O1s core levels of Bi-Sr-Ca-Cu-O superconductors studied by X-ray photoelectron spectroscopy

M. Nagoshi, Y. Fukuda, N. Sanada, Y. Syono, Ayako Yamamoto, M. Tachiki

Research output: Contribution to journalArticle

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Abstract

The O1s core level spectra recorded for the Bi2Sr2Can-1CunO2n+2+δ (n = 1, 2, and 3) oxides are investigated by taking into account the layered structures, the well developed cleavage between double Bi-O layers, and the surface sensitivity of photoelectron spectroscopy. The results show that the O1s core lines with binding energies of 527.9, 528.7, and 529.4 eV can be attributed to oxygen atoms in the Cu-O2, Bi-O, and Sr-O layers, respectively. In the Bi2Sr2Ca1-xYxCu2Oy system, the O1s line corresponding to oxygen atoms in the Cu-O2 planes shifts significantly to the high binding energy side with the substitution of Y for Ca. These results are discussed in terms of hole concentrations of metal-oxygen bonds.

Original languageEnglish
Pages (from-to)309-322
Number of pages14
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume61
Issue number3-4
DOIs
Publication statusPublished - 1993 Feb 26
Externally publishedYes

Fingerprint

BSCCO superconductors
Core levels
Superconducting materials
oxygen atoms
X ray photoelectron spectroscopy
binding energy
photoelectron spectroscopy
Oxygen
Binding energy
cleavage
Hole concentration
Atoms
x rays
substitutes
Photoelectron spectroscopy
Oxides
oxides
shift
oxygen
Substitution reactions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

O1s core levels of Bi-Sr-Ca-Cu-O superconductors studied by X-ray photoelectron spectroscopy. / Nagoshi, M.; Fukuda, Y.; Sanada, N.; Syono, Y.; Yamamoto, Ayako; Tachiki, M.

In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 61, No. 3-4, 26.02.1993, p. 309-322.

Research output: Contribution to journalArticle

Nagoshi, M. ; Fukuda, Y. ; Sanada, N. ; Syono, Y. ; Yamamoto, Ayako ; Tachiki, M. / O1s core levels of Bi-Sr-Ca-Cu-O superconductors studied by X-ray photoelectron spectroscopy. In: Journal of Electron Spectroscopy and Related Phenomena. 1993 ; Vol. 61, No. 3-4. pp. 309-322.
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AU - Yamamoto, Ayako

AU - Tachiki, M.

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