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[求助] XPS中饿歇谱参数

在XPS中,对于银来说,通过Modified Auger parameter (α)可以确定银的化学态:α是3d5/2的光电子结合能与与M4N45N45饿歇动能之和,其中3d5/2从文献说的意思来看,应该直接能从光电子能谱中可以拟合出来;而不晓得怎么求Auger kinetic energy(饿歇动能,这里指M4N45N45);因为饿歇谱由M5N45N45峰与M4N45N45共同组成)
这是求M4N45N45饿歇动能的公式: KE(M4N45N45 :G4) = E(M5) − 2E(N4,5) − Ueff;
下面是文献原文:
where E(N4,5) is the position of the 4d band, E(M5) the binding energy of M5 level and Ueff is the effective Coulomb interaction between the two holes in the 4d band. Assuming the Fermi level as the reference of energy scale, we calculated the Ueff for bulk silver as 9.1 eV for peak ‘e’ (dominantly 1G4) considering E(N4,5) as 3.5 eV [22]. Similarly, Ueff for the as-exchanged silver was found to be 11.5 eV considering the kinetic energy of Auger transition referred in Table 3.
哪位懂的能说一下嘛!
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