N_2^+、N^+与Cu基底中α-Fe纳米颗粒相互作用的穆斯堡尔谱研究  

Interaction of N_2^+ and N^+ ions with α - Fe nanoparticles in copper film studied by Mossbauer spectroscopy

作　　者：李爱国 倪新伯 蔡英文 张桂林[1] 

机构地区：[1]中国科学院上海原子核研究所,上海20188

出　　处：《核技术》2001年第2期139-143,共5页Nuclear Techniques

摘　　要：利用穆斯堡尔方法研究了Ｎ２＋、Ｎ＋与 Ｃｕ基底中α－Ｆｅ纳米颗粒相互碰撞和碰撞后的热动力学过程。实验结果表明，Ｎ２＋与α－Ｆｅ纳米颗粒的相互作用存在着明显的非线性，即Ｎ２＋与α－ Ｆｅ纳米颗粒的碰撞截面，远大于 Ｎ＋与α－ Ｆｅ纳米颗粒的碰撞截面。The interaction of N2+, N+ ions with α - Fe nanoparticles in copper film has been studied by Mossbauer spectroscopy. The results showed that there was obviously non -- liner effect in N2+ ion implantion. In the present study, the processes of thermodynamics for collision and after collision of N2 + and N + ions with α - Fe nanoparticles have also been investigated.

关 键 词：离子注入 非线性 穆斯堡尔谱 碰撞热动力学 相互作用 氮分子离子 氮离子 铜 α-铁纳米颗粒 

分 类 号：TG174.444[金属学及工艺—金属表面处理] O481.4[金属学及工艺—金属学]