1. It’s what’s on the outside that counts, true story!
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Promotor: Pieter-Jan Sabbe & Dr. A. Adriaens Bachelorstudents: Nils De Rybel, Nicky Huys, Maria Gomez Rodriguez
2. Outline
• Why study surfaces?
• Goal of project
• Corrosion layers of copper
• Spectroscopic techniques used
• Conclusion
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3. Goal
• Make copper corrosion layers
• Study surface specific techniques
• Apply surface specific techniques
• Compare the layers
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4. Why study surfaces?
Polymer biodegradation Surface tension control
Catalysis Adsorption, desorption
Sensors
Surface hardening Friction control
Behaviour determined
Applications
by surface
Corrosion
Crystal growth
Controlled release polymers
Optical recording media
Anti-reflection coatings
Magnetic recording media
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5. Corrosion of copper
Name Chemical formula
Cuprite Cu2O
Nantokite CuCl
Atacamite Cu2Cl(OH)3
Paratacamite Cu2Cl(OH)3
Tenorite CuO
Chalcokite Cu2S
20. Auger Electron Spectroscopy (AES)
Scanning depth is 1-5nm and
lateral resolution ~10nm
Sensitivity is about 1 to 100ppm
Sample conductive
Mutch more specific then XPS
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