Critically evaluate the approximations needed to build models to understand the solid state.Build models to understand the physical properties of solid matter.Know what superconductivity is and qualitatively relate it to lattice vibrations and the density of state.Differentiate between local (Curie) and band (Stoner) contributions to ferromagnetism.Know the basic physics behind dia, para and ferromagnetism.Explain how ligh emitting diodes and solar cells work.Explain and give simple models for Schottky and PN-junctions.Understand how electrons and holes behave in semiconductors, and explain how they conduct current.Classify solid state matter according to their band gaps.Explain simple theories for conduction of heat and electrical current in metals.Know the concept `density of states¿ in one, two and three dimensions.Explain how a lattice vibrates at finite temperature, and how these vibrations determine the heat capacity and conduction.Know the concept of `phonons¿, and how the dispersion relationship appears for different lattice structures.
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