It handles the most common ASCII text formats easily. If your instrument outputs raw data as two columns (Binding Energy vs. Counts), XPSEAK will eat it up. It is surprisingly agnostic to the brand of spectrometer (Thermo, PHI, Kratos), provided you convert the data to text first.
A Necessary Evil for Spectroscopists – Why XPSEAK Remains Essential Despite Its Age Rating: ★★★★☆ (4/5)
XPSPEAK 4.1: The Essential Guide and How to Download If you’ve spent any time analyzing X-ray Photoelectron Spectroscopy (XPS) data, you know that the raw output is only half the story. To get meaningful chemical information, you need reliable peak fitting software. While many modern instruments come with proprietary software, remains a legendary, lightweight, and free tool favored by researchers worldwide.
If you struggle to find a working XPSpeak download, or if it does not run on Windows 11 ARM systems, consider these modern alternatives (all free):
: Detailed user guides and manuals are available through the University of Warwick and HarwellXPS . Installation Steps