This thorough introduction to the underlying physics of semiconductor devices features fully-worked examples for all principles and concepts. Several topics are taken to the forefront-of-technology level to show readers just where the current intellectual and technological limits lie. KEY TOPICS: Covers topics such as atoms and bonding, energy bands and effective mass, carrier concentrations in semiconductors, conduction in semiconductors, Gunn diode, p-n junction, LED, photodetectors and solar-cell, bipolar transistor, field-effect transistors, the semiconductor laser, and an introduction to quantum theory.