http://en.wikipedia.org/wiki/X-ray_photoelectron_spectroscopy
Here is a little about XPS, AES, ESCA, UPS
http://www.lasurface.com/accueil/index.php
Which of the following spectroscopies is/are suitable for studying materials on surfaces?
A. IR and UV/V
B. UV/V
C. NMR
D. XPS and UPS
2 answers
The answer is D.