*21-4 An XPS electron was found to have a kinetic energy of 1073.5 eV when a Mg Ka source was employed (A 0.98900 nm). The electron spectrometer had a work function of 14.7 eV. (a) Calculate the binding energy for the emitted electron. (b) If the signal was from a S(2s) electron, was the analyte S, S, so,, or so ? (c) What would the kinetic energy have been if an Al Ka source had been used (A 0.83393 nm)? (d) If the ejected electron with the Mg Ka source had been an Auger electron, what would its kinetic energy be with the Al Ka source?
*21-4 An XPS electron was found to have a kinetic energy of 1073.5 eV when a Mg Ka source was employed (A 0.98900 nm). The electron spectrometer had a work function of 14.7 eV. (a) Calculate the binding energy for the emitted electron. (b) If the signal was from a S(2s) electron, was the analyte S, S, so,, or so ? (c) What would the kinetic energy have been if an Al Ka source had been used (A 0.83393 nm)? (d) If the ejected electron with the Mg Ka source had been an Auger electron, what would its kinetic energy be with the Al Ka source?
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Transcribed Image Text:*21-4 An XPS electron was found to have a kinetic energy of 1073.5 eV when a Mg Ka
source was employed (A = 0.98900 nm). The electron spectrometer had a work
function of 14.7 eV.
(a) Calculate the binding energy for the emitted electron.
(b) If the signal was from a S(2s) electron, was the analyte S, S", So,,or
so-?
(c) What would the kinetic energy have been if an Al Ka source had been used
• Or
=0.83393 nm)?
(d) If the ejected electron with the Mg Ka source had been an Auger electron,
what would its kinetic energy be with the Al Ka source?
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