A conducting diamond-like superhard BC3 crystal was designed. The hardness of t-BC3 was predicted to be 79.0 GPa exceeding that of cubic BN.

• 设计了一种类金刚石结构导电的BC3超硬材料，预测t-BC3晶体的硬度为79.；0 GPa，高于立方氮化硼的硬度;