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金属学报  2001, Vol. 37 Issue (2): 121-126     
  论文 本期目录 | 过刊浏览 |
非理想软X射线光学多层膜的掠入射镜向反射率
白海力  何忠杰  田仁玉  姜恩永
天津大学理学院应用物理学系;天津300072
引用本文:

白海力; 何忠杰; 田仁玉; 姜恩永 . 非理想软X射线光学多层膜的掠入射镜向反射率[J]. 金属学报, 2001, 37(2): 121-126 .

全文: PDF(313 KB)  
摘要: 对实际软X射线光学多层膜中普遍存在的主要非理想因素(层厚漂移、界面粗糙度和界面扩散)进行了定量描述基于动力学光学理论,计算了上述非理想因素对软X射线光学多层膜的掠入射镜向反射率的影响结果表明:层厚的随机漂移使反射率、尤其是高级反射率降低;累积层厚漂移破坏了多层膜的长程有序性,使反射峰展宽;界面扩散和界面粗糙度使反射率降低,对高级反射率的影响更甚,但二者并不破坏多层膜的长程有序性,所以反射峰的宽度不变;界面扩散和界面粗糙度对反射率影响的机制不同;在界面扩散宽度和界面粗糙度相等的情况下,界面粗糙度使反射率下降显著用模拟退火Monte-Carlo方法对Co/C软X射线光学多层膜进行了结构评价.该方法能避免复杂的求导运算,在软X射线光学多层膜的结构评价中具有较强的实用性.
关键词 软X射线光学多层膜层厚漂移界面粗糙度    
Key words
收稿日期: 2000-07-25     
ZTFLH:  O485  
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