Semiconductor Physics

In this module we will introduce the course and the Semiconductor Devices specialization. In addition, we will review the following topics: Type of solids, Bravais lattices, Lattice with basis, Point defects, Dislocation, Bulk crystal growth, Epitaxy, Energy levels of atoms and molecules, Energy bands of solids, Energy bands in real space, Energy bands in reciprocal lattice, Energy band structures of metal and insulator, Definition of semiconductor, Electrons and holes, and Effective mass.

In this module, we will cover carrier statistics. Topics include: Currents in semiconductors, Density of states, Fermi-Dirac probability function, Equilibrium carrier concentrations, Non-degenerate semiconductors, Intrinsic carrier concentration, Intrinsic Fermi level, Donor and acceptor impurities, Impurity energy levels, Carrier concentration in extrinsic semiconductor, and Fermi level of extrinsic semiconductors.

This module introduces you to currents in semiconductors. Topics we will cover include: Thermal motion of carriers, Carrier motion under electric field, Drift current, Mobility and conductivity, Velocity saturation, Diffusion of carriers, General expression for currents in semiconductor, Carrier concentration and mobility, and the Van der Pauw technique.