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Title: Valence band and core levels of Ce5Ni2Si3 crystal studied by X-ray photoemission spectroscopy
Authors: Toliński, T.
Kowalczyk, A.
Chełkowska, Grażyna
Mihalik, M.
Timko, M.
Keywords: metale ziem rzadkich; stopy; spektroskopia elektronowa
Issue Date: 2008
Citation: Acta Physica Polonica A, Vol. 113, nr 1 (2008), s. 327-330
Abstract: The crystal of Ce5Ni2Si3 was prepared by the Czochralski method. The X-ray photoemission spectroscopy was measured for the valence band and the core levels. Based on the Ce(3d) doublet and its satellites a small value of the hybridization parameter of the f-states with the conduction electrons ¢ = 4 meV and the f-occupancy nf close to 1 were found. X-ray photoemission spectroscopy shows that the region between 0 and 3 eV is predominated by the Ni(3d) and Ce(4f) peaks. Some features of the multiplet structure of the Ce(4f) states are also visible close to the Fermi level.
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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