Quantitative Measurements of Adsorbate-Adsorbate Interactions at Solid-Liquid Interfaces

被引：26

作者：

Taranovskyy, A. ^{[1
]}

Tansel, T. ^{[1
]}

Magnussen, O. M. ^{[1
]}

机构：

[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 10期

关键词：

ADSORPTION; DYNAMICS;

D O I：

10.1103/PhysRevLett.104.106101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The interactions between adsorbates at a solid-liquid interface were studied by video-rate STM for the case of sulfur on Cu(100) electrode surfaces in HCl solution. Quantitative data were obtained by analyzing the Sad dimer dynamics within the surrounding c(2 x 2)-Cl adlattice as well as the adsorbate configurations. The interactions are repulsive for S-ad separated by one or two lattice spacings and attractive at a separation of root 2 with energies comparable to adsorbates at the solid-vacuum interface. The S-ad diffusion barriers are significantly reduced in the vicinity of a neighboring adsorbate.

引用

页数：4

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