用X射线反射测量法表征双层结构中低原子序数材料的特性(英文)

被引:5
作者
徐垚
王占山
徐敬
张众
王洪昌
朱京涛
王风丽
王蓓
秦树基
陈玲燕
机构
[1] 同济大学精密光学工程技术研究所
关键词
X射线衍射仪; 低原子序数材料; 反射率测试; 薄膜;
D O I
暂无
中图分类号
TN304 [材料];
学科分类号
0805 ; 080501 ; 080502 ; 080903 ;
摘要
介绍了用X射线反射测量术表征双层薄膜中低原子序数材料特性的方法。由于低原子序数材料的光学常数与Si基板材料的光学常数非常接近,用X射线反射法确定镀制在Si基板上的低原子序数材料膜层结构的变化十分困难,因此,提出了在镀制低原子序数材料前,首先在基板上镀制一层非常薄的金属层的方法。实验中,选用Cr作为金属层材料,制备并测试了三种不同C膜镀制时间的Cr/C双层薄膜。反射率曲线拟合结果表明,C膜密度约为2 .25 g/cm3,沉积速率为0 .058 nm/s。
引用
收藏
页码:1838 / 1843
页数:6
相关论文
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