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Synthesis of Microcrystals of Heavy-Boron-Doped Diamond and BC3-Heterodiamonds at High Pressures and Temperatures

Authors
  • Zinin, P. V.1
  • Filonenko, V. P.2
  • Zibrov, I. P.2
  • Anokhin, A. S.3
  • Kukueva, E. V.4
  • Lyapin, S. G.2
  • Kutuza, I. B.1
  • 1 Russian Academy of Sciences, Scientific and Technological Center for Unique Instrument Building, Moscow, Russia , Moscow (Russia)
  • 2 Russian Academy of Sciences, Vereshchagin Institute of High-Pressure Physics, Troitsk, Russia , Troitsk (Russia)
  • 3 Russian Academy of Sciences, A. A. Baikov Institute of Metallurgy and Materials Science, Moscow, Russia , Moscow (Russia)
  • 4 National Research Center – Kurchatov Institute, Moscow, Russia , Moscow (Russia)
Type
Published Article
Journal
Glass and Ceramics
Publisher
Springer US
Publication Date
Mar 23, 2019
Volume
75
Issue
11-12
Pages
441–445
Identifiers
DOI: 10.1007/s10717-019-00108-3
Source
Springer Nature
Keywords
License
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Abstract

The results of the synthesis and analysis of diamond crystals with heavy boron doping (about 2%), which were obtained from mixtures of gas black with m-carborane at 8 GPa and 1873 K, are presented. A high boron concentration in the diamond lattice was confirmed by x-ray data and the characteristic Raman scattering spectra, which correspond to diamond with metallic conductivity. Thermobaric treatment of the diamond-like dl-BC3 phase (1100 K, 25 GPa) results in the formation of BC3-heteronanodiamond.

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