(XPS)-2 - Washington State University

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Quantitative Analysis (cont.)Sx=( A+ B)AIIxAg(pure)Where I xis the amplitude of the known compound, (A+B)/A is the 1 /fraction of X atoms and I x/ I Agthe ratio of peak to peak amplitudes.THEN from an unknown sample: C x= I x/ I Ag. S x= concentrationOR to make it self consistent C x=(I x/S x)/∑ a (I a/S a)where I xand I aare measured and S xand S aas mentioned aboveare obtained from standards
Deconvolution of Si 2p spectrum<strong>XPS</strong>Peak41 (free software)
Page 5 and 6: Six features seen in a typical XPS
Page 7 and 8: F 1s peakSharp Peak (core level)O 1
Page 9 and 10: Vacancy created by photoionization
Page 11 and 12: Shake-up satellites: distinct peaks
Page 13 and 14: Auger featuresAuger electron emissi
Page 15 and 16: x 10 3Oxidized surfaces12Cr 2p ---d
Page 17 and 18: Chemical BondingThe curve fitting o
Page 19 and 20: Intensity ratio is given by (2j - +
Page 21: Static Charging (cont.)Auger: Sampl
Page 24 and 25: Peak Widths and IntensitiesPeak wid

(XPS)-2 - Washington State University

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