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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Churilov G. N., Popov A. A., Vnukova N. G., Dudnik A. I., Glushchenko G. A., Samoylova N. A., Dubinina I. A., Gulyaeva U. E.
Заглавие : A method and apparatus for high-throughput controlled synthesis of fullerenes and endohedral metal fullerenes
Место публикации : Tech. Phys. Lett.: MAIK Nauka-Interperiodica / Springer, 2016. - Vol. 42, Is. 5. - P.475-477. - ISSN 10637850 (ISSN), DOI 10.1134/S1063785016050072
Примечания : Cited References: 9. - This work was supported by a grant of the Ministry of Science and Education of the Russian Federation, ID RFMEFI61314X0010, project no. 14.613.21.0010.
Предметные рубрики: Metallofullerenes
Plasma
Аннотация: A method for synthesis of carbon nanostructures in a high-frequency arc discharge in the flow of helium (3–4 L/min) is presented. It is shown that the plasma-chemical synthesis of fullerenes and endohedral metal fullerenes (EMFs) can be controlled by changing helium pressure in the chamber. Temperature and electron concentration along the line normal to the discharge axis decrease upon moving away from the axis to the periphery; the larger the pressure, the sharper is the decrease in these parameters. The optimal helium pressure of 98 kPa was found in obtaining the Gd@C82 EMF which corresponds to the maximal EMF yield of 5 wt %. © 2016, Pleiades Publishing, Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Churilov G. N., Nikolaev N. S., Shichalin K. V., Lopatin V. A.
Заглавие : A Plasma Generator with Magnetic Vortex Stabilization and Possibilities of Its Use
Место публикации : Tech. Phys. Lett. - 2018. - Vol. 44, Is. 12. - P.1226-1229. - ISSN 1063-7850, DOI 10.1134/S106378501901005X. - ISSN 1090-6533(eISSN)
Примечания : Cited References: 8
Аннотация: A design of a plasma generator, the parameters of the resulting plasma, and the possibilities of its use for the synthesis of nanosized powders and optical emission spectroscopy are described. The device operation is based on the arc discharge of alternating current (66 kHz) in an argon jet between water-cooled metal electrodes. The discharge is stabilized by a flow of isolating gas (helium, nitrogen, air) and an axial magnetic field. The gas flow is fed tangentially to the discharge axis. The plasma between the electrodes has the shape of a cylinder remote from the chamber walls. The temperature and electron concentration in the cross section of the plasma cylinder vary along the radius and take the maximum and minimum values.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulina N. V., Bondarenko G. V., Marachevsky A.V., Chekanova L. A., Prokof'ev D. E., Churilov G. N., Gromyko A. I.
Заглавие : About iron globules formed at cooling of iron-contained plasma
Место публикации : Phys. Metals Metallogr. - New York: MAIK Nauka/Interperiodica/Springer, 2006. - Vol. 102. - С. S94-S95. - ISSN 0031-918X, DOI 10.1134/S0031918X06140249
Примечания : Cited Reference Count: 4
Аннотация: This paper is devoted to the investigation of iron globules that are formed during cooling of the iron-carbon-helium plasma and as a result of destruction of a natural ball lightning. Scanning electron microscopy, X-ray fluorescence, X-ray diffraction, and ferromagnetic resonance investigations were carried out. The magnetization values of the samplers were determined.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Manakhov A., Fukova S., Necas D., Michlicek M., Ershov S., Elias M., Visotin M. A., Popov Z., Zajickova L.
Заглавие : Analysis of epoxy functionalized layers synthesized by plasma polymerization of allyl glycidyl ether
Место публикации : Phys. Chem. Chem. Phys. - 2018. - Vol. 20, Is. 30. - P.20070-20077. - ISSN 14639076 (ISSN), DOI 10.1039/c8cp01452c
Примечания : Cited References: 32. - Authors gratefully acknowledge the financial support of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST ‘‘MISiS’’ (K4-2016-005), implemented by a governmental decree dated 16th of March 2013, N 211. Authors also acknowledge the project CEITEC 2020 (LQ1601) with financial support from the Ministry of Education, Youth and Sports of the Czech Republic (MEYS CR) under the National Sustainability Programme II. Part of the work was carried out with the support of CEITEC Nano Research Infrastructure (MEYS CR, 2016–2019). MM is a Brno PhD Talent scholarship holder – funded by Brno city municipality.
Аннотация: The deposition of epoxide groups by plasma polymerization opens new horizons for robust and quick immobilization of biomolecules on any type of substrate. However, as of now there are just very few papers dealing with the deposition of epoxy layers by plasma polymerization, probably due to the high reactivity of this group leading to a low functionalization efficiency. In this work we carried out an extensive experimental and theoretical investigation of plasma synthesis of epoxide groups from a low pressure allyl glycydyl ether (AGE) plasma. The influence of composite parameter W/F and the working pressure on the density of epoxide groups and the layer stability was thoroughly addressed. It was found that by increasing the working pressure it is possible to sufficiently raise the concentration of epoxide groups. The composite parameter W/F was shown to be a crucial parameter in affecting the density of epoxides. An optimal value of W/F of around 2.3 eV per molecule leading to the highest density of epoxides produced in the process at 15 Pa was revealed through FT-IR and XPS findings. This value correlates well with the ab initio calculations suggesting that the lowest bond dissociation energy belongs to the C-O bond of the epoxide ring. Therefore, in order to increase the density of epoxides deposited by plasma polymerization, a precursor molecule containing at least two epoxide rings is strongly advised to be employed.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulina N. V., Lopatin V. A., Vnukova N. G., Osipova I. V., Churilov G. N., Krtschmer W.
Заглавие : Arc synthesis of silicon-doped heterofullerenes in plasma at atmospheric pressure
Место публикации : Fullerenes Nanotubes and Carbon Nanostructures: Marcel Dekker Inc., 2007. - Т. 15, № 5. - С. 395-400. - ISSN 1536-383X, DOI 10.1080/15363830701512229. - ISSN 1536-4046(eissn)
ГРНТИ : 31
РИНЦ
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavriliuk A. P., Isaev I. L., Karpov S. V., Krasnov I. V., Shaparev N. Y.
Заглавие : Brownian dynamic of laser cooling and crystallization of electron-ion plasma
Место публикации : Phys. Rev. E. - 2009. - Vol. 80, Is. 5. - Ст.56404. - ISSN 1539-3755, DOI 10.1103/PhysRevE.80.056404
Примечания : Cited References: 29
Предметные рубрики: ULTRACOLD NEUTRAL PLASMAS
OPTICAL MOLASSES
LIQUIDS
ATOMS
TRAP
Ключевые слова (''Своб.индексиров.''): brownian motion--laser cooling--plasma collision processes--plasma light propagation--plasma nonlinear processes--plasma simulation--plasma transport processes--brownian dynamics--brownian dynamics simulations--electron ion plasma--electron subsystem--friction force--ionic structure--nonlinear dependence--plasma cooling--brownian movement--crystallization--ions--laser cooling--lasers--cooling
Аннотация: Laser cooling and crystallization of electron-ion plasma is studied using the Brownian dynamics simulation technique and taking into consideration the interaction of ions with the electron subsystem. It has been shown that the nonlinear dependence of laser friction force on the velocity of ions has to be taken into account in order to simulate in an adequate manner the cooling dynamics and obtain a correct estimate for minimum temperatures. It has been found that times required for formation of an ordered ionic structure can be much longer than the typical plasma cooling time.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Gavrilyuk A. P., Isaev I. l., Karpov S. V., Krasnov I. V., Shaparev N. Ya.
Заглавие : Brownian dynamics of laser cooling of rarefied electron-ion plasma
Коллективы : Russian-Chinese symposium on laser physics and laser technologies
Место публикации : The 9-th Russian-Chinese symposium on laser physics and laser technologies: the Conference on lasers and laser technologies for students and young investigators (to the memory of professor N. A. Prilezhaeva, founder of Tomsk school of spectroscopic thought and laser physics) : 26-31 October, 2008, Tomsk, Russia : [proceedings]. - 2008. - p.2. - ISBN 5-94621-255-9
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Denisova E. A., Kuzovnikova L. A., Kuzovnikov A. A., Iskhakov R. S., Lepeshev A. A., Nemtsev I. V., Saunin V. N., Telegin S. V.
Заглавие : Bulk CoNiFe-SiB amorphous and nanostructured alloys produced by plasma spray deposition and dynamic compaction: formation of soft magnetic properties
Коллективы : International Conference on Magnetism
Место публикации : 20th Int. Conf. on Magnetism (ICM-2015): book of abstracts. - 2015. - Ст.TU.H-P55
Материалы конференции
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Denisova E. A., Kuzovnikova L. A., Iskhakov R. S., Kuzovnikov A., Lepeshev A. A., Nemtsev I. V., Saunin V. N., Telegin S. V., Bondarenko G. N., Mal'tsev V. K.
Заглавие : Bulk CoNiFe-SiB amorphous and nanostructured alloys produced by plasma spray deposition and dynamic compaction: formation of soft magnetic properties
Коллективы : International Conference on Magnetism
Место публикации : Phys. Procedia/ International Conference on Magnetism (20 ; 2015 ; Jul ; 5-10 ; Barselona, Spain): Elsevier, 2015. - Vol. 75. - P.1238-1243. - ISSN 1875-3892, DOI 10.1016/j.phpro.2015.12.136
Примечания : Cited References: 9. - This work was supported by Russian Foundation of Basic Research 15-08-06673 and RFBR-KRFS 15-42-04171
Ключевые слова (''Своб.индексиров.''): bulk nanostructured materials--dynamic compaction--plasma spray deposition--magnetic properties
Аннотация: The bulk nanostructured Co58Ni10Fe5B16Si11 alloys were prepared by dynamic compaction and plasma spray deposition techniques. The investigation of structure and magnetic properties of bulk samples was carried out by X-ray diffraction, electron microscopy and correlation magnetometry. The bulk samples produced by both methods can be characterized as a heterophase system. The highest value of permeability 20 · 103 for plasma spraying coating is achieved when volume fraction of nanocrystalline phase with Curie temperature Tc ∼ 640 K is increased to 30%. The magnetic characteristics, such as the saturation magnetization, the Bloch constant, the local magnetic anisotropy field, the ferromagnetic resonance linewidth, and the coercivity remain unchanged after both compaction techniques. It was shown that the plasma spraying method allows to obtain bulk magnetically soft materials with magnetic parameters that are not inferior to the characteristics of a thermally treated rapidly quenched ribbon with the same composition.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vnukova N. G., Dudnik A. I., Komogortsev S. V., Velikanov D. A., Nemtsev I. V., Volochaev M., Osipova I. V., Churilov G. N.
Заглавие : Carbon coated nickel nanoparticles produced in high-frequency arc plasma at ambient pressure
Коллективы : Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium, Институт физики им. Л.В. Киренского Сибирского отделения РАН
Место публикации : J. Magn. Magn. Mater.: Elsevier Science, 2017. - Vol. 440: EURO-Asian Symposium on Trends in Magnetism (EASTMAG) (AUG 15-19, 2016, Siberian Fed Univ, Krasnoyarsk, RUSSIA). - P.164-166. - ISSN 0304-8853, DOI 10.1016/j.jmmm.2016.12.142. - ISSN 1873-4766(eISSN)
Примечания : Cited References:10. - The work was supported by Ministry of Education and Science of Russia (Russian-Japanese joined project, Agreement No 14.613.21.0010, ID RFMEFI61314X0010).
Предметные рубрики: FULLERENES
NI3C
Ключевые слова (''Своб.индексиров.''): nanoparticles--carbon--nickel
Аннотация: The nickel particles with the mean size about 10-20 nm coated with carbon were extracted by the treatment of the carbon condensate with nitric and hydrochloric acids. The initial carbon condensate containing nickel nanoparticles with a graphite conversion was synthesized in the high-frequency carbon-helium arc plasma at ambient pressure with the nickel nanoparticles as a catalyst. The nickel content in the nanoparticles was 84.6 wt %. Magnetic properties of the nanoparticles are characterized by the high hysteresis and thermal stability. The sample of compacted nanoparticles is characterized by electrical resistance much higher than it in of compacted initial condensate.
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