Výsledky vyhledávání - "Ye. V. Tomashevich"

Obtaining particles with the structure Mg@C and (Mg@C)@Pd, their properties and stability in the hydrogenation/dehydrogenation processes

Autor: Ye. V. Tomashevich, Nikita S. Nikolaev, V.G. Isakova, Grigory N. Churilov, Gari A. Glushenko, V.I. Еlesina

Publikováno v: International Journal of Hydrogen Energy. 47:7299-7309

In this work, we studied the change in the properties of powders with a core (magnesium) – shell structure (carbon and carbon/palladium) in the process of hydrogenation/dehydrogenation with hydrogen (99.995 wt%). Magnesium powders were obtained by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ff3fee4efa5cd4274fbf3a32b2ed838
https://doi.org/10.1016/j.ijhydene.2021.03.042

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Processing of Detonation Diamonds with Metal-Containing High-Frequency Arc Plasma and Their Properties

Autor: E. A. Petrakovskaya, A. M. Zhizhaev, Gari A. Glushenko, N. G. Vnukova, I. V. Osipova, A. S. Chiganov, Andrey L. Kolonenko, Grigory N. Churilov, Ye. V. Tomashevich

Publikováno v: Fullerenes, Nanotubes and Carbon Nanostructures. 20:611-615

This paper describes coating of diamond powder with metal by plasma. Arc plasma was generated in double jet high-frequency argon-operated plasmatron with atomized metal inserts. The diamond powder was added to the plasma in a flow of helium. Copper a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb38f94c54214a8ef53e7b4ee3b0a118
https://doi.org/10.1080/1536383x.2012.657014

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Hydrogenation of the nanopowders that form in a carbon-helium plasma stream during the introduction of Ni and Mg

Autor: Zakhar I. Popov, Ye. V. Tomashevich, G. A. Glushchenko, Alexander S. Fedorov, S. N. Vereshchagin, A. M. Zhizhaev, Grigory N. Churilov, I. V. Osipova, A. V. Cherepakhin, Natalia V. Bulina

Publikováno v: Journal of Experimental and Theoretical Physics. 113:1057-1062

Composite nanoparticles consisting of magnesium, nickel, and carbon atoms are studied both theoretically and experimentally. The calculations performed in terms of the density functional theory show that the jump frequency of hydrogen atoms in nickel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::faa173de5160c56c776979171c79d9e5
https://doi.org/10.1134/s1063776111140135

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Influence of Acoustic and Magnetic Fields on the Formation of Fullerenes and Nanotubes in Carbon-Helium High-Frequency Plasma Under Atmospheric Pressure

Autor: Grigory N. Churilov, Alexander S. Krylov, I. V. Osipova, Ye. V. Tomashevich, V. A. Lopatin, E. A. Petrakovskaya, P. V. Novikov

Publikováno v: Fullerenes, Nanotubes and Carbon Nanostructures. 18:584-589

In this work, the results of spectral characteristics of carbon-helium plasma of high-frequency arc with low-frequency modulation under atmospheric pressure have been presented. Also, the results of investigations of fullerenes, nanotubes and nanopar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5eccc7209d8f982b52af634d86d483b4
https://doi.org/10.1080/1536383x.2010.488588

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XAS and XPS examination of the Au–S nanostructures produced via the reduction of aqueous gold(III) by sulfide ions

Autor: S. B. Érenburg, Maxim Likhatski, S. V. Trubina, Yu. L. Mikhlin, Ye. V. Tomashevich, Alexander Romanchenko

Publikováno v: Journal of Electron Spectroscopy and Related Phenomena. 177:24-29

The S L- and Au L 3 -edge X-ray absorption fine structure and X-ray photoelectron spectra of nanoscale Au–S products formed via the reduction of aqueous HAuCl 4 by sulfide ions and immobilized onto graphite have been acquired. The TEY XANES and XPS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a809d57d84a689523c7b419566f2485
https://doi.org/10.1016/j.elspec.2009.12.007

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Pristine and reacted surfaces of pyrrhotite and arsenopyrite as studied by X-ray absorption near-edge structure spectroscopy

Autor: Ye. V. Tomashevich, Yu. L. Mikhlin

Publikováno v: Physics and Chemistry of Minerals. 32:19-27

Fe L-, S L-, and O K-edge X-ray absorption spectra of natural monoclinic and hexagonal pyrrhotites, Fe1-xS, and arsenopyrite, FeAsS, have been measured and compared with the spectra of minerals oxidized in air and treated in aqueous acidic solutions,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f75c3c66bef8984060fc032ce245a5d
https://doi.org/10.1007/s00269-004-0436-5

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Electronic structure of the non-equilibrium iron-deficient layer of hexagonal pyrrhotite

Autor: Igor P. Asanov, Alexander V. Okotrub, G. L. Pashkov, Yu. L. Mikhlin, Ye. V. Tomashevich, L. N. Mazalov

Publikováno v: Applied Surface Science. 125:73-84

Natural hexagonal pyrrhotite before and after 1M HCl leaching has been studied, and X-ray and UV photoelectron, X-ray emission S K α, S K β, S L 2,3 , Fe L α and S K absorption spectra have been recorded and analyzed in conjunction with earlier re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12b67312d78097d91e799e65dc78f1be
https://doi.org/10.1016/s0169-4332(97)00386-3

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Small Size Particles of Different Metal Alloys with Protective Shell for Hydrogen Storage

Autor: I. V. Osipova, Zakhar I. Popov, A. M. Zhizhaev, Alexander S. Fedorov, Ye. V. Tomashevich, Gari A. Glushenko, A. V. Cherepahin, Grigory N. Churilov, S. N. Vereshchagin

Publikováno v: Carbon Nanomaterials in Clean Energy Hydrogen Systems-II ISBN: 9789400708983

The work presents both theoretical and experimental studies of Mg–C, Ni–C, Mg–Ni–C composites. The composites were produced in carbon-helium plasma flow. The composites were hydrogenised directly in synthesis process. Out of three composites

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bfa60e87e74c9ae0cb23167ddaf4926
https://doi.org/10.1007/978-94-007-0899-0_14

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