This note covers the following
topics: Geometry of Crystals, Elements of Quantum Mechanics, Solution of
Schrodinger Equation, Energy Bands, Energy Bands in 3D Crystals, Density of
States, Fermi-Dirac Statistics, Charge, field, potential, Donor or Acceptor,
Equilibrium Statistics,Recombination-Generation, SRH formula, Surface
Recombination, PN Junction Diode Electrostatics, I-V Characteristics, I-V
Characteristics, BJT Nonideal effects , BJT Design, MOS-C Electrostatics.

**Author(s):** Purdue University

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