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Peculiarities of the Twinning in Silicon during Ball Milling in the Presence of Two Different Materials

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Technological Institute for Superhard and Novel Carbon Materials, 108840, Centralnaya Str. 7a, Troitsk, Moscow 108840, Russia
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Department of Molecular and Chemical Physics, Moscow Institute of Physics and Technology State University, 141700, Institutskiy Per. 9, Dolgoprudny, Moscow 141700, Russia
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M.V.Lomonosov Moscow State University, Leninskie Gory 1, Moscow 119991, Russia
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Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology MISiS, 119049, LeninskiyProspekt 4, Moscow 119049, Russia
*
Author to whom correspondence should be addressed.
Symmetry 2018, 10(6), 200; https://doi.org/10.3390/sym10060200
Received: 10 May 2018 / Revised: 30 May 2018 / Accepted: 31 May 2018 / Published: 2 June 2018
(This article belongs to the Special Issue Twinned Crystals)
The structure of silicon, along with mixtures of silicon and boron carbide (B4C) powders and silicon and diamond powders with different proportions after mechanoactivation, has been studied by transmission electron microscopy (TEM) methods. It was shown that silicon and boron carbide experience twinning according to the known twinning mechanisms. In addition to the initial phase with a diamond lattice, the particles of two other phases were detected for silicon, including: the Kasper phase (SiIII) and lonsdaleite (SiIV). We established that the phase transformations in silicon can happen due to different mechanisms. View Full-Text
Keywords: silicon; mechanoactivation; Kasper phase; TEM; lonsdaleite silicon; mechanoactivation; Kasper phase; TEM; lonsdaleite
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Kulnitskiy, B.A.; Perezhogin, I.A.; Popov, M.Y.; Ovsyannikov, D.A.; Blank, V.D. Peculiarities of the Twinning in Silicon during Ball Milling in the Presence of Two Different Materials. Symmetry 2018, 10, 200.

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