On the nature of chemical bonding in γ-boron

The high-pressure phase of boron, γ-B28: Disputes and conclusions of 5 years after discovery

(2011) A. R. Oganov et al.   Journal of Superhard Materials

Large shear strength enhancement of gamma-boron by normal compression

(2011) X. -F. Zhou et al.   Journal of Superhard Materials

The α and β forms of oxalic acid di-hydrate at high pressure: a theoretical simulation and a neutron diffraction study

(2010) Piero Macchi et al.   CRYSTENGCOMM

Structure and Bonding of γ-B28: Is the High Pressure Form of Elemental Boron Ionic?

(2010) Ulrich Häussermann et al.   INORGANIC CHEMISTRY

Ionic high-pressure form of elemental boron

(2009) Artem R. Oganov et al.   NATURE

Transparent dense sodium

(2009) Yanming Ma et al.   NATURE