Перегляд за автором "Lebedev, V.N."

Результати 1-19 з 19

Efficiency improvement of polystyrene-based plastic scintillators

Adadurov, A.F.; Zhmurin, P.N.; Lebedev, V.N.; Titskaya, V.D. (Functional Materials, 2009)

The radiationless energy transfer mechanisms between energy donor and acceptor have been studied to determine the character of their spatial distribution. The observed deviation of luminescence decay law from the root ...
Excitation energy transfer in divinylbenzene copolymers

Zhmurin, P.N.; Elyseev, D.A.; Titskaya, V.D.; Lebedev, V.N.; Adadurov, A.F. (Functional Materials, 2012)

This article describes our attempts to produce "nonexcimer" polymer systems by means of rigid fixation of chromophore groups positioned between two vinyl bonds. Divinylbenzene and methylmethacrylate copolymers were chosen ...
Fast plastic scintillator with the high light yield

Zhmurin, P.N.; Eliseev, D.A.; Lebedev, V.N.; Pereymak, V.N.; Svidlo, O.V.; Velmozhnaya, E.S. (Functional Materials, 2016)

A fast plastic scintillator (PS) on combined base, consisting of 60 wt.% polystyrene and 40 wt.% N-tolylcarbazole, is presented. Relatively to known fast PS, in which luminescence quenching method is used to reduce the ...
Fluorescence and Judd-Ofelt analysis of phenyl-containing europium chelate complexes in polystyrene

Adadurov, A.F.; Zhmurin, P.N.; Lebedev, V.N.; Kovalenko, V.N. (Functional Materials, 2011)
Fluorescence and Judd-Ofelt analysis of phenyl-containing europium chelate complexes in polystyrene

Adadurov, A.F.; Zhmurin, P.N.; Lebedev, V.N.; Kovalenko, V.N. (Functional Materials, 2010)
Influence of electron-donor additive on properties of plastic scintillator

Zhmurin, P.N.; Titskaya, V.D.; Bedrik, A.I.; Elyseev, D.A.; Soldysheva, E.A.; Lebedev, V.N.; Pereymak, V.N.; Adadurov, A.F. (Functional Materials, 2014)

The main goal of the work is to study the influence of electron-donor additives of a polymer matrix on scintillation properties of plastic scintillators. Molecules of triphenylamine were chosen as the additives which have ...
Influence of plasticizer structure on stability of polystyrene scintillators optical characteristics

Senchishin, V.G.; Borisenko, A.Yu.; Titskaja, V.D.; Koba, V.S.; Lebedev, V.N.; Adadurov, A.F.; Osadchenko, V.N. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2001)

The radiation and thermal stability of optical characteristics of polystyrene scintillators modified by plasticizers based on derivatives of naphthalene, ditolylmethylene, diphenylene oxide, ether of phthalic acid and ...
Manufacture and study of new polystyrene scintillators

Senchishin, V.G.; Vasilchuk, V.L.; Borisenko, A.Yu.; Lebedev, V.N.; Adadurov, A.F.; Khlapova, N.P.; Titskaja, V.D.; Koba, V.S.; Pelipyagina, L.E.; Miroshnichenko, L.A.; Leman, V.E.; Osadchenko, V.N.; Kluban, N.A.; Shydlovskij, V.G.; Mitsaj, L.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)

The main optical characteristics and radiation hardness of new polystyrene scintillator UPS98GC were studied. The scintillator UPS-98GC was compared to SCSN-81, produced by Kuraray Co. which is often used in high-energy ...
Plastic scintillators based on polymers with hindered excimer forming

Adadurov, A.F.; Yelyseev, D.A.; Titskaya, V.D.; Lebedev, V.N.; Zhmurin, P.N. (Functional Materials, 2011)
Plastic scintillator with gadolinium phenylpropionate

Bedrik, A.I.; Velmozhnaya, Ye.S.; Zhmurin, P.N.; Adadurov, A.F.; Lebedev, V.N.; Titskaya, V.D. (Functional Materials, 2011)
Polystyrene-based plastic scintillator for n/γ -discrimination

Zhmurin, P.N.; Lebedev, V.N.; Titskaya, V.D.; Adadurov, A.F.; Elyseev, D.A.; Pereymak, V.N. (Functional Materials, 2014)

Polystyrene-based scintillator (PS) with 2-phenyl-5-(4-tert-butylephenyl)-1,3,4-oxadiazole or 2,5-di-(3-methylphenyl)-1,3,4 oxadiazole is proposed for pulse-shape n/γ -discrimination. This scintillator have improved ...
Pulse shape neutrons and gamma quanta discrimination by means of plastic scintillator of the new generation

Zhmurin, P.N.; Lebedev, V.N.; Adadurov, A.F.; Pereymak, V.N.; Gurkalenko, Yu.A. (Functional Materials, 2013)

Plastic scintillator (PS) of the new generation was developed for the pulse shape neutron and γ -quanta discrimination (n/γ -discrimination). To impart n/γ discrimination property two activation centers with different decay ...
Radiation-hard plastic scintillators with 3-hydroxyflavone derivatives

Gurkalenko, Yu.A.; Zhmurin, P.N.; Lebedev, V.N.; Pereymak, V.N.; Svidlo, O.V. (Functional Materials, 2016)

New compositions of radiation-hard plastic scintillators (PS) with content of 3-hydroxyflavone (3HF) derivatives are proposed. It is shown, that the new PS based on polystyrene with these dopants have both the higher ...
Radiation-hard plastic scintillator with increased mechanical strength

Zhmurin, P.N.; Lebedev, V.N.; Bedrik, A.I.; Titskaya, V.D.; Adadurov, A.F.; Velmozhnaya, E. (Functional Materials, 2015)

This paper describes possibilities of improving mechanical properties of radiation-hard plastic scintillator (PS) with additives by spatial cross-linking their polymer base. This allows improving the mechanical properties ...
Study of radiation and natural aging of plastic scintillators

Khlapova, N.P.; Senchyshyn, V.G.; Lebedev, V.N.; Adadurov, A.F. (Вопросы атомной науки и техники, 2006)

An influence of radiation and natural aging on scintillating characteristics of polystyrene scintillators (PS) produced by different technologies is studied. Influence of molecular-mass distribution on PS radiation hardness ...
Synthesis and luminescent properties of CaF₂:Eu²⁺ nanocrystals

Zhmurin, P.N.; Sythik, O.Yu.; Svidlo, O.V.; Lebedev, V.N.; Adadurov, A.F. (Functional Materials, 2012)

The synthesis of CaF₂ nanocryatals activated by Eu²⁺ ions and soluble in nonpolar media is described, their luminescent properties are studied. It is shown that in nanocrystals of this type there are some channels of ...
The mechanical strength advance of radiation-hard plastic scintillators with diffusion enhancers

Velmozhnaya, E.S.; Gurkalenko, Yu.A.; Eliseev, D.A.; Zhmurin, P.N.; Lebedev, V.N.; Pereymak, V.N. (Functional Materials, 2015)

The mechanical strength of a radiation-hard plastic scintillator with diffusion enhancers was investigated by creating cross-linked structure in its polymeric matrix. The best result is reached, if 4,4′-divinylbiphenyl is ...
The nature of trapping centers in amorphous biphenyl containing polymer

Adadurov, A.F.; Bedrik, A.I.; Velmozhnaya, E.C.; Zhmurin, P.N.; Lebedev, V.N.; Titskaya, V.D. (Functional Materials, 2010)
The new radiation-hard plastic scintillators with diffusion enhancers and 3-hydroxyflavone derivatives

Velmozhnaya, E.S.; Gurkalenko, Yu.A.; Eliseev, D.A.; Zhmurin, P.N.; Lebedev, V.N.; Pereymak, V.N. (Functional Materials, 2016)

New mechanically strong compositions of radiation-hard plastic scintillators with diffusion enhancers and primary dopants with the large Stokes shift are proposed. The new PS has 3 times greater radiation hardness in ...

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