4.Concentrations - 1 Potential energy Microscopically: What...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Potential energy Potential energy Microscopically: •What± is ± ν ? •Where± is ±E C0 for ν = 1 ? • Physically, what is E C0 ? Macroscopically: x U
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Energy band diagram Energy band diagram
Background image of page 2
3 Carrier concentrations Carrier concentrations Sections 3.1.1, 3.1.4, 3.2.1, 3.2.2, 3.3, 3.4, 4.1, 4.2 of course text: 1. Generation of electrons and holes 2. Doping 3. Recombination of electrons and holes 4. Thermal equilibrium 5. Carrier concentrations 6. Density of states 7. Fermi-Dirac distribution function
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Phonons Phonons The atoms of a lattice vibrate about their mean positions. The vibrations are coupled. This leads to a dispersion relationship (Energy vs. momentum.) A quantum of lattice vibrational energy is called a PHONON . Note the range of phonon energies.
Background image of page 4
Thermal generation of Thermal generation of EHP's EHP's What are these `waves'? How many simultaneous phonons are needed to generate one EHP? What is the magnitude of n
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/10/2010 for the course EECE 480 taught by Professor David during the Fall '09 term at The University of British Columbia.

Page1 / 13

4.Concentrations - 1 Potential energy Microscopically: What...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online