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

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页码：L841 / L844

页数：4

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