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Useful tool: IMFP calculator
- The IMFP of Ag 3d electrons (Kinetic energy = 1119.7 eV) travelling through an unknown mixed oxide matrix overlayer is determined to be 2.42 nm. What is the information depth of this system?
- This unknown sample is compared to a number of well defined standards. SiO2, TiO2 and Graphite overlayers are prepared atop a silver sample of equal thicknesses. If the IMFP of Ag 3d electrons through each is 3.18, 2.27 and 3.07 nm respectively, in what order should we expect to see an increasing intensity of our Ag 3d spectra (lowest to highest)?