HAXPES spectra and quantification of bulk Mo and MoSe$_2$ compound
Résumé
The HAXPES spectra of bulk Mo and MoSe2 compounds obtained with Cr K$_{\alpha1}$ excitation (h$_v$= 5414.8 eV) are presented, with special attention paid to binding energy scale correction, quantification and repeatability aspects [1]. Cr K$_{\alpha}$ HAXPES allows to ionize all Mo and Se core-levels of principal quantum numbers N=2, 3 and 4.
Empirically determined sensitivity factors (RSFs) were provided by the PHI Multipak software version 9.9.0.8, from the most recently released RSF database. The RSFs were derived from the pure-element relative sensitivity factor as defined in ISO 18118:2015 [2] which were measured on pure element samples using a Cr K$_{\alpha}$ source. Using the determined pure element RSF’s leads to quantification error of ~5% for the MoSe$_2$ compound.
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