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Photoemission study of praseodymia in its highest oxidation state: The necessity of in situ plasma treatment
2011
Journal of Chemical Physics
Preserved Fulltext
A cold radio frequency oxygen plasma treatment is demonstrated as a successful route to prepare clean, well-ordered, and stoichiometric PrO 2 layers on silicon. High structural quality of these layers is shown by x-ray diffraction. So far unobserved spectral characteristics in Pr 3d x-ray photoelectron (XP) spectra of PrO 2 are presented as a fingerprint for praseodymia in its highest oxidized state. They provide insight in the electronic ground state and the special role of praseodymia among
doi:10.1063/1.3516953
pmid:21303146
fatcat:iukwdzmpovd2fc2wqhgqkqqkfu