Doublet Separations #

Na 2p = 0.14 eV

Common Overlaps for Na 1s #

I 3s –  Ti LMM (Al Ka X-rays)

Auger Energies #

Note – these are listed in KINETIC ENERGY

Na KLL ≈ 980 eV

Common Binding Energies – Na 1s #

Theory and Background #

Sodium is a fairly common contaminant if correct sample handling is not followed (e.g. wearing of gloves).

Experimental Advice #

Na 1s peaks do not exhibit large shifts in binding energy, owing to the reactivity and high ionicity of sodium – which readily forms Na+ species which do not have a large difference in chemical shifts.

The Auger parameter may be of more use if one wishes to discriminate between sodium environments.

Data Analysis Guidance #

While not necessarily pertaining to the analysis of the Na 1s region itself, which is fairly trivial, care should be taken when analysing the O 1s region of a material of significant Na content. There exists a secondary Na KLL Auger peak which sits on the high BE side of the O 1s emission, and may easily be mistaken for an oxygen signal.

Reference Datasets #

Coming soon

References #