Valence states of BaBi1-xPbxO3-δ (0≤x≤1) studied by photoelectron spectroscopy

M. Nagoshi, T. Suzuki, Y. Fukuda, Ayako Yamamoto, Y. Syono, M. Tachiki

Research output: Contribution to journalArticle

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Abstract

Valence bands and core levels of BaBi1-xPbxO3-δ have been investigated over a full compositional range between x=0 and 1 using x-ray photoelectron spectroscopy (XPS) and ultraviolet photoelectron spectroscopy (UPS). With the substitution of Pb for Bi, the valence band centered at about 4 eV shifts toward the Fermi level (EF). A clear Fermi edge is observed in both XPS and UPS valence-band spectra for 0.7≤x≤0.9 and change of the density of states at EF is found to correspond to the Tc of this system. Pb 4f and Bi 4f core lines are broadened with x, which is analyzed by means of the peak-decomposition method. The valence states of BaBi1-xPbxO3-δ are discussed and compared with previous calculations.

Original languageEnglish
Pages (from-to)5196-5201
Number of pages6
JournalPhysical Review B
Volume47
Issue number9
DOIs
Publication statusPublished - 1993
Externally publishedYes

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Photoelectron spectroscopy
Valence bands
Ultraviolet photoelectron spectroscopy
photoelectron spectroscopy
valence
ultraviolet spectroscopy
x ray spectroscopy
X rays
Core levels
Fermi level
Substitution reactions
Decomposition
substitutes
decomposition
shift

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Valence states of BaBi1-xPbxO3-δ (0≤x≤1) studied by photoelectron spectroscopy. / Nagoshi, M.; Suzuki, T.; Fukuda, Y.; Yamamoto, Ayako; Syono, Y.; Tachiki, M.

In: Physical Review B, Vol. 47, No. 9, 1993, p. 5196-5201.

Research output: Contribution to journalArticle

Nagoshi, M. ; Suzuki, T. ; Fukuda, Y. ; Yamamoto, Ayako ; Syono, Y. ; Tachiki, M. / Valence states of BaBi1-xPbxO3-δ (0≤x≤1) studied by photoelectron spectroscopy. In: Physical Review B. 1993 ; Vol. 47, No. 9. pp. 5196-5201.
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AU - Fukuda, Y.

AU - Yamamoto, Ayako

AU - Syono, Y.

AU - Tachiki, M.

PY - 1993

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