Comment on "Superhard Semiconducting Optically Transparent High Pressure Phase of Boron"

Abstract

This Comment points out a number of errors in the recent paper by Zarechnaya, Dubrovinskaia, Dubrovinsky, et al. (Phys. Rev. Lett. 102, 185501 (2009)). Results and conclusions presented by Zarechnaya et al. (2009) are either incorrect or have been presented before.

This Comment points out a number of errors in the recent paper by Zarechnaya, Dubrovinskaia, Dubrovinsky et al. (Phys. Rev. Lett. 102, 185501). It was submitted on 1 June 2009. The Comment was not recommended for publication (decision of 14 August 2009), largely because errors of the Zarechnaya paper can be easily detected by the readers