The results show that the specific resistance of the boron-doped diamonds significantly decreased with the increase of boron concentration and to be a semiconductor.
结果表明：随着触媒中碳化硼添加量的增加，含硼金刚石单晶的电阻率降低，可呈现半导体电阻特性。
2
Pure crystalline boron is a black, lustrous, very hard but brittle semiconductor that does not occur naturally.
纯晶态硼为黑色有光泽的半导体，硬度很高。
3
A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.