Pressure-induced structural transition and thermodynamic properties of NbN and effect of metallic bonding on its hardnessZhen-Hua Wang, Xiao-Yu Kuang, Xiao-Fen Huang, Peng Lu and Ai-Jie MaoEPL, 92 5 (2010) 56002DOI: https://doi.org/10.1209/0295-5075/92/56002