Journal of Superhard Materials

, Volume 30, Issue 6, pp 428–429

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


  • V. L. Solozhenko
    • LPMTM-CNRSUniversité Paris Nord
  • O. O. Kurakevych
    • LPMTM-CNRSUniversité Paris Nord
  • A. R. Oganov
    • Department of MaterialsETH Zürich
Letters to the Editor

DOI: 10.3103/S1063457608060117

Cite this article as:
Solozhenko, V.L., Kurakevych, O.O. & Oganov, A.R. J. Superhard Mater. (2008) 30: 428. doi:10.3103/S1063457608060117


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 boronhardness

Copyright information

© Allerton Press, Inc. 2008