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Inorganic Materials

, Volume 41, Issue 9, pp 950–954 | Cite as

High-Pressure Structural Transformations of Carbyne

  • T. D. Varfolomeeva
  • S. V. Popova
  • A. G. Lyapin
  • V. V. Brazhkin
  • R. A. Sadykov
Article

Abstract

The structure of cumulenic carbyne samples is studied by x-ray diffraction after exposure to high temperatures and pressures (200–900°C, 7.7 GPa). The results indicate that, with increasing temperature, carbyne transforms from a highly disordered to x-ray amorphous state, with narrower diffuse bands. At high temperatures, a disordered graphite-like structure is formed, with a density substantially lower than that of graphite. The behavior of impurities during the structural transformation of carbyne is discussed.

Keywords

Graphite Inorganic Chemistry Structural Transformation Amorphous State Diffuse Band 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK "Nauka/Interperiodica" 2005

Authors and Affiliations

  • T. D. Varfolomeeva
    • 1
  • S. V. Popova
    • 1
  • A. G. Lyapin
    • 1
  • V. V. Brazhkin
    • 1
  • R. A. Sadykov
    • 1
  1. 1.Vereshchagin Institute of High-Pressure PhysicsRussian Academy of SciencesTroitsk, Moscow oblastRussia

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