Fisika Modern 2

1. Crystal structure (sec1,2)

Crystal lattice, Basis vectors, Unit cell, Types of lattices, Index system for directions and planes, Simple crystal structures, X-ray diffraction, Reciprocal lattice, Brillouin zones. 2. Crystal Binding (sec3,4)

Interatomic forces, Cohesive energy, Ionic crystals, Covalent crystals, Metals, Crystals of inert gases. Elastic properties of solids. 3. Crystal Vibrations (Sec5)

Vibrations in monoatomic lattice, Diatomic lattice, Acoustic and optical modes, Phonons. 4. Thermal properties (Sec6)

Phonon heat capacity and thermal conductivity. 5. Free electron gas (Sec7,8)

Conduction electrons, Energy levels of free electrons, Density of states, Fermi energy, Electrical conductivity, Heat capacity, Thermal conductivity, Motion in magnetic fields. 6. Band structure of solids (Sec9)

Crystal potential, Bloch theorem, Crystal momentum, Electronic bands, Nearly-free-electron model, Classification of solids, Methods for calculating band structure. 7. Metals (Sec 10, 11)

Fermi surface, Fermi velocity, Electron dynamics, Band structure of selected metals, 8. Semiconductors (Sec12)

Crystal structure and bonding, Electronic structure, Electrons and holes, Effective mass, Mobility, Impurity states, Excitons.