Interaction of Cu(110) with oxygen

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Table of contents

Introduction
Outline of the thesis
1 State of the art and objectives
1.1 Self-organization
1.2 STM and reactivity studies on nanostructures
1.3 Cu(110)-(2×1)O nanostructure
1.3.1 Cu(110)
1.3.2 Interaction of Cu(110) with oxygen
1.3.3 The Marchenko-Vanderbilt model
1.3.4 Objectives
1.4 Interaction of clean and oxidized Cu(110) with sulfur
1.4.1 Sulfur adsorption on clean copper
1.4.1.1 S-c(2×2) phase
1.4.1.2 S-p(5×2) phase
1.4.2 Sulfur adsorption on oxidized copper
1.4.3 Objectives
1.5 Surface diffusion of large clusters
1.5.1 Objectives
2 Experimental
2.1 Experimental setup
2.2 Methods
2.2.1 Ultra high vacuum
2.2.2 Scanning tunneling microscopy
2.2.3 Auger electron spectroscopy
2.3 Sample preparation
2.4 Tip preparation
2.5 STM in praxis
2.6 Experimental conditions
2.6.1 Preparation of the Cu(110)-(2×1)O nanostructure: Classical and S co-adsorption method
2.6.2 Sulfidation of the Cu(110)-(2×1)O nanostructure
2.6.2.1 Kinetics by AES
2.6.2.2 Mechanism by STM
3 Tuning the Cu(110)-(2×1)O nanostructure
3.1 STM of the Cu(110)-(2×1)O surface
3.2 Nanostructures prepared by S co-adsorption
3.3 Influence of step bunching
3.4 Modified Marchenko-Vanderbilt model for the S co-adsorption method
3.5 Summary and discussion
4 Sulfidation of the Cu(110)-(2×1)O nanostructure
4.1 STM during sulfidation
4.2 Reaction kinetics: sulfidation of the clean and oxidized Cu(110)
4.3 Sulfidation of narrow oxidized stripes
4.4 Sulfidation of wide oxidized stripes
4.4.1 Initial stages of the sulfidation
4.4.2 Influence of the exposure conditions on the mechanism
4.4.2.1 Exposure at high pressures
4.4.2.2 Exposure at low pressures
4.5 Summary and discussion
5 Dynamics of the S-c(2×2) islands
5.1 Behavior of S islands at sub-saturation sulfur coverages
5.2 Behavior of S islands on a sulfur-saturated surface
5.3 Summary and discussion
Conclusion and perspectives
List of figures
List of tables
References