The exhaustive list of topics in Semiconductors in which we provide Help with Homework Assignment and Help with Project is as follows:
- Solid state materials - crystal structure - Reciprocal lattice - Brillouin zone and rules for band (k - space) representation.
- Dynamics of electrons in periodic potential: Kronig - penny and nearly free electron models - Real methods for band structure calculations.
- Bandgaps in semiconductors - Holes and effective mass concept - Properties of conduction and valance bands.
- Fermi distribution and energy - Density of states - Valance and conduction band density of states - intrinsic carrier concentration - intrinsic Fermi level.
- Extrinsic semiconductors: n and p type doping - Densities of carriers in extrinsic semiconductors and their temperature dependence - extrinsic semiconductor Fermi energy level - Degenerate and non - degenerate semiconductors - Bandgap engineering.
- Scattering Mechanism: electron - electron and electron - phonon scattering.
- Macroscopic transport: Carrier transport by Diffusion - Carrier transport by Drift: Low field, High field and very high field (Impact ionization) - Einstein relation.
- Electron - hole pair generation and recombination: band to band (direct and indirect band gap transitions) and intra band (impurity related) transitions, free - carrier & phonon transitions.
- Excitons : Origin, electronic levels and properties Radiative and nonradiative recombination (Shockley - Read - Hall and Auger) processes.
- Carrier transport - continuity equations. Optical constants: Kramers - Kronig relations.
- Processing of Semiconductor devices (Brief), p - n Semiconductor junctions - Homo and hetero Junctions.
- Semiconductors Quantum structures, Density of states and excitons, Semiconductor photonic structures: 1D, 2D and 3D photonic crystals.
- Active and passive optoelectronic devices: performance and response enhancement (photo processes).