PYL702
| pYL702 | |
|---|---|
| physics of Semiconductor Devices | |
| Credits | 3 |
| Structure | 3-0-0 |
| Pre-requisites | |
| Overlaps | |
pYL702 : physics of Semiconductor Devices
[edit]Charge carriers in semiconductors: Intrinsic and extrinsic semiconductors, position of Fermi energy level. Carrier transport phenomenon: Carrier drift and diffusion, Hall effect. Carrier generation and recombination.PN junction: Energy band diagram, electrostatics of pn junction, PN junction current, ideal current-voltage relationship, junction breakdown mechanisms, heterojunctions. Metal-semiconductor contacts: Schottky barrier diodes, current transport in Schottky diodes, I-V characteristics, Ohmic contacts. MOS structure: Ideal MOS structure, energy band diagrams under accumulation, depletion and inversion conditions, C-V characteristics, various oxide charges in Si/SiO 2 MOS and their effect on C-V graph, MOSFET, basics about the operation of a MOSFET, I-V relationships of a MOSFET, non ideal effects. Optical devices: Basics of Solar cells and photodetectors.