Search Results - "Kirillov, V.L."

Superparamagnetic blocking of an ensemble of magnetite nanoparticles upon interparticle interactions by Balaev, D.A., Semenov, S.V., Dubrovskiy, A.A., Yakushkin, S.S., Kirillov, V.L., Martyanov, O.N.

“…We report on the effect of interparticle magnetic interactions in an ensemble of superparamagnetic magnetite particles with an average size of ~8.4nm dispersed…”
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Size effects on the magnetic properties of a system of ε-Fe2O3 nanoparticles embedded in a SiO2 xerogel matrix by Balaev, D.A., Knyazev, YuV, Semenov, S.V., Dubrovskiy, A.A., Lasukov, A.I., Skorobogatov, S.A., Smorodina, E.D., Kirillov, V.L., Martyanov, O.N.

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Uncompensated magnetic moment and surface and size effects in few-nanometer antiferromagnetic NiO particles by Balaev, D.A., Krasikov, A.A., Popkov, S.I., Semenov, S.V., Volochaev, M.N., Velikanov, D.A., Kirillov, V.L., Martyanov, O.N.

“…•The M(H) magnetization curves of NiO nanoparticles (NPs) measured in pulsed fields of up to 250 kOe have been studied.•A model of NiO NP obtained from…”
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Formation of the magnetic subsystems in antiferromagnetic NiO nanoparticles using the data of magnetic measurements in fields up to 250 kOe by Popkov, S.I., Krasikov, A.A., Velikanov, D.A., Kirillov, V.L., Martyanov, O.N., Balaev, D.A.

“…•A sample of NiO nanoparticles with an average size of 8 nm was synthesized.•The sample exhibits the superparamagnetic behavior with a blocking temperature of…”
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ε-Fe2O3 nanoparticles embedded in silica xerogel – Magnetic metamaterial by Yakushkin, S.S., Balaev, D.A., Dubrovskiy, A.A., Semenov, S.V., Knyazev, Yu.V., Bayukov, O.A., Kirillov, V.L., Ivantsov, R.D., Edelman, I.S., Martyanov, O.N.

“…A novel method for synthesizing a new metamaterial based on ε-Fe2O3 nanoparticles immobilized in the xerogel matrix was proposed. Samples with different…”
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Features of the quasi-static and dynamic magnetization switching in NiO nanoparticles: Manifestation of the interaction between magnetic subsystems in antiferromagnetic nanoparticles by Balaev, D.A., Krasikov, A.A., Popkov, S.I., Dubrovskiy, A.A., Semenov, S.V., Velikanov, D.A., Kirillov, V.L., Martyanov, O.N.

“…•Nickel oxide nanoparticles with an average size of ~8 nm were synthesized by thermal decomposition of nickel oxalate.•New magnetic subsystems are formed in…”
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Magnetodielectric effect in a metamaterial consisting of xerogel with embedded ε-Fe2O3 iron oxide nanoparticles by Dubrovskiy, A.A., Balaev, D.A., Krasikov, A.A., Yakushhkin, S.S., Kirillov, V.L., Martyanov, O.N.

“…The ε-Fe2O3 iron oxide is a fairly rare polymorphic modification, which only exists in the form of nanoparticles embedded, as a rule, into a silica gel matrix…”
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Dimethylsulfoxide as a media for one-stage synthesis of the Fe3O4-Based ferrofluids with a controllable size distribution by Kirillov, V.L., Yakushkin, S.S., Balaev, D.A., Dubrovskiy, A.A., Semenov, S.V., Knyazev, Yu.V., Bayukov, O.A., Velikanov, D.A., Yatsenko, D.A., Martyanov, O.N.

“…The ultrafine (d = 4 nm) magnetite ferrofluid with a narrow nanoparticle size distribution has been synthesized in one stage at room temperature from a…”
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Magnetic properties of NiO nano particles: Contributions of the antiferromagnetic and ferromagnetic subsystems in different magnetic field ranges up to 250 kOe by Balaev, D. A., Dubrovskiy, A. A., Krasikov, A. A., Popkov, S. I., Balaev, A. D., Shaikhutdinov, K. A., Kirillov, V. L., Mart’yanov, O. N.

“…The magnetic properties of antiferromagnetic NiO nanoparticles prepared by thermal decomposition of nickel hydroxocarbonate are investigated. According to the…”
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High density aerogel for ASHIPH SND—test results by Barnyakov, A.Yu, Barnyakov, M.Yu, Beloborodov, K.I., Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Golubev, V.B., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P., Martin, K.A., Serednyakov, S.I., Vesenev, V.M.

“…The paper is devoted to the cosmic tests of particle identification system for the SND detector at VEPP-2000. The goal of the tests is to measure main…”
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Particle identification aerogel counter with n=1.13 for π/K separation by Barnyakov, A.Yu, Barnyakov, M.Yu, Beloborodov, K.I., Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Golubev, V.B., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P., Martin, K.A., Serednyakov, S.I., Vesenev, V.M.

“…The paper is devoted to the cosmic muon tests of particle identification system for the SND detector at the new VEPP-2000 e+e− collider. The goal of the tests…”
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Focusing aerogel RICH optimization by Barnyakov, A.Yu, Barnyakov, M.Yu, Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Gulevich, V.V., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P., Porosev, V.V.

“…The method of improvement of Cherenkov angle resolution in RICH detectors using ‘focusing’ aerogel radiators (FARICH) is under investigation. The ‘focusing’…”
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Influence of water on optical parameters of aerogel by Yu. Barnyakov, A., Barnyakov, M.Yu, Barutkin, V.V., Bobrovnikov, V.S., Buzykaev, A.R., Daniluk, A.F., Kononov, S.A., Kirillov, V.L., Kravchenko, E.A., Onuchin, A.P.

“…Influence of water adsorbed in aerogel on its optical parameters has been studied. For the first time it was obtained that a very little amount of adsorbed…”
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FARICH optimization for precise velocity measurement by Barnyakov, A.Yu, Barnyakov, M.Yu, Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Kirillov, V.L., Kononov, S.A., Kavchenko, E.A., Onuchin, A.P., Todyshev, K.Yu

“…Lately aerogel samples of refractive index as high as 1.13 were synthesized in Novosibirsk. Light scattering length for some samples approaches 12 cm. We…”
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Focusing aerogel RICH (FARICH) by Barnyakov, A.Yu, Barnyakov, M.Yu, Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P.

“…In this work we investigate a Ring Imaging Cherenkov detector based on “focusing” aerogel (FARICH). In the proximity focusing RICH, one of the main factors…”
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Recent results on aerogel development for use in Cherenkov counters by Danilyuk, A.F, Kirillov, V.L, Savelieva, M.D, Bobrovnikov, V.S, Buzykaev, A.R, Kravchenko, E.A, Lavrov, A.V, Onuchin, A.P

“…Synthesis of silica aerogel for Cherenkov counters is being studied for more than 10 years at the Boreskov Institute of Catalysis in collaboration with the…”
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Results from R&D of Cherenkov detectors at Novosibirsk by Barnyakov, A.Yu, Barnyakov, M.Yu, Beloborodov, K.I., Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Golubev, V.B., Gulevich, V.V., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P., Serednyakov, S.I.

“…Our group produces silica aerogels with refractive indices of 1.006–1.13 with good optical transparency. The particle identification systems for the KEDR and…”
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Development of FARICH-detector for ALICE experiment at CERN by Berlev, A.I., Danilyuk, A.F., Karavicheva, T.L., Karpechev, E.V., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., Kupchinskiy, Yu.V., Kurepin, A.B., Kurepin, A.N., Maevskaya, A.I., Musienko, Yu.V., Onuchin, A.P., Razin, V.I., Reshetin, A.I., Finogeev, D.A.

“…In order to extend the momentum range of the charged particle identification up to 10 GeV /c for pion–kaon separation and to 14 GeV /c for kaon–proton…”
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