Lect 5
Lecture notes available
EE Grad Student Mailroom
Rm 263 Light Eng Bldg
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Chapter 2: Junctions
and Barriers, continued
Shockley diode equation
66 mV per decade; Arrhenius plot
Non ideality ; series and parallel resistances
Current in conductors; 2D model and conformal
mapping
Diffusion versus depletion capacitance
Equivalent circuit
Junction breakdown: Zener tunneling
Junction breakdown: Impact ionization
Avalanche; Avalanche Photo Detectors (APD)
Single photon detection by APD
Schottky diodes;
Carrier distribution on top of the barrier
Image force barrier lowering
Book: Chapter 2, all problems
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