Google Sites
https://xpsdatabase.net/
https://www.thermofisher.com/in/en/home/materials-science/learning-center/periodic-table/transition-metal.html
https://xpslibrary.com/bad-peak-fits-explained/
https://youtu.be/wM98fAflkDQ
Google drive link for XPS books-
Access a comprehensive digital reference for X-ray Photoelectron Spectroscopy (XPS) peak fitting analysis. This interactive Google Sites resource combines video tutorials and reference materials to help you master XPS data interpretation.