Tags: Charge Transport

Online Presentations (1-20 of 85)

  1. ECE 656 Introductory Lecture

    26 Aug 2009 | | Contributor(s):: Mark Lundstrom

  2. ECE 656 Lecture 10: Thermoelectric Effects - (Electronic) Heat Flow

    26 Sep 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionHeat transport by current flowMathematical formulationDiscussionSummary

  3. ECE 656 Lecture 10: The Drift-Diffusion Equation

    30 Sep 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Transport in the bulkThe DD equationIndicial notationDD equation with B-field

  4. ECE 656 Lecture 11: Coupled Current Equations and Thermoelectric Devices

    23 Sep 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionCoupled flow equationsThermoelectric devicesDiscussionSummary

  5. 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

  6. ECE 656 Lecture 12: Boltzmann Transport Equation

    18 Sep 2009 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionSemi-classical electron dynamics Boltzmann Transport Equation (BTE) ScatteringDiscussionSummary

  7. ECE 656 Lecture 12: Scattering and Transmission

    30 Sep 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionPhysics of carrier scatteringTransmission and mfpMFP and scatteringDiscussionSummary

  8. ECE 656 Lecture 13: Phonon Transport

    05 Oct 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionElectrons and PhononsGeneral model for heat conductionThermal conductivityDebye modelScatteringDiscussionSummary

  9. ECE 656 Lecture 13: Solving the BTE: equilibrium and ballistic

    22 Sep 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Quick reviewEquilibrium BTEBallistic BTEDiscussionSummary

  10. 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

  11. ECE 656 Lecture 14: The Boltzmann Transport Equation

    14 Oct 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionEquation of motionThe BTESolving the s.s. BTEDiscussionSummary

  12. 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

  13. ECE 656 Lecture 15: The BTE - Transport Coefficients

    18 Oct 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionConductivityDrift currentDiffusion currentDiscussionSummary

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

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

    Outline:General solutionCurrent equationCoupled current equationsExampleSummary

  15. ECE 656 Lecture 16: The BTE - with B-Fields

    20 Oct 2011 | | Contributor(s):: Mark Lundstrom

    Outline:ReviewB-fieldsHall effectLarge B-fieldsSummary

  16. ECE 656 Lecture 17: BTE and Landauer

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

    Outline:BTE reviewTransport DistributionConnection to LandauerModesMean-free-pathSummary

  17. ECE 656 Lecture 17: Near-Equilibrium Measurements I

    01 Nov 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionResistivity / conductivity measurementsHall effect measurementsThe van der Pauw methodSummary

  18. ECE 656 Lecture 18: Near-Equilibrium Measurements II

    01 Nov 2011 | | Contributor(s):: Mark Lundstrom

    Outline:ReviewThe van der Pauw methodTemperature-dependent measurementsErrors in Hall effect measurementsGraphene: a case studySummary

  19. 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

  20. ECE 656 Lecture 19: Characteristic Times

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

    Outline:Characteristic timesRelaxation Time Approximation and τr