Journal of Superhard Materials

, Volume 30, Issue 6, pp 428–429 | Cite as

On the hardness of a new boron phase, orthorhombic γ-B28

  • V. L. Solozhenko
  • O. O. Kurakevych
  • A. R. Oganov
Letters to the Editor


Measurements of the hardness of a new high-pressure boron phase, orthorhombic γ-B28, are reported. According to the data obtained, γ-B28 has the highest hardness (∼ 50 GPa) of all known crystal-line modifications of boron.

Key words

orthorhombic boron hardness 


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Copyright information

© Allerton Press, Inc. 2008

Authors and Affiliations

  • V. L. Solozhenko
    • 1
  • O. O. Kurakevych
    • 1
  • A. R. Oganov
    • 2
  1. 1.LPMTM-CNRSUniversité Paris NordParisFrance
  2. 2.Department of MaterialsETH ZürichZürichSwitzerland

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