Surperhard monoclinic BC6N allotropes: First-principles investigations
Qu Nian-Rui1, Wang Hong-Chao1, Li Qing1, Li Yi-Ding1, Li Zhi-Ping1, †, Gou Hui-Yang2, Gao Fa-Ming1, ‡
       

Electronic band structures (left panel) and density of states (right panel) of (a) Cm-BC6N and (b) Pm-BC6N. The energy is measured from the valence top.