Toward the ultra-incompressible carbon materials. computational simulation and experimental observation

Yu A. Kvashnina, A. G. Kvashnin, M. Yu Popov, B. A. Kulnitskiy, I. A. Perezhogin, E. V. Tyukalova, L. A. Chernozatonskii, P. B. Sorokin, V. D. Blank

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


The common opinion that diamond is the stiffest material is disproved by a number of experimental studies where the fabrication of carbon materials based on polymerized fullerenes with outstanding mechanical stiffness was reported. Here we investigated the nature of this unusual effect. We present a model constituted of compressed polymerized fullerite clusters implemented in a diamond matrix with bulk modulus B0 much higher than that of diamond. The calculated B0 value depends on the sizes of both fullerite grain and diamond environment and shows close correspondence with measured data. Additionally, we provide results of experimental study of atomic structure and mechanical properties of ultrahard carbon material supported the presented model.

Original languageEnglish
Pages (from-to)2147-2152
Number of pages6
JournalJournal of Physical Chemistry Letters
Issue number11
Publication statusPublished - 4 Jun 2015
Externally publishedYes


  • bulk modulus
  • elastic stiffness
  • polymerized fullerite
  • tisnumit


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