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Crystals 2018, 8(12), 448; https://doi.org/10.3390/cryst8120448

Synthesis of Star-Shaped Boron Carbide Micro-Crystallites under High Pressure and High Temperatures

1
Institute for High Pressure Physics, Russian Academy of Sciences, 108840 Troitsk, Moscow, Russia
2
Scientific-Technological Center of Unique Instrumentation, Russian Academy of Sciences, 117342 Moscow, Russia
3
Institute of Metallurgy and Materials Science, Russian Academy of Sciences, 119991 Moscow, Russia
4
National Research Center, Kurchatov Institute, 123182 Moscow, Russia
5
Institute of Laser and Plasma Technologies, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
*
Author to whom correspondence should be addressed.
Received: 1 November 2018 / Revised: 21 November 2018 / Accepted: 28 November 2018 / Published: 30 November 2018
(This article belongs to the Section Crystal Engineering)
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Abstract

We synthesized star-shaped pentagonal microcrystals of boron carbide with an extremely low carbon content (~5%), from m-carborane under high pressure (7 GPa) and high temperature (1370–1670 K). These crystals have five-fold symmetry and grow in the shape of stars. A 5-fold symmetry in large micron-sized crystals is extremely rare making this a striking observation. View Full-Text
Keywords: boron carbide; star-shaped; high pressure synthesis; quasicrystal boron carbide; star-shaped; high pressure synthesis; quasicrystal
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Filonenko, V.P.; Zinin, P.V.; Zibrov, I.P.; Anokhin, A.S.; Kukueva, E.V.; Lyapin, S.G.; Fominski, V.Y. Synthesis of Star-Shaped Boron Carbide Micro-Crystallites under High Pressure and High Temperatures. Crystals 2018, 8, 448.

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