Morphology of Cu overlayers on TiO2(110)

被引：9
|
作者：
Chang, Z
Haq, S
Thornton, G [1 ]
机构：
[1] Univ Manchester, Surface Sci Res Ctr, Manchester M13 9PL, Lancs, England
[2] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England
[3] Univ Liverpool, Surface Sci Res Ctr, Liverpool L69 3BX, Merseyside, England
来源：
SURFACE SCIENCE | 2000年 / 467卷 / 1-3期
基金：
英国工程与自然科学研究理事会;
关键词：
copper; epitaxy; growth; infrared absorption spectroscopy; low index single crystal surfaces; titanium oxide;
D O I：
10.1016/S0039-6028(00)00792-5
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：
FT-RAIRS with CO as a probe molecule has ben used to examine the morphology of a nominally Cu(lll) overlayer on TiO2(110)1 x 1. Exposure of the overlayer to CO at 100 K produces two principal infrared absorption bands at 2071 and 2094 cm(-1), corresponding to CO adsorption on Cu(111)-like and Cu(110)-like sites, respectively. Calculations using the coherent potential approximation indicate a significant intensity borrowing by the high-frequency band. The best fit to the data corresponds to a GO-occupied Cu(110)-like concentration of 0.055 ML. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：L841 / L844
页数：4
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