Перегляд за автором "Galunov, N.Z."

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A technique for the selective detection of neutrons in geological applications

Baker, J.H.; Galunov, N.Z.; Kostin, V.G.; Martynenko, E.V.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2007)

We present a new, combined technique for the detection of fast and thermal neutrons in the presence of accompanying gamma radiation, for geological and radioecological applications. To separate the slow neutron pulses and ...
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 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 ...
Determination of the light yield of organic scintillators

Galunov, N.Z.; Tarasenko, O.A.; Tarasov, V.A. (Functional Materials, 2013)

The paper analyzes the reasons of a distinction in the values of the light output and the light yield obtained by different authors for organic scintillators. The comparison method was used to determinate update values of ...
Features of 1,4-diphenyl-butadiene distribution in p-terphenyl crystal lattice

Budakovsky, S.V.; Galunov, N.Z.; Lazarev, I.V.; Vashchenko, V.V.; Vashchenko, E.V.; Vlasenko, A.S.; Volkov, V.L. (Functional Materials, 2011)
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 ...
Light collection simulation when determining light yield of single crystal and polycrystalline organic scintillators

Gorbacheva, T.E.; Tarasov, V.A.; Galunov, N.Z. (Functional Materials, 2015)

The light-collection coefficients were calculated for different scintillation detectors using discrete optical model. Сharacteristics of optical media, which cannot be measured directly, were fitted using experimental ...
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 ...
Luminescence energy yields of organic solid materials exited by photons of light or gamma-radiation

Tarasenko, O.A.; Galunov, N.Z.; Panikarskaya, V.D.; Sanin, E.V.; Tarasov, V.A.; Volkov, V.L. (Functional Materials, 2012)

In this paper we compare the energy yields both for the case of excitation by light photons of the visible range and for the excitation by gamma radiation for some organic scintillation crystals and polystyrene plastic ...
Methodical aspects and measuring set-up for investigation the ability to selective detection of different ionizing radiations by organic scintillators

Galunov, N.Z.; Martynenko, E.V.; Tarasenko, O.A. (Functional Materials, 2006)

In this paper, we have discussed the technique for selective detection of different types of ionizing radiations. This technique is based 011 the discrimination procedure of particles by their scintillation pulse shape. ...
Method of obtaining an organic polycrystalline scintillator for detecting beta-radionuclide sources in natural waters

Andryushchenko, A.Yu.; Belikov, K.N.; Galunov, N.Z.; Martynenko, E.V.; Lazarev, I.V.; Polupan, Ya.I.; Tarasenko, O.A. (Functional Materials, 2018)

The method of producing an organic polycrystalline scintillator with two-stage sorbent filled holes for detecting beta-emitting source of <f2m^>90Sr in natural water is proposed. That confirms that synthetic hydroxylapatite ...
Molecular packing in organic anisotropic media: effects of piesothermal factors on optical transmission in polycrystalline samples

Minenko, S.S.; Tarasenko, O.A.; Budakovsky, S.V.; Lisetski, L.N.; Galunov, N.Z. (Functional Materials, 2009)

Optical transmission was measured for pellets made of polycrystalline powders of stilbene and p-terphenyl subject to pressure compaction at temperatures close to the melting point. As compared with similar samples obtained ...
New generation of organic scintillation materials

Budakovsky, S.V.; Galunov, N.Z.; Grinyov, B.V.; Kim, J.K.; Kim, Y.K.; Tarasenko, O.A. (Functional Materials, 2009)

Organic scintillation materials of the next generation have been designed and prepared, namely, organic polycrystals obtained from finely ground perfect single crystals by pressing and organic composite scintillators ...
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 ...
Optical and scintillation properties of stilbene polycrystalline and composite materials

Galunov, N.Z.; Tarasenko, O.A.; Tarasov, V.A. (Functional Materials, 2015)

The new types of organic radioluminescent materials, namely, polycrystalline and composite scintillators are studied. The results of measurements of light transmittance in the range of their luminescence and transparency ...
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 ...
Quenching process in an ionizing particle track for organic crystalline scintillation detectors

Galunov, N.Z.; Seminozhenko, V.P.; Martynenko, E.V.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2013)

The processes of primary energy exchange of ionizing radiation in track regions of organic molecular scintillation crystalline materials are reviewed. The semi-empirical description of the processes of primary energy ...
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), ...
Radiation resistance of composite scintillators containing grains of Y₂SiO₅:Ce or Y₃Al₅O₁₂:Ce obtained by solid-phase synthesis

Boyarintsev, A.Yu.; Galunov, N.Z.; Levchuk, L.G.; Martynenko, E.V.; Nepokupnaya, T.A.; Onufriyev, Yu.D.; Popov, V.F.; Voloshyna, O.V. (Functional Materials, 2018)

The paper focuses on the study of radiation resistance of composite scintillators containing the grains of Y₂SiO₅:Ce or Y₃Al₅O₁₂:Ce. The paper compares the results obtained for composite scintillators when the grains were ...

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