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Resonant photoelect...
Resonant photoelectron spectroscopy on NiO
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Tjernberg, O (författare)
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Soderholm, S (författare)
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- Karlsson, Ulf O (författare)
- Materialfysik
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Chiaia, G (författare)
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Qvarford, M (författare)
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Nylen, H (författare)
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Lindau, I (författare)
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(creator_code:org_t)
- 1996
- 1996
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 53:15, s. 10372-10376
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Resonant photoelectron spectroscopy studies have been performed on the NiO valence band at photon energies corresponding to the Ni 2p, 3p, and O 1s absorption thresholds. Strong resonances are seen in the vicinity of the Ni 2P threshold, which confirm earlier conclusions from the weaker resonances seen at the Ni 3p threshold. No valence-band resonance is observed at the O 1s threshold. The analysis of this data confirms the picture of NiO as a strongly correlated charge-transfer insulator by identifying the highest-lying states as being of mainly 3d(8)L final-state character. The existence of localized excited Ni states, as well as the delocalized nature of the O states, are confirmed. Comparisons with the configuration-interaction model and quasiparticle calculations are also made.
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- art (ämneskategori)
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