Quantitative Structure Determinations of Glycine/Cu(100) and Cu(110)

被引：0
|
作者：
Kang, J. -H. [1 ]
机构：
[1] Kookmin Univ, Dept Electro & Nano Phys, Seoul 136702, South Korea
来源：
JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2006年 / 16卷 / 01期
关键词：
photoelectron diffraction; adsorption site; glycine;
D O I：
10.4283/JKMS.2006.16.1.079
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The first quantitative structure determination has been obtained for Cu(100)/glycine (NH2CH3COOH). The molecule is adsorbed on the surface via two functional groups: the nitrogen of the amino group and one or both two oxygen atoms of the carboxylate group are bonded in near atop site. The Cu-N is tilted 5 degrees +/- 4 degrees, away from the surface normal whilst the Cu-O is tilted by 9 degrees +/- 2 degrees. The chemical bonding lengths are determined with 2.05 +/- 0.02 angstrom for both Cu-N and Cu-O. This bonding geometry is similar to that of glycine on Cu(110). A reanalysis of O Is from the Cu(110)(2x3)pg-glycine show two oxygen atoms are inequivalent, with one being offset 0.29 angstrom more than the other.
引用
收藏
页码：79 / 83
页数：5
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