ELECTRONIC MATERIALS AND DEVICES

Semiconductor Fundamentals: Composition, purity and structure ofsemiconductors, energy band model, band gap and materials classification,charge, effective mass and carrier numbers, density of states, the Fermifunction and equilibrium distribution of carriers, doping, n and p-typesemiconductors and calculations involving carrier concentrations, EF etc.,temperature dependence of carrier concentrations, drift current, mobility,resistivity and band bending, diffusion and total currents, diffusioncoefficients, recombination-generation, minority carrier life times andcontinuity equations with problem solving examples.Device Fabrication Processes: Oxidation, diffusion, ion implantation,lithography, thin-film deposition techniques like evaporation, sputtering,chemical vapour deposition (CVD), epitaxy etc.PN Junction and Bipolar Junction Transistor: Junction terminology,Poisson’s equation, qualitative solution, the depletion approximation,quantitative electrostatic relationships, ideal diode equation, non-idealities,BJT fundamentals, Junction field effect transistor, MOS fundamentals, theessentials of MOSFETs.Dielectric Materials: Polarization mechanisms, dielectric constant anddielectric loss, capacitor dielectric materials, piezoelectricity, ferroelectricityand pyroelectricity.Optoelectronic Devices: Photoconductors, photovoltaics andphotodetectors, photodiodes and photovoltaics, solar cell basics, LEDs,Lasers, displays, LCDs.Magnetism and Magnetic Materials: Basics of magnetism, hysteresisloops, magnetic domains and anisotropy, hard and soft magnetic materials,transformers, DC motors and data storage.Recommended Books:1. R. F. Pierret, “Semiconductor Device Fundamentals”, Addison Wesley, 2nd

ed. 1996.2. N. Braithwaite, and G. Weaver, “Electronic Materials”, MA: Butterworth,2nd ed. 1990.553. S. O. Kasap, “Electronic Materials and Devices”, McGraw-Hill, 3rd ed.2005.4. R. C. O'Handley, “Modern Magnetic Materials: Principles andApplications”, Wiley Inter-Science, 1999.5. D. Jiles, “Introduction to Magnetism and Magnetic Materials”, Chapman &Hall, 2nd ed. 1998.