T11 - Nanoparticles and nanostructures

6 Dezembro 2022, 14:00 • Maria Margarida Cruz

"Quantum dots" - Stability diagram showing "magic numbers". Comparison with results in metallic aggregates. Application of the Jellium model for the calculation of electronic states. Behavior of small aggregates as "giant atoms". Nanoparticles: importance of surface contribution, thermodynamic properties. Crystalline metallic nanoparticles in thermodynamic equilibrium: Wulf polyhedron. Nanoparticles with directional bonds. Cage aggregates. The carbon allotropes. Fullerenes. Carbon nanotubes. Single-walled and multi-walled nanotubes. Winding vector and electronic structure. Relationship with physical properties.