OXYGEN 1S X-RAY-ABSORPTION EDGES OF TRANSITION-METAL OXIDES
作者： F. M. F. de Groot , M. Grioni , J. C. Fuggle , J. Ghijsen , G. A. Sawatzky
关键词: Spectral line 、 Transition metal 、 Materials science 、 Character (mathematics) 、 Metal 、 Inorganic compound 、 Molecular physics 、 Absorption (chemistry) 、 Ligand field theory 、 Oxygen
摘要: The oxygen 1s x-ray-absorption edges of a series of 3d-transition-metal oxides have been measured. The structures at the edge arise from covalent mixing of the metal and oxygen states, which introduces oxygen p character in unoccupied states of mainly metal character. The spectra can be divided into two regions: The first is a double-peaked sharp structure near threshold, which can be related to the metal 3d states; the second is a broader structure 5–10 eV above the edge and is related to the metal 4s and 4p bands. We attribute the …
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