Nature of electronic states at the Fermi level of metallic β-Pb O2 revealed by hard x-ray photoemission spectroscopy

D. J. Payne, R. G. Egdell, G. Paolicelli, F. Offi, G. Panaccione, P. Lacovig, G. Monaco, G. Vankó, A. Walsh, G. W. Watson, J. Guo, G. Beamson, P. A. Glans, T. Learmonth, K. E. Smith

Research output: Contribution to journalArticle

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Abstract

The nature of electronic states at the Fermi energy in metallic β-Pb O2 has been identified by hard x-ray photoemission spectroscopy (HXPS) combined with x-ray emission spectroscopy and density-functional theory calculations. Pb 6s states are strongly enhanced in HXP spectra, allowing us to locate the Fermi level above the top of the valence band. The occupied conduction-band states have significant Pb 6s character, although the major 6s contribution to the density of states is found 9 eV below the Fermi energy. The enormous potential of HXPS for the study of s states in oxides is emphasized.

Original languageEnglish
Article number153102
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number15
DOIs
Publication statusPublished - Apr 17 2007

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Electronic states
Photoelectron spectroscopy
Fermi level
photoelectric emission
X rays
electronics
spectroscopy
x rays
Emission spectroscopy
Valence bands
Conduction bands
Oxides
Density functional theory
conduction bands
density functional theory
valence
oxides
energy

ASJC Scopus subject areas

  • Condensed Matter Physics

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Nature of electronic states at the Fermi level of metallic β-Pb O2 revealed by hard x-ray photoemission spectroscopy. / Payne, D. J.; Egdell, R. G.; Paolicelli, G.; Offi, F.; Panaccione, G.; Lacovig, P.; Monaco, G.; Vankó, G.; Walsh, A.; Watson, G. W.; Guo, J.; Beamson, G.; Glans, P. A.; Learmonth, T.; Smith, K. E.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 75, No. 15, 153102, 17.04.2007.

Research output: Contribution to journalArticle

Payne, DJ, Egdell, RG, Paolicelli, G, Offi, F, Panaccione, G, Lacovig, P, Monaco, G, Vankó, G, Walsh, A, Watson, GW, Guo, J, Beamson, G, Glans, PA, Learmonth, T & Smith, KE 2007, 'Nature of electronic states at the Fermi level of metallic β-Pb O2 revealed by hard x-ray photoemission spectroscopy', Physical Review B - Condensed Matter and Materials Physics, vol. 75, no. 15, 153102. https://doi.org/10.1103/PhysRevB.75.153102
Payne, D. J. ; Egdell, R. G. ; Paolicelli, G. ; Offi, F. ; Panaccione, G. ; Lacovig, P. ; Monaco, G. ; Vankó, G. ; Walsh, A. ; Watson, G. W. ; Guo, J. ; Beamson, G. ; Glans, P. A. ; Learmonth, T. ; Smith, K. E. / Nature of electronic states at the Fermi level of metallic β-Pb O2 revealed by hard x-ray photoemission spectroscopy. In: Physical Review B - Condensed Matter and Materials Physics. 2007 ; Vol. 75, No. 15.
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