OALib Journal期刊
ISSN: 2333-9721
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低温热处理CoN/CN软X射线多层膜的界面互扩散研究
, PP. 406-411
Keywords: 软X射线多层膜,掺杂,有效扩散系数,临界波长
Abstract:
在473—523K的低温退火条件下,通过对CoN/CN软X射线多层膜一级调制峰强度增强的定量观测,研究了CoN/CN软X射线多层膜的界面互扩散行为,并测得低至10-25m2s-1的有效扩散系数通过和Co/C多层膜的结果相比较,发现N掺杂使CoN/CN软X射线多层膜的界面互扩散行为明显不同于Co/C多层膜,并具有如下特点(1)有效扩散系数和宏观扩散系数较小;(2)扩散激活能较大;(3)临界波长相等Co—N,C—N之间存在的强化学键以及N原子的填隙,减小了结构弛豫和界面扩散这表明通过N掺杂有希望改善Co/C软X射线多层膜的结构热稳定性.
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