金刚石大单晶中氮原子对的形成机制研究

摘要

The synthesis of high nitrogen concentration diamond single crystal under higher pressure and higher temperature by the addition of carbonyl nickel powders in the traditional Fe64Ni36-C system was investigated. The typical diamond samples were measured by Fourier Infrared Spectra (FTIR). Furthermore, the nitrogen concentrations of the diamond crystals were valuated and the formation mechanism of nitrogen atoms pairs in diamond structures were analyzed, respectively.%在高温高压条件下,通过在传统的Fe64Ni36-C金刚石大单晶合成体系中添加羰基镍粉,研究了高氮浓度金刚石大单晶的合成.使用傅里叶红外光谱(FTIR)对典型的金刚石样品进行了测试,对其内部氮浓度含量进行了计算,并对金刚石内部氮原子对的形成机制进行了分析.