Tags: Charge Transport

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  1. ECE 656 Lecture 33: Non-Local Transport

    25 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Review of high-field transportMC simulation of high-field transportVelocity overshootSummary

  2. ECE 656 Lecture 29: Balance Equation Approach II

    24 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Quick reviewEnergy balance equationEnergy flux balance equationTerminating the hierarchySummary

  3. ECE 656 Lecture 28: Balance Equation Approach I

    13 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionGeneral continuity equationCarrier continuity equationCurrent equationSummary

  4. ECE 656 Lecture 27: Scattering of Bloch Electrons

    13 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Umklapp processesOverlap integralsADP Scattering in graphene

  5. ECE 656 Lecture 26: Mobility in 3D, 2D, and 1D

    13 Nov 2009 | | 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 in 3D, 2D, and 1D.Outline:Review of ADP Scattering in 3DADP Scattering in 2D: MCAADP Scattering in 2D:...

  6. ECE 656 Lecture 25: Phonon Scattering III

    13 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:ReviewPOP and IV scatteringScattering in common semiconductorsElectron-electron scatteringSummary

  7. ECE 656 Lecture 24: Phonon Scattering II

    13 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Review Energy-momentum conservationMathematical formulationExampleSummary

  8. ECE 656 Lecture 23: Phonon Scattering I

    10 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:About phononsElectron-phonon couplingEnergy-momentum conservationSummary

  9. ECE 656 Lecture 16: Solving the BTE: Magnetic Fields

    09 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:General solutionCurrent equationCoupled current equationsExampleSummary

  10. Nikhil Raman

    I am an undergraduate at the University of Illinois at Urbana - Champaign. I am currently working on a research team under Prof. Ravaioli.We work to model electronic band structures of various...

    http://nanohub.org/members/39492

  11. ECE 656 Lecture 22: Charged Impurity Scattering

    06 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Online:ReviewScreeningBrooks-Herring approachConwell-Weisskopf approachDiscussionSummary / Questions

  12. ECE 656 Lecture 18: Strong Magnetic Fields

    05 Nov 2009 | | Contributor(s):: Mark Lundstrom

    OutlineMagnetoconductivity tensorResistivity tensorStrong B-fields: Landau levelsShubnikov-DeHaas Oscillations and QHESummary

  13. ECE 656 Lecture 19: Characteristic Times

    05 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Characteristic timesRelaxation Time Approximation and τr

  14. ECE 656 Lecture 20: Transmission and Backscattering

    05 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Transmission and mfpMFP and carrrier scatteringExtracting mean-free-paths from experiments

  15. ECE 656 Lecture 21: Scattering and Fermi's Golden Rule

    05 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Fermi’s Golden RuleExample: static potentialExample: oscillating potentialDiscussionSummary

  16. ECE 656 Exam 1 (Fall 2009)

    08 Oct 2009 | | Contributor(s):: Mark Lundstrom

  17. ECE 656 Lecture 14: Solving the BTE: 1D/RTA

    07 Oct 2009 | | Contributor(s):: Mark Lundstrom

    Outline:The RTA Solving the BTE: driftSolving the BTE: diffusionEnergy-dependent scattering timeRelation to LandauerDiscussionSummary

  18. ECE 656 Lecture 11: Discussion

    07 Oct 2009 | | Contributor(s):: Mark Lundstrom

    Outline:P-type conductors and thermoelectricsZT figure of meritMaximizing the “power factor”TE parameters for non-degenerate semiconductor

  19. ECE 656 Lecture 15: Solving the BTE - General Solution for B = 0

    06 Oct 2009 | | Contributor(s):: Mark Lundstrom

    General solution 2) Current equation 3) Coupled current equations 4) The RTA 5) Summary

  20. ECE 656 Lecture 17: BTE and Landauer

    02 Oct 2009 | | Contributor(s):: Mark Lundstrom

    Outline:BTE reviewTransport DistributionConnection to LandauerModesMean-free-pathSummary