Course Information

Introduction to Semiconductors: Kinds of solid state materials, chemical bonds and electrical properties, families of semiconductors and their applications, energy bands and bandgap, the free electron and hole carriers, donor and acceptor dopants, n-type and p-type conductivity.
Physics of carriers: Fermi-Dirac statistics, Fermi level, effective densities of states, distribution and concentrations of carriers at thermal equilibrium, dependence on donor and acceptor concentrations and temperature, drift and diffusion currents, generation-recombination, absorption and emission of photons.
Techniques of semiconductor growth and device processing: Crystal growth and epitaxial growth, Czochralski methods for Si and GaAs, molecular beam epitaxy (MBE), metallorganic vapor phase epitaxy (MOVPE), device fabrication processes, photolithography, kinds of photoresists, fabrication of metallic patterns with the lift-off or etching methods.
Semiconductor devices and integrated circuits: Energy band diagrams of semiconductor devices, pn junction, built-in electric field, rectification behavior, operation of LED, photodiode and solar cell, fabrication and operation of laser diode, the FET transistors, fabrication and operation of GaAs MESFET, introduction to dimensions, speed and fabrication of integrated circuits.