Communication

Creation of Nanostuctures by Extreme Conditions: High-Pressure Synthesis of Ultrahard Nanocrystalline Cubic Boron Nitride

  1. Vladimir L. Solozhenko1,*,
  2. Oleksandr O. Kurakevych2,
  3. Yann Le Godec2

Article first published online: 23 FEB 2012

DOI: 10.1002/adma.201104361

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 12, pages 1540–1544, March 22, 2012

Additional Information

How to Cite

Solozhenko, V. L., Kurakevych, O. O. and Le Godec, Y. (2012), Creation of Nanostuctures by Extreme Conditions: High-Pressure Synthesis of Ultrahard Nanocrystalline Cubic Boron Nitride. Adv. Mater., 24: 1540–1544. doi: 10.1002/adma.201104361

Author Information

  1. 1

    LSPM–CNRS, Université Paris Nord, 99 avenue J.-B. Clément, 93430 Villetaneuse, France

  2. 2

    IMPMC, Université P&M Curie, 4 place Jussieu, 75005 Paris, France

*LSPM–CNRS, Université Paris Nord, 99 avenue J.-B. Clément, 93430 Villetaneuse, France.

Publication History

  1. Issue published online: 15 MAR 2012
  2. Article first published online: 23 FEB 2012
  3. Manuscript Received: 14 NOV 2011

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Keywords:

  • nanostructured materials;
  • boron nitride;
  • superhard materials;
  • high pressure synthesis
Thumbnail image of graphical abstract

The synthesis of high-purity bulk nanostructured cubic boron nitride (cBN) at 20 GPa and 1770 K by direct phase transformation of graphite-like BN with an “ideal random layer” structure is reported. The two-times increase of hardness of nano-cBN (HV = 85 GPa) with respect to conventional polycrystalline cBN (HV ∼ 45 GPa) is evidently a result of nanosize effects.

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