Resource list


Following resources come from Kavli Nanoscience Institute at Caltech. We thank Matthew Hunt for his generous support.



CasaXPS processing software offers powerful analysis techniques for both spectral and imaging data. The system originally designed for XPS and Auger data now offers features covering a wide range of analytical techniques including ToF SIMS, dynamic SIMS and many more. For detailed introduction please visit the following link:

CasaXPS introduction

CasaXPS eBooks

The registered XPS users can download the software from the following link 

CasaXPS software download (new version released in 2023)

and send email request to Min Li ( at for username and license key as required for license update. The registration window can be found by clicking “Help” and selecting “About CasaXPS” in the dropdown menu in the software toolbar.

CasaXPS Manuals and Videos download

CasaXPS Training Videos and Events

Introduction to XPS (25 minutes in length)

Curve Fitting and Sucrose (9:42 minutes in length)

Introduction to Peak Models and Line Shapes (35 minutes in length)

Some useful links:

XPS Fitting Reference Pages (

Webinar Curve Fitting in XPS by Physical Electronics (YouTube)

NIST X-ray Photoelectron Spectroscopy Database

XPS Simplified (

UPS: Work Function measurement

Concerns on using C1s for spectral calibration (Angew. Chem. Int. Ed. 2020, 59, 5002 – 5006)

UCDavis ChemWiki

Analysis method comparison