Angle-resolved photoemission of the c(2 × 2) and c(3 × 1) oxygen overlayers on Fe(110)

Y. Sakisaka, T. Komeda, T. Miyano, M. Onchi, S. Masuda, Y. Harada, K. Yagi, H. Kato

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40 Citations (Scopus)


Angle-resolved photoemission spectroscopy utilizing synchrotron radiation has been used to study the band structure of the c(2×2) and (3×1) oxygen overlayers on Fe(110). The symmetries of the O-2p-derived states at the center of the surface Brillouin zone (Γ) were identified using polarized light. At Γ the pxpy- and pz-derived levels are at about 5.5 and 7.0 eV below the Fermi level, respectively, for both ordered overlayers. The p-states of the c(2×2)-O structure show very little dispersion ({less-than or approximate}0.1 eV) with k. On the other hand, the c(3×1)-O overlayer exhibits considerable dispersion of ∼1.6 eV. The essential features of the measured dispersion are reproduced well by the dispersion predicted in a qualitative way for an isolated c(3×1) oxygen monolayer.

Original languageEnglish
Pages (from-to)220-234
Number of pages15
JournalSurface Science
Issue number1
Publication statusPublished - 1985 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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