The XPS spectra of 3d Ag exhibit two characteristic peaks at binding energies around 367 eV and 373 eV. However, it also reveals two small satellite peaks near these characteristic peaks. Is the origin of these peaks known?
The satellites are characteristic for metallic Ag:
https://www.thermofisher.com/de/de/home/materials-science/learning-center/periodic-table/transition-metal/silver.html
Maybe this is also interesting for you:
Article Quantitative analysis of satellite structures in XPS spectra...
Jürgen Weippert Thank you! In my PhD I worked on theoretical features of photoemission in metals. In this work, a small satellite peak is expected near the characteristic peaks. I found these candidate peaks in the Ag 3d spectra. Now, I'm investigating whether these satellite peaks have an understood physical process behind them. I'm also searching for other satellite peaks similar to these in Ag/Au. Do you know of any other materials that these satellite peaks appear near the main peak?
You have already familiarized yourself with the concepts of shake-up features, I assume?
If not, check out the references herein:
http://www.xpsfitting.com/2012/08/shake-up-structure.html
I just looked a little, presumably you already know this work?
Article Theoretical explanation of the XPS satellite structure of el...
Jürgen Weippert thanks for the references! Yes, I am familiar with shake-up effect, but still these references were very helpful. Thanks again!
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