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X-ray and UV photoemission studies of valence electronic structure of NiO

✍ Scribed by K.S. Kim

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
682 KB
Volume
26
Category
Article
ISSN
0009-2614

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✦ Synopsis

The X-ray and W photoemission valence band spectra of NiO are interpreted using the molecular orbital theory for the NiOpcluster and the sudden approsimation (monopole selection rules). They exhibit the effects of crystal field splitting, multiplet splitting, electron shake-up (0 2pe$' -Ni 3dea). relasation and Ni 3d-0 2p hybridization. Shake-up satellite data indicate that the NiO optical absorption edge n&r 4 eV is associated with an 0 2p -Ni 3d transition.

The NiO valence electronic structure obtained in this work is compared with band structure models of Wilson and hfattheiss.

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