Introduction to Surface Science
Tampere University
Core content
· Surface structure and Thermodynamics of surfaces: Ordered surface structures. Defects on surfaces. Relaxation. Reconstruction. Surface tension.
· Dynamics at surfaces: Potential energy hypersurface. Elementary surface processes. Adsorption. Sticking coefficient. Kinetics and dynamics of adsorption. Microscopic reversibility.
· Electronic properties of surfaces: Surface dipole. Work function. Helmholtz equation. Local work function.
· Surface compounds: Chemisorption bond and physisorption bond. Resonance states. Chemisorption on Jellium surface. Alkali-metal adsorption. The flexible surface model.
· Catalysis by surfaces: Ammonia synthesis. Structure sensitivity. Volcano curve.
Complementary knowledge
· Adsorbate-Induced restructuring. Notation of surface structures. Surface tension values of metals approximated by using the heat of sublimation.
· Structure sensitivity of adsorption. Activated adsorption. Precursor-state mediated adsorption.
· Friedel oscillations. Surface space charge at n-type semiconductor. Work function versus ionization potential. Metal-vacuum-metal tunneling junction. Debye length. Work function and Nanostructures.
· Structure sensitivity of bond breaking. Ostwald Ripening. Chemisorption bond of CO.
· Catalyst deactivation. Fe catalysts.
Specialist knowledge
· Growth modes on surfaces. Low energy electron diffraction.
· Molecular Beam Surface Scattering. Steering dynamics in adsorption.
· Gas sensors. Electronic structure of nanoclusters. PAX-method. Surface Stark-effect.
· Rich oxygen chemistry of ruthenium (0001).
· Compensation effect. Catalyst materials.
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