Oxygen K-edge near edge X-ray absorption fine structures of O and OH overlayers on Pt(1 1 1)

Masanari Nagasaka, Ikuyo Nakai, Hiroshi Kondoh, Toshiaki Ohta, Vincenzo Carravetta

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

O K-edge near edge X-ray absorption fine structure (NEXAFS) spectra of atomic O and OH adsorbates on Pt(1 1 1) were measured and interpreted by theoretical calculations based on the multiple scattering and molecular orbital methods. Comparison of the observed and calculated spectra from OH/Pt(1 1 1) confirmed that the OH species adsorb on the atop site with the O-H bond tilted from the surface normal. The spectra from O/Pt(1 1 1) were well reproduced by the structural model proposed by the previous LEED analysis that O is located at the hollow site with 1.19 Å above the Pt top layer.

Original languageEnglish
Pages (from-to)419-424
Number of pages6
JournalChemical Physics Letters
Volume375
Issue number3-4
DOIs
Publication statusPublished - 2003 Jul 3
Externally publishedYes

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Multiple scattering
X ray absorption
Molecular orbitals
Adsorbates
fine structure
Oxygen
oxygen
x rays
hollow
molecular orbitals
orbitals
scattering

ASJC Scopus subject areas

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

Cite this

Oxygen K-edge near edge X-ray absorption fine structures of O and OH overlayers on Pt(1 1 1). / Nagasaka, Masanari; Nakai, Ikuyo; Kondoh, Hiroshi; Ohta, Toshiaki; Carravetta, Vincenzo.

In: Chemical Physics Letters, Vol. 375, No. 3-4, 03.07.2003, p. 419-424.

Research output: Contribution to journalArticle

Nagasaka, Masanari ; Nakai, Ikuyo ; Kondoh, Hiroshi ; Ohta, Toshiaki ; Carravetta, Vincenzo. / Oxygen K-edge near edge X-ray absorption fine structures of O and OH overlayers on Pt(1 1 1). In: Chemical Physics Letters. 2003 ; Vol. 375, No. 3-4. pp. 419-424.
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