Tags: nanotransistors

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A nanotransistor is a transistor whose dimensions are measured in nanometers. Transistors are used for switching and amplifying electronic signals. When combined in the millions and billions, they can be used to create sophisticated programmable information processors.

 

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  1. ECE 656 Lecture 28: Balance Equation Approach I

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

    Outline:IntroductionGeneral continuity equationCarrier continuity equationCurrent equationSummary

  2. ECE 656 Lecture 27: Scattering of Bloch Electrons

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

    Outline:Umklapp processesOverlap integralsADP Scattering in graphene

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

    Online Presentations | 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:...

  4. ECE 656 Lecture 25: Phonon Scattering III

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

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

  5. ECE 656 Lecture 24: Phonon Scattering II

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

    Outline:Review Energy-momentum conservationMathematical formulationExampleSummary

  6. ECE 656 Lecture 23: Phonon Scattering I

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

    Outline:About phononsElectron-phonon couplingEnergy-momentum conservationSummary

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

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

    Outline:General solutionCurrent equationCoupled current equationsExampleSummary

  8. ECE 656 Lecture 22: Charged Impurity Scattering

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

    Online:ReviewScreeningBrooks-Herring approachConwell-Weisskopf approachDiscussionSummary / Questions

  9. ECE 656 Lecture 18: Strong Magnetic Fields

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

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

  10. ECE 656 Lecture 19: Characteristic Times

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

    Outline:Characteristic timesRelaxation Time Approximation and τr

  11. ECE 656 Lecture 20: Transmission and Backscattering

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

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

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

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

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

  13. ECE 656 Exam 1 (Fall 2009)

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

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

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

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

  15. ECE 656 Lecture 11: Discussion

    Online Presentations | 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

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

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

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

  17. ECE 656 Lecture 17: BTE and Landauer

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

    Outline:BTE reviewTransport DistributionConnection to LandauerModesMean-free-pathSummary

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

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

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

  19. ECE 656 Lecture 9: Coupled Current Equations

    Online Presentations | 28 Sep 2009 | Contributor(s):: Mark Lundstrom

    Outline:Onsager relationsMeasurement considerationsThermoelectric devices

  20. ECE 656 Lecture 8: Thermoelectric Effects

    Online Presentations | 27 Sep 2009 | Contributor(s):: Mark Lundstrom

    Outline:IntroductionOne energy level formulationDistribution of energy levelsDiscussionSummary