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Molybdenum and silver photoemission survey spectra from hard x-rays

Surface Science Spectra

Brumbach, M.T.; Chow, Rebecca C.; Casalnuovo, D.; Rubio-Zuazo, J.; Castro, G.R.; Flanagan, Timothy M.

Electron emission from thick polished samples of polycrystalline molybdenum (Mo) and single crystalline 〈111〉 silver (Ag) was measured with hard x-ray photoemission spectroscopy. Six different excitation x-ray energies were used, nominally 8.0, 11.0, 13.0, 15.0, 18.0, and 21.5 keV. Survey spectra were recorded with each excitation to a kinetic energy of at most 15 keV, often capturing the entire emission range. The Mo 1s core peak was measured. Detailed LMM Auger spectra of Mo show marked increases in intensity and altered shape when x-ray energy exceeds the Mo 1s binding energy. The Mo and Ag L-shell photoelectron peaks are measured at four x-ray energies up to 18 keV showing the transition from 2p3/2 to 2s photoionization dominance.

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TYPE Journal Article YEAR 2021
ScopusOSTIDOI
12 Results
12 Results