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Nature of electronic states at the Fermi level of metallic beta-PbO2 revealed by hard x-ray photoemission spectroscopy


Reference:

Payne, D. J., Egdell, R. G., Paolicelli, G., Offi, F., Panaccione, G., Lacovig, P., Monaco, G., Vanko, G., Walsh, A., Watson, G. W., Guo, J., Beamson, G., Glans, P. A., Learmonth, T. and Smith, K. E., 2007. Nature of electronic states at the Fermi level of metallic beta-PbO2 revealed by hard x-ray photoemission spectroscopy. Physical Review B, 75 (15), 153102.

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Official URL:

http://dx.doi.org/10.1103/PhysRevB.75.153102

Abstract

The nature of electronic states at the Fermi energy in metallic beta-PbO2 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.

Details

Item Type Articles
CreatorsPayne, D. J., Egdell, R. G., Paolicelli, G., Offi, F., Panaccione, G., Lacovig, P., Monaco, G., Vanko, G., Walsh, A., Watson, G. W., Guo, J., Beamson, G., Glans, P. A., Learmonth, T. and Smith, K. E.
DOI10.1103/PhysRevB.75.153102
Uncontrolled Keywordslead dioxide, volpe project
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code24023

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