Перегляд за автором "Karavaeva, N.L."

Сортувати за: Порядок: Результатів:

  • Combined composite scintillation detector for separate measurements of fast and thermal neutrons 
    Karavaeva, N.L.; Galunov, N.Z.; Martynenko, E.V.; Kosinova, A.V. (Functional Materials, 2010)
  • Composite scintillators as new type of a scintillation material 
    Karavaeva, N.L. (Вопросы атомной науки и техники, 2014)
    For radioecological tasks, we have developed a new type of scintillation materials - composite scintillators, consisting of dielectric gel as a base into which granules of scintillating substances were introduced. It has ...
  • Composite scintillators based on organic grains and their pulse shape discrimination capability 
    Khromiuk, I.F.; Karavaeva, N.L.; Krech, А.V.; Lazarev, І.V.; Martynenko, Ye.V.; Tarasenko, О.А.; Khabuseva, S.U. (Problems of Atomic Science and Technology, 2022)
    Studies of photoluminescence, relative light output and optical transmission of organic single-layer composite scintillators with different grain sizes have been carried out. The paper presents the dependences of these ...
  • Composite scintillators based on single crystal grains Y₂SiO₅:Ce (YSO) and Y₃Al₅O₁₂:Ce (YAG) 
    Galunov, N.Z.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Grinyov, B.V.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Martynenko, E.V.; Popov, V.F.; Sidletskiy, O.Ts.; Sorokin, P.V.; Tarasenko, О.A. (Вопросы атомной науки и техники, 2017)
    Radiation-resistant composite scintillators based on grains of inorganic single crystals of the yttrium orthosilicate Y₂SiO₅:Ce and yttrium aluminium garnet Y₃Al₅5O₁₂:Ce were studied. The irradiation of the samples by KIPT ...
  • Composite scintillators for a wide range of problems in detection of ionizing radiation 
    Karavaeva, N.L. (Functional Materials, 2014)
    We have developed a new type of scintillation materials composite scintillators. It has been shown that such materials can be obtained both on the basis of organic (fast neutron detection) and inorganic (thermal neutron ...
  • Creation of composite scintillators with a short decay time 
    Krech, A.V.; Kofanov, D.O.; Khromiuk, I.F.; Okrushko, O.M.; Gerasymov, Ia.V.; Karavaeva, N.L.; Levchuk, L.G.; Popov, V.P.; Khabuseva, S.U. (Problems of Atomic Science and Technology, 2023)
    To date, LuAG:Ce crystals are one of the most common scintillators, since they have been known for a long time and there are technologies for mass production of large-volume crystals. However, the scintillation properties ...
  • Development of new composite scintillators based on organic single crystal grains 
    Karavaeva, N.L.; Tarasenko, O.A. (Functional Materials, 2009)
    The proposed organic composite scintillators contain crystalline grains of stilbene or p-terphenyl incorporated into a two-component non-scintillating polymer matrix. Discussed are the technological aspects of the making ...
  • Development of radiation resistant scintillators based on rare-earth aluminates 
    Krech, A.V.; Kofanov, D.O.; Khromiuk, I.F.; Okrushko, O.M.; Karavaeva, N.L.; Khabuseva, S.U. (Problems of Atomic Science and Technology, 2022)
    LuYAG∶Ce and YAG∶Ce,Ca crystals were obtained by the Czochralski method using tungsten crucibles in reducing surroundings. Crystals (LuₓY₁₋ₓ)₃Al₅O₁₂∶1%Ce and crystals of YAG:Ce,Ca with different concentrations of Ce and ...
  • Heterostructured organic scintillators with a high pulse-shape discrimination capability for radioecology problems 
    Khromiuk, I.F.; Galunov, N.Z.; Karavaeva, N.L.; Krech, A.V.; Polupan, Ya.I.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2021)
    Studies of the relative Light output and optical transmission of organic composite scintillators with different grain sizes were performed. The research results showed that for samples with grains 0.06…0.3 mm in size, in ...
  • Influence of radiation conditions on cracking of composite scintillators 
    Krech, A.V.; Boyarintsev, A.Yu.; Galunov, N.Z.; Karavaeva, N.L.; Gorbacheva, T.E.; Khromiuk, I.F.; Levchuk, L.G.; Popov, V.F. (Вопросы атомной науки и техники, 2021)
    The article analyzes two main hypotheses describing the cracking of a composite scintillator in the irradiation zone. This is the "temperature" and "radiation-chemical" hypothesis of cracking. The analysis is based on ...
  • Large size composite scintillators 
    Karavaeva, N.L.; Tarasenko, O.A. (Functional Materials, 2010)
  • Light guides on the base of dielectric gel compositions 
    Galunov, N.Z.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Popov, V.F.; Samokhin, A.D.; Sorokin, P.V. (Вопросы атомной науки и техники, 2014)
    Light guides those have to shift the light of scintillator in a longer-wavelength region and collect this light on a photodetector are developed on the base of radiation resistant gel composition Sylgard-527. The luminescent ...
  • Light transmission through the material of composite scintillator 
    Karavaeva, N.L.; Martynenko, E.V.; Panikarskaya, V.D.; Tarasenko, O.A. (Functional Materials, 2012)
    Single-layer and multilayer (20 mm high) composite scintillators based on stilbene were studied in the work. For all the scintillators the luminous transmittances on wavelengths of 360 nm, 390 nm, 440 nm and 700 nm have ...
  • New scintillators for fast and thermal neutron detection 
    Galunov, N.Z.; Karavaeva, N.L.; Seminozhenko, V.P. (Functional Materials, 2012)
    Proposed a technology to obtain a new class of detectors, namely organic composite scintillators. It allows us to create the scintillation detectors of an unlimited area. We consider hydrogen-bearing composite scintillators ...
  • Photoinduced diffraction grating in AgCl-Ag film on surface of silicone gel composition SYLGARD-184 
    Ageev, L.A.; Galunov, N.Z.; Rieznikova, V.M.; Makovetsky, E.D.; Karavaeva, N.L.; Krech, A.V. (Functional Materials, 2016)
    To extract and record scintillations, application of thin silver diffraction grating (DG) on fiber surface has been proposed, the fiber being based on gel composition SYLGARD-184. Such a grating has been formed in ...
  • Possible reasons for cracking of composite scintillators after irradiation in an electron accelerator at a high dose rate 
    Krech, A.V.; Boyarintsev, A.Yu.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Karavaeva, N.L.; Levchuk, L.G.; Popov, V.F. (Problems of Atomic Science and Technology, 2022)
    Possible reasons for cracking of composite scintillators after irradiation in an electron accelerator at a high dose rate are proposed. The main causes of cracking of composite scintillators, such as ionizing radiation and ...
  • Radiation resistance of composite scintillators 
    Boyarintsev, A.Yu.; Galunov, N.Z.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Grinyov, B.V.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Martynenko, E.V.; Popov, V.F.; Sidletskiy, O.Ts.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2019)
    Radiation resistance of composite scintillators containing grains of organic or inorganic single crystals has been analysed. The analysis is based on the study of composite scintillators containing grains Gd₂SiO₅:Ce (GSO:Ce), ...
  • Study of radiation-resistant gel bases for composite detectors 
    Boyarintsev, A.Yu.; Galunov, N.Z.; Karavaeva, N.L.; Krech, A.V.; Lazarev, I.V.; Levchuk, L.G.; Nepokupnaya, T.A.; Panikarskaya, V.D.; Popov, V.F.; Sorokin, P.V.; Tarasenko, O.A. (Functional Materials, 2013)
    Light transmittance T of the commercially available dielectric gels as a function of integrated radiation dose D was studied in this work. Irradiation of samples was performed by electron accelerator with integrated radiation ...