Solid State Devices 1
Week 1:
- Solid State Devices Introduction
- Semiconductor Materials
- Applications of Elemental and Compound Semiconductors
- Atomic Positions and Bond Orientation
- Crystals
- Bravais Lattice
- Surfaces, Miller Index
Week 2:
- Elements of Quantum Mechanics
- Classic Systems
- Why D We Need Quantum Mechanics?
- Formulation of Schrodinger's Equation
- Analytical Solutions to Free and Bound Electrons
- Electrons in a Finite Potential Well
Week 3:
- Electron Tunneling – Emergence of Bandstructure
- Transfer Matrix Method
- Tunneling through Barriers
- Bandstructure – in 1D Periodic Potentials
Week 4:
- Brillouin Zone and Reciprocal Lattice
- Constant Energy Surfaces & Density of States
- Bandstructure in Real Materials (Si, Ge, GaAs)
- E(k) Diagrams in Specific Crystal Directions
- Constant Energy Surfaces
- Density of State Effective Mass
Week 5:
- Bandstructure Measurements
- Occupation of States
- Fermi-Dirac Statistics: Three Techniques
- Intrinsic Carrier Concentration
- Band Diagrams
Week 6:
- Doping
- Donors and Acceptors
- Temperature Dependence
- Introduction to Non-Equilibrium
- Steady State, Transient, Equilibrium
Week 7:
- Recombination & Generation
- R-G Formula
- SRH Formula
- Direct and Auger Recombination
- Nature of Interface States
Week 8:
- Intro to Transport - Drift, Mobility, Diffusion, Einstein Relationship
- Drift Current
- Mobility
- Hall Effect
- Semiconductor Equations
- Continuity Equations
- Analytical Solutions
- Numerical Solutions
Week 9:
- Introduction to PN Junctions
- PN Diode I-V Characteristics
Week 10:
- PN Diode AC Response
- PN Diode Large Signal Response
- Schottky Diode
Week 11:
- MOS Electrostatics & MOScap
- Q-V Characteristics
- MOS Capacitor Signal Response
- MOSFET Introduction
Week 12:
- MOSFET Non-Idealities
- Flat Band Voltage
- Modern MOSFET
- Moore's Law Challenges
- Short Channel Effect
- Mobility Enhancement
Week 13:
- Bipolar Junction Transistor - Fundamentals
- Band Diagrams in Equilibrium
- Currents in BJTs
- Ebers Moll Model
Week 14:
- Bipolar Junction Transistor - Design
- Current Gain
- Base Doping Design
- Collector Doping (Kirk Effect, Base Pushout)
- Emitter Doping Design
- Poly-Si Emitter
- Shoe Base Transport
- Bipolar Junction Transistor – High Frequency Response
Week 15
- Heterojunction Bipolar Transistor
- Applications, Concept, Innovation, Nobel Prize
- Types of Heterojunctions,: Abrupt, Graded, Double
- Modern Designs