Oxygen K-edge near edge X-ray absorption fine structures of O and OH overlayers on Pt(111)

被引：9
|
作者：
Nagasaka, M
Nakai, I
Kondoh, H
Ohta, T
Carravetta, V
机构：
[1] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
[2] CNR, Ist Proc Chim Fis, Area Ric, I-56124 Pisa, Italy
来源：
CHEMICAL PHYSICS LETTERS | 2003年 / 375卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(03)00876-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
O K-edge near edge X-ray absorption fine structure (NEXAFS) spectra of atomic 0 and OH adsorbates on Pt(I 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(l 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(l 1 1) were well reproduced by the structural model proposed by the previous LEED analysis that 0 is located at the hollow site with 1.19 Angstrom above the Pt top layer. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：419 / 424
页数：6
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