygen Interstitials in MgAl2O4 

      Platonenko, Alexander; Gryaznov, Denis; Zhukovskii, Yuri F.; Kotomin, Eugene A. (Wiley-VCH Verlag, 2018)
      Thermal stability of the primary electronic defects – F‐type centers – in oxide materials is controlled by their recombination with much more mobile complementary defects – interstitial oxygen ions Oi. Thus, the study of ...

    • Kinetics of dimer F2 type center annealing in MgF2 crystals 

      Kuzovkov, Vladimir N.; Kotomin, Eugene A.; Popov, Anatoli (Elsevier B.V., 2018)
      In this paper, we analyzed experimental annealing kinetics of the primary electronic F centers and dimer F2 centers observed in MgF2 at higher radiation doses and temperatures. The developed phenomenological theory takes ...

    • Kinetics of the electronic center annealing in Al2O3 crystals 

      Kuzovkov, Vladimir N.; Kotomin, Eugene; Popov, Anatoli (Elsevier B.V., 2018)
      The experimental annealing kinetics of the primary electronic F, F+ centers and dimer F2 centers observed in Al2O3 produced under neutron irradiation were carefully analyzed. The developed theory takes into account the ...

    • Peculiarities of the diffusion-controlled radiation defect accumulation kinetics under high fluencies 

      Kuzovkov, Vladimir N.; Kotomin, Eugene A.; Popov, Anatoli I.; Vila, Rafael (Elsevier B.V., 2020)
      Theory is developed for kinetics of the diffusion-controlled radiation defect accumulation in crystalline solids under high fluencies taking into account recently observed correlation between the defect diffusion energy ...

    • Recombination luminescence of X-ray induced paramagnetic defects in BaY2F8 

      Antuzevics, Andris; Fedotovs, Andris; Berzins, Dzintars; Rogulis, Uldis; Auzins, Krisjanis; Zolotarjovs, Aleksejs; Baldochi, Sonia Licia (Elsevier B.V.Journal of Luminescence, 2020)
      Recombination luminescence (RL) and RL-detected electron paramagnetic resonance (RL-EPR) in BaY2F8 single crystal has been investigated after irradiation with X-rays at low temperature. The recombination process, which ...