Eurasian journal of physics and functional materials: Недавние поступления

  • A comparative study of promising filter materials for neutron imaging facilities 
    Nazarov, K.M.; Kichanov, S.E.; Lukin, E.V.; Zel, I.Yu.; Kozlenko, D.P.; Zholdybayev, T.K.; Muhametuly, B.; Kenessarin, M.; Rutkauskas, A.V.; Yskakov, A.; Belova, M.O. (2021)
    The effect of sapphire and bismuth single-crystal filters and their combinations on the quality of neutron radiographic images and neutron tomography data has been studied. The parameters of the contrast of the neutron ...
  • Mechanisms for the creation of intrinsic electron-hole trapping centers in a CaSO4 crystall 
    Nurakhmetov, T.N.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Yussupbekova, B.N.; Tolekov, D.A. (2021)
    The mechanism of creation of electron-hole trapping centers in CaSO4 at 15-300 K was investigated by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. It is shown that electron-hole trapping centers ...
  • Conducting and dielectric properties of Na3Fe2 (PO4 )3 and Na2FePO4F 
    Nogai, A.A.; Salikhodzha, Zh.M.; Nogai, A.S.; Uskenbaev, D.E. (2021)
    In this research, the structure parameters, conducting and dielectric properties of Na3Fe2(PO4)3 and Na2FePO4F polycrystals were studied obtained by solid-phase synthesis. The phase transition temperatures, conducting and ...
  • Influence of Cu+ impurity on the efficiency of creation of electron-hole trapping centers in irradiated Na2SO4 − Cu crystals 
    Nurakhmetov, T.N.; Yussupbekova, B.N.; Zhunusbekov, A.M.; Daurenbekov, D.H.; Sadykova, B.M.; Zhangylyssov, K.B.; Alibay, T.T.; Tolekov, D.A. (2021)
    The mechanisms of creation of impurity and intrinsic electron-hole trapping centers in Na2SO4 − Cu crystals have been investigated by spectroscopic methods. It is shown that impurity and intrinsic electron-hole trapping ...
  • Study of change in beryllium oxide strength properties as a result of irradiation with heavy ions 
    Zdorovets, M.V.; Kozlovskiy, A.L.; Borgekov, D.B.; Shlimas, D.I. (2021)
    The paper presents data on changes in strength properties, including data on microhardness, crack resistance, bending strength and wear of BeO ceramics as a result of irradiation with heavy accelerated ions. The following ...
  • Assessment of the radiation situation in the territory of the Saumalkol village, located near the mothballed uranium mine of the North Kazakhstan region 
    Nygymanova, A.S.; Kuterbekov, K.A.; Bakhtin, M.M.; Karpenko, E.I.; Kabyshev, A.M. (2021)
    For the first time after the mothballing of the uranium mine, comprehensive studies were carried out to assess the radiation situation in the territory of the Saumalkol settlement in the North Kazakhstan region. On the ...
  • Hyperfine structure S state of muonic helium atom 
    Aznabayev, D.T.; Bekbaev, A.K.; Korobov, V.I. (2021)
    In this work the nonrelativistic ionization energies 3He2+µ −e − and 4He2+µ −e − of helium-muonic atoms are calculated for S states.The estimates are based on the variational principle of exponential expansion. ...
  • Intrinsic emission and electron-hole trapping centers in crystals Li2SO4 -Cu 
    Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Dolomatov, M.Y.; Yussupbekova, B.N.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Sadykova, B.M.; Zhangylyssov, K.B.; Alibay, T.T.; Tolekov, D.A. (2021)
    In the present work, the emission and excitation spectra in Li2SO4-Cu crystals have been obtained by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. We have studied the nature of emission from a pressed ...
  • The nature of intrinsic recombination emission in SrSO4 irradiated with ultraviolet photons 
    Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Bakhtizin, R.Z.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Azmagambetova, Zh.; Sadykova, B.M.; Yussupbekova, B.N.; Alibay, T.T.; Tolekov, D.A.; Tulebayeva, N.; Adil, B. (2021)
    The synthesized SrSO4 crystalline powders were irradiated at photon energies from 6 ÷ 12 eV, in the temperature range from 15 ÷ 300 K. The investigation was carried out by the methods of atomic absorption, luminescence ...
  • Study of gamma radiation shielding efficiency by 0.5TeO2 -(0.5-x)Bi2O3 -xWO3 glasses 
    Temir, A.; Zhumadilov, K.Sh.; Kozlovskiy, A.; Smagulova, A.; Shlimas, D.I.; Trukhanov, A.V. (2021)
    This article is devoted to the study of determination of gamma radiation shielding efficiency by new radiation-resistant glasses of the 0.5TeO2-(0.5-x)Bi2O3-xWO3 type. As a method of obtaining glasses, the method of ...
  • 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. (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 ...
  • Assessment of radiation exposure in the settlements located in Stepnogorsk area 
    Ibrayeva, D.S.; Aumalikova, M.N.; Ilbekova, K.B.; Bakhtin, M.M.; Kazymbet, P.K.; Ibrayeva, Sh.S.; Zhumadilov, K.Sh. (2021)
    The Stepnogorsk area Northern Kazakhstan has a long history mining activities. Mining activities have lots of environmental and health impacts. The aims of this study were to characterizing the general radiological ...
  • Energy transfer of intrinsic electronic excitation to impurities in the CaSO4 − Mn crystal 
    Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Azmagambetova, Zh.; Sadykova, B.M.; Yussupbekova, B.N.; Alibay, T.T.; Tolekov, D.A.; Tulebayeva, N. (2021)
    The nature of the impurity emission center and the energy transfer mechanisms from intrinsic electronic excitations to the Mn2+ impurity centers in the CaSO4 − Mn crystal have been investigated. The methods of vacuum ...
  • Mechanisms formation of electron-hole trap centers in LiKSO4 crystall 
    Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Zhangylyssov, K.B.; Yussupbekova, B.N.; Tolekov, D.A. (2021)
    The mechanisms of creation of electron-hole trapping centers in LiKSO4 have been investigated by the methods of vacuum and thermal activation spectroscopy. It is shown that electron-hole trapping centers are formed during ...
  • Measuring the yields and angular distributions of γ - quanta from the interaction between 14.1 MeV neutrons and sodium nuclei 
    Dabylova, S.B.; Kopatch, Yu.N.; Fedorov, N.A.; Grozdanov, D.N.; Ruskov, I.N.; Skoy, V.R.; Hramco, K.; Tretyakova, T.Yu.; Sakhiyev, S.K.; Marzhokhov, R.B.; Bogolyubov, E.P.; Zverev, V.I.; Barmakov, Yu.N. (2021)
    A study of the reaction of inelastic scattering of 14.1 MeV neutrons by 23 Na nuclei was carried out at the TANGRA facility using the tagged neutron method. In this work, the energies of visible γ - transitions are determined, ...
  • Non-destructive analysis of materials by neutron imaging at the TITAN facility 
    Nazarov, K.M.; Mukhametuly, B.; Kichanov, S.E.; Zholdybayev, T.K.; Shaimerdenov, A.A.; Karakozov, K.B.; Dyussambayev, D.S.; Aitkulov, M.T.; Yerdauletov, M.; Napolskiy, P.; Kenessarin, M.; Kalymkhan, E.K.; Imamverdiyev, N.A.; Jabarov, S.H. (2021)
    Since 2019, the TITAN neutron radiography and tomography facility have been operating at the WWR-K research reactor. The experimental station is intended for a wide range of applications in various fields of science. ...
  • Phase composition and thermoelectric properties of the nanocomposite alloys NaxCu2−x−yS 
    Kubenova, M.M.; Balapanov, M.Kh.; Kuterbekov, K.A.; Ishembetov, R.Kh.; Kabyshev, A.M.; Yulaeva, Y.Kh. (2020)
    Nanocrystalline alloys of the compositions Na 0.05 Cu 1.95 S, Na 0.075 Cu 1.925 S, Na 0.10 Cu 1.90 S, Na 0.125 Cu 1.750 S, Na 0.15 Cu 1.85 S, Na 0.17 Cu 1.80 S, Na 0.20 Cu 1.77 S were synthesized in a melt medium mixtures ...
  • Comparison of aluminum and manganum concentration in Akmola region, Kazakhstan 
    Zhumalina, A.G.; Sambayev, E.K.; Sakaguchi, A.; Endo, S.; Tanaka, K.; Kajimoto, T.; Kawano, N.; Suleimenov, T.B.; Zhumadilov, K.Sh.; Hoshi, M. (2020)
    The results of seasonal Al and Mn activity on the surface of the atmosphere above the city of Nur-Sultan are shown from October 2016 to January 2017. The technique of sampling aerosols in various fractions and further ...
  • Neutron transfer and nuclear breakup in 208Pb (11Li, 9 Li) reaction 
    Azhibekov, A.K.; Samarin, V.V.; Kuterbekov, K.A. (2020)
    Neutron transfer and nuclear breakup processes in reaction with weakly bound nucleus 11Li at energies near the Coulomb barrier are investigated in the framework of the time-dependent Schrödinger equation. The evolution ...
  • 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. (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 ...

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