-
ECE 656 Lecture 27: Scattering of Bloch Electrons
13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Umklapp processes Overlap integrals ADP Scattering in graphene
https://nanohub.org/resources/7827
-
ECE 656 Lecture 26: Mobility in 3D, 2D, and 1D
13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
The goal in this lecture is to examine one scattering mechanism (ADP scattering) in 3D, 2D, and 1D to see how the scattering rate changes with dimensionality. Then we’ll compare mobilities …
https://nanohub.org/resources/7820
-
ECE 656 Lecture 25: Phonon Scattering III
13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Review POP and IV scattering Scattering in common semiconductors Electron-electron scattering Summary
https://nanohub.org/resources/7813
-
ECE 656 Lecture 24: Phonon Scattering II
13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Review Energy-momentum conservation Mathematical formulation Example Summary
https://nanohub.org/resources/7806
-
ECE 656 Lecture 23: Phonon Scattering I
10 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: About phonons Electron-phonon coupling Energy-momentum conservation Summary
https://nanohub.org/resources/7780
-
ECE 656 Lecture 16: Solving the BTE: Magnetic Fields
09 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: General solution Current equation Coupled current equations Example Summary
https://nanohub.org/resources/7508
-
ECE 656 Lecture 22: Charged Impurity Scattering
06 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Online: Review Screening Brooks-Herring approach Conwell-Weisskopf approach Discussion Summary / Questions
https://nanohub.org/resources/7764
-
ECE 656 Lecture 18: Strong Magnetic Fields
05 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline Magnetoconductivity tensor Resistivity tensor Strong B-fields: Landau levels Shubnikov-DeHaas Oscillations and QHE Summary
https://nanohub.org/resources/7693
-
ECE 656 Lecture 19: Characteristic Times
05 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Characteristic times Relaxation Time Approximation and τr
https://nanohub.org/resources/7741
-
ECE 656 Lecture 20: Transmission and Backscattering
05 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Transmission and mfp MFP and carrrier scattering Extracting mean-free-paths from experiments
https://nanohub.org/resources/7748
-
ECE 656 Lecture 21: Scattering and Fermi's Golden Rule
05 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Fermi’s Golden Rule Example: static potential Example: oscillating potential Discussion Summary
https://nanohub.org/resources/7755
-
ECE 656 Exam 1 (Fall 2009)
08 Oct 2009 | Teaching Materials | Contributor(s): Mark Lundstrom
https://nanohub.org/resources/7561
-
ECE 656 Lecture 14: Solving the BTE: 1D/RTA
07 Oct 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: The RTA Solving the BTE: drift Solving the BTE: diffusion Energy-dependent scattering time Relation to Landauer Discussion Summary
https://nanohub.org/resources/7506
-
ECE 656 Lecture 11: Discussion
07 Oct 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: P-type conductors and thermoelectrics ZT figure of merit Maximizing the “power factor” TE parameters for non-degenerate semiconductor
https://nanohub.org/resources/7395
-
ECE 656 Lecture 15: Solving the BTE - General Solution for B = 0
06 Oct 2009 | Online Presentations | Contributor(s): Mark Lundstrom
General solution 2) Current equation 3) Coupled current equations 4) The RTA 5) Summary
https://nanohub.org/resources/7507
-
ECE 656 Lecture 17: BTE and Landauer
02 Oct 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: BTE review Transport Distribution Connection to Landauer Modes Mean-free-path Summary This lecture is based on a recent paper, "On Landauer vs. Boltzmann and Full Band vs. …
https://nanohub.org/resources/7509
-
ECE 656 Lecture 10: The Drift-Diffusion Equation
30 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Transport in the bulk The DD equation Indicial notation DD equation with B-field
https://nanohub.org/resources/7394
-
ECE 656 Lecture 9: Coupled Current Equations
28 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Onsager relations Measurement considerations Thermoelectric devices
https://nanohub.org/resources/7371
-
ECE 656 Lecture 8: Thermoelectric Effects
27 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Introduction One energy level formulation Distribution of energy levels Discussion Summary The author would like to thank Ms. Raseong Kim and Mr. Changwook Jeong for their many …
https://nanohub.org/resources/7370
-
ECE 656 Lecture 7: 2 and 3D Resistors
27 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom
Outline: Another view of the same problem 2D resistors Discussion 3D resistors Summary
https://nanohub.org/resources/7369