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本文报道了一种分析硅衬底上SiNx和SiOx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2.1MeVHe的背散射分析(RBS)结果符合得很好;对微米以上厚度样品,MeVH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。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.
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