Once XPS Peak 4.1 opens, you’ll see a vintage interface: menu bar, blank canvas, and a control panel titled “Data Processing.”

: The tool is often used by materials scientists to prepare graphs for academic publications. Download & Installation Guide

is a widely used, lightweight freeware application designed for visualizing and fitting X-ray Photoelectron Spectroscopy (XPS) data. Originally developed by Raymund Kwok, this Windows-based program remains a staple in materials science for its ability to deconvolute overlapping signals and quantify chemical states through a user-friendly interface. Key Features of XPSPeak 4.1

Downloading the XPSPEAK41 software: Go to the following webpage www.wsu.edu/~scudiero 1. Double click on it or use “save targe. Washington State University XPS PEAK - University of Warwick