Skip to main content
Log in

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

  • Letters to the Editor
  • Published:
Journal of Superhard Materials Aims and scope Submit manuscript

Abstract

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.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

References

  1. Douglas, B.E. and Ho, S.-M., Structure and Chemistry of Crystalline Solids, N.Y.: Springer, 2006.

    Google Scholar 

  2. Decke, B. F. and Kaspe, J. S., The Crystal Structure of a Simple Orthorhombic Form Boron, Acta Cryst., 1959, vol. 12, pp. 503–506.

    Article  Google Scholar 

  3. Hoard, J.L., Sullenger, D.B., Kennard, C.H. L., and Hughes, R.E., The Structure of Beta-Orthorhombic Boron, J. Solid State Chem., 1970, vol. 1, no. 2, pp. 268–277.

    Article  CAS  Google Scholar 

  4. Vlasse, M., Naslain, R., Kasper, J.S., and Ploog, K., Crystal Structure of Tetragonal Boron Related to α-AlB12, J. Solid State Chem., 1979, vol. 28, no. 3, pp. 289–301.

    Article  CAS  Google Scholar 

  5. Oganov, A.R., Chen J., Gatti C., et al., Ionic High-Pressure Form of Elemental Boron, Nature, 2008, manuscript 2007-01-00879, in press, pp. 1–4.

  6. Oganov, A.R. and Glass, C.W., Crystal Structure Prediction Using Ab Initio Evolutionary Algorithms: Principles and Applications, J. Chem. Phys., 2006, vol. 124, pp. 244704.

    Article  Google Scholar 

  7. Amberger, E. and Stumpf, W., Boron, Gmelin Handbook of Inorganic Chemistry, Berlin: Springer-Verlag, 1981, pp. 112–238.

    Google Scholar 

  8. Bolmgren, H., Lundström, T., and Okada, S., Structure Refinement of the Boron Suboxide B6O by the Rietveld Method, Boron-Rich Solids, Proc. AIP Conference, New York: American Institute of Physics, 1991, vol. 231, pp. 197–200.

    Google Scholar 

  9. Mukhanov, V.A., Kurakevych, O.O., and Solozhenko, V.L., Thermodynamic Aspects of Materials’ Hardness: Prediction of Novel Superhard High-Pressure Phases, High Press. Res., 2008, DOI: 10.1080/08957950802429052 (manuscript GHPR343073), pp. 1–7.

  10. Mukhanov, V.A., Kurakevych, O.O., and Solozhenko, V.L., The Interrelation between the Hardness and Compressibility of Substances and their Structure and Thermodynamic Properties, Sverkhtverdye Materialy, 2008, no. 6, pp. 10–22 [J. Superhard Materials, 2008, vol. 30, no. 6, pp. 368–378].

  11. Solozhenko, V.L., Le Godec, Y. and Kurakevych, O.O., Solid-State Synthesis of Boron Subnitride, B6N: Myth or Reality?, C. R. Chimie, 2006, vol. 9, nos. 11–12, pp. 1472–1475.

    CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

Original Russian Text © V.L. Solozhenko, O.O. Kurakevych, A.R. Oganov, 2008, published in Sverkhtverdye Materialy, 2008, Vol. 30, No. 6, pp. 84–85.

About this article

Cite this article

Solozhenko, V.L., Kurakevych, O.O. & Oganov, A.R. On the hardness of a new boron phase, orthorhombic γ-B28 . J. Superhard Mater. 30, 428–429 (2008). https://doi.org/10.3103/S1063457608060117

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.3103/S1063457608060117

Key words

Navigation