, Volume 30, Issue 6, pp 428-429
Date: 09 Jan 2009

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

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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.

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.