semiconductor physics and Devices
First Semester Lecture Course
Sheng Yun Wu
First Semester Lecture Course
Sheng Yun Wu
Semester 1: Fundamentals of Semiconductor Physics
Instructor:
Course Title: Semiconductor Physics and Devices
Semester: First Semester
Duration: 15 weeks
Week 1-2: Crystal Structure
Introduction to crystal structures
Lattices, basis, and unit cells
Bravais lattices
Common crystal structures (SC, BCC, FCC, HCP)
X-ray diffraction and Bragg's Law
Week 3-4: Reciprocal Lattice
Reciprocal lattice and its properties
Diffraction conditions in reciprocal space
Ewald construction
Structure factor
Week 5-6: Bonding in Solids
Types of bonds: ionic, covalent, metallic, van der Waals, hydrogen bonding
Cohesive energy
Madelung constant
Week 7-8: Lattice Vibrations
Vibrations of monatomic and diatomic lattices
Phonons and dispersion relations
Acoustic and optical modes
Density of states and heat capacity (Debye and Einstein models)
Week 9-10: Thermal Properties of Solids
Classical and quantum theories of heat capacity
Debye model, phonon contribution to heat capacity
Thermal conductivity of solids
Anharmonic effects and thermal expansion
Week 11-12: Free Electron Theory of Metals
Drude model of electrical conduction
Sommerfeld model and quantum treatment of free electrons
Fermi energy and heat capacity of free electrons
Electrical and thermal conductivity
Week 13-14: Energy Bands
Nearly free electron model
Origin of energy bands
Bloch theorem and band structure
Metals, semiconductors, and insulators
Week 15-16: Final Exam & Review
Final term exam covering Weeks 1-14
Review and reinforcement of key concepts