Basic Model Concepts and Manifest Properties of Solid

Properties of Energy Bands in Solids: Wave function for an electron in a periodic potential; energy bands in a perturbed nearly free electron systems.

Properties of Energy Bands in Solids: Wave function for an electron in a periodic potential; energy bands in a perturbed nearly free electron systems; Energy band calculations; density of states in energy bands; Introduction to energy bands in solids; Optical processes in solids; Absorption and reflection phenomena; Carrier recombination and luminescence; direct and indirect transitions; Excitations; colour centres and lasers; Photoelectric phenomena