FWHM = Peak-width  versus Electron Count Rate

 



 

FWHM versus Electron Count-rate 

 

 



 

PE = 50 eV for MgO versus Mg ion etched pure metal

 

 



Core hole lifetime
Lifetime broadening
Configuration interaction
Gauss-Lorentz ratio
Peak-shapes
Voigt function
Asymmetry types
Trends
Effect of diff charging
Effect of ion beam
Angle effects – SCLS
Crystallinity
Half-Width at Half-Maximum (HWHM) Siegbahn