XPSPeak 4.1 is a widely used, lightweight Windows application designed for the visualization and curve-fitting of X-ray photoelectron spectroscopy (XPS) data. Originally developed by Raymund Kwok, it remains a popular choice for materials scientists and researchers due to its ability to handle complex deconvolution tasks at no cost. Key Features of XPSPeak 4.1
The software provides a suite of interactive tools aimed at transforming raw spectral data into quantifiable chemical information:
Sites like Software Informer provide archived versions of the executable.
Finding a reliable download source is crucial as the original official host site has occasionally gone offline. Researchers often rely on institutional repositories or reputable software mirrors:
A powerful commercial standard for XPS analysis. While paid, it offers a demo version with full fitting features but limited export capabilities.
XPSPeak 4.1 typically comes as a compressed file or a "cabinet" file. Follow these steps for a clean setup:
Supports common methods such as Shirley, linear, and Tougaard backgrounds.
Many universities host the installer and manual, such as the University of Warwick or Washington State University .