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柠檬树: 金币+10, 翻译EPI+1, ★★★★★最佳答案, 谢谢你对我帮助太大了，都觉得可以把你写进毕业论文啦 2013-05-10 14:43:50

in order to determine the composition and chemical states of the interface, the depth of the interfacial layer has to be within the XPS detectable limitation R =3λsinα,[11] where λ is the inelastic mean-free paths (IMFPs) of (for) photoelectrons and α is the takeoff angle of photoelectrons respect to the sample's surface plane. The IMFPs can be calculated according to the reports of Tanuma et al.[12] In the case that the Al Kα is used as the radiation source, the IMFPs for Fe 2p in Fe, Ni 2p in Ni and Mg 1s in Mg are 1.34, 1.07 and 0.81 nm, respectively.

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