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硅化物薄膜的质子弹性散射分析
MeV PROTON ELASTIC BACKSCATTERING ANALYSIS OF SiN_x/Si AND SiO_x/Si FILMS
【摘要】 本文报道了一种分析硅衬底上SiN_x和SiO_x的N/Si和O/Si含量比的简便方法。用1.95MeV质子弹性散射测量薄膜(9000—15000)的组分比和厚度,实验值与2.1MeV He的背散射分析(RBS)结果符合得很好;对微米以上厚度样品,MeV H束分析更为有利,这是与He束背散射分析互补的一种方法。文中给出了实验结果,并进行了讨论。
【Abstract】 A simple method for the analysis of concentration ratios N/Si and O/Si in SiNx/Si and SiOx/Si is presented. 1.95 MeV H beam elastic backscattering was used to determine the composition and thickness. A comparison with 2.1 MeV He beam Rutherford backscsttering (RBS) is given. It provides a complementary analysis technique. A brief discussion on results is given.
- 【文献出处】 物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,1992年12期
- 【被引频次】3
- 【下载频次】28