激光烧蚀等离子体与氮离子束反应生成C_nN_m^-的质谱研究

Mass Spectrometric Study of C nN - m Generated by the Reaction of a Laser Ablated Plume with a Nitrogen Ion Beam

采用飞行时间（ＴＯＦ）质谱（ＭＳ）方法，研究脉冲ＹＡＧ激光烧蚀石墨产生的碳团簇与氮原子离子束的空间反应，发现了一系列ＣｎＮ－ｍ团簇产物。对碳氮复合团簇负离子在空间形成的机理进行了分析。

Reaction of an atomic nitrogen ion beam with carbon clusters generated by pulsed laser ablation of graphite was studied by time of flight mass spectrometry. A series of C n N - m clusters were detected. The mechanism of the formation of the negative ions of the carbon nitride clusters was discussed.