Počet kreditů 5
Vyučováno v Winter
Rozsah výuky 14KP+6KL
Garant předmětu

The aim of the course is to deepen the knowledge of the properties of semiconductor materials and structures that are important for a deeper understanding of the semiconductor components technology .

Basic knowledge of mathematics and physics (including quantum theory)

To acquire knowledge of semiconductor materials and structures needed for deeper understanding of semiconductor devices

1. Basics of solid state physics
Adiabatic approximation.One-electron approximation.Bloch's Theorem

2. Movement of electron in crystal lattice in external electric and magnetic field
Holes and their basic properties

3. Band structure of the most important semiconductors
Semiconductors with diamond structure
Semiconductors with sphalerite structure

4. Crystal lattice disorders
Crystal lattice oscillations - Phonons. The interaction of phonons with electrons and holes
Localized defects, donors and acceptors

5. Statistics of electrons and holes in semiconductors
Density of states. Free charge carrier concentration

6. Non-degenerate semiconductors, compensated semiconductors, degenerate semiconductors,
Influence of temperature on carrier concentration

7. Transport phenomena in semiconductors. Boltzmann transport equation
Scattering mechanisms.

8. Conductivity of semiconductors, dependence on temperature and concentration of impurities
Hall effect, magnetoresistance. Transport phenomena in the presence of temperature gradient

9. Transport phenomena in strong electric fields
Gunn effect, impact ionization

10. Generation of non-equilibrium charge carriers
Optical generation of non-equilibrium charge carriers

11. Recombination of non-equilibrium carriers
Interband Radiation Recombination, Impact (Auger) Interband Recombination
Recombination through local centers. Surface recombination.

12. Diffusion and drift of non-equilibrium charge carriers

13. Non-homogeneous semiconductors and basic semiconductor structures
Semiconductors with inhomogeneous doping.. PN junction properties

14. Amorphous semiconductors

1. Crystal lattice, types of crystal lattices, symmetry elements
2. Reciprocal crystal lattice, Brilloun zones
3. Band structure of semiconductors - examples
4. Donors and acceptors in semiconductors
5. Calculation of Fermi level
6. Methods of semiconductor conductivity measurement
7. -11. Measurement of semiconductor materials parameters
12. Evaluation of experiments
13. Credit

M. Grundmann: The Physics of Semiconductors - An Introduction Including Nanophysics
and Applications, Springer-Verlag Berlin Heidelberg 2010

Y. Yoshida and G. Langouche (editors): Defects and Impurities in Silicon Materials: An Introduction to Atomic-Level Silicon Engineering, Springer, Japan 2015

Benda V, Gowar J, Grant DA: Power semiconductor devices-theory and applications, Chichester, 1999, John Wiley & Sons.

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