key phrases used to define this new list of keywords

electron spectroscopy for chemical analysis (ESCA)
x-ray photoelectron spectroscopy (XPS, XP spectroscopy)
material characterization
material analysis
material science
surface science
surface chemical analysis
charge control
high energy resolution spectrum
data processing software
data reduction software
data analysis software
XPS database of spectra
XPS spectra database
XPS peak fit fitting
XPS curve fit fitting
XPS data reduction
XPS peak width
XPS FWHM
XPS binding energy
XPS signal
FWHM of XPS peak
chemical state analysis by XPS or ESCA
charge control in XPS